./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test9-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) 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_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/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_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test9-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-MemCleanup-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 50ec0e1b32f61b9ee697cf2c7598d178ee7b7b08e68108a0f594c4a6a80ab80c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:13:01,259 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:13:01,323 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2023-12-03 00:13:01,328 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 00:13:01,328 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 00:13:01,350 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:13:01,352 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:13:01,352 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:13:01,353 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:13:01,353 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:13:01,354 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 00:13:01,354 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 00:13:01,355 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 00:13:01,355 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:13:01,356 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:13:01,356 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-12-03 00:13:01,357 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-12-03 00:13:01,357 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:13:01,358 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:13:01,358 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 00:13:01,359 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 00:13:01,359 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:13:01,360 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:13:01,360 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:13:01,361 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:13:01,361 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:13:01,361 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:13:01,362 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:13:01,362 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:13:01,363 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:13:01,363 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 00:13:01,364 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 00:13:01,364 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_3525b7f9-1a44-488f-ae96-5cb2c3de874a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 50ec0e1b32f61b9ee697cf2c7598d178ee7b7b08e68108a0f594c4a6a80ab80c [2023-12-03 00:13:01,571 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:13:01,592 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:13:01,595 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:13:01,596 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:13:01,596 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:13:01,597 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test9-2.i [2023-12-03 00:13:04,320 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:13:04,650 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:13:04,651 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test9-2.i [2023-12-03 00:13:04,671 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/data/5aa3537b1/2a5b9959a3594b7d88ef683009dbb51e/FLAGb81299187 [2023-12-03 00:13:04,685 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/data/5aa3537b1/2a5b9959a3594b7d88ef683009dbb51e [2023-12-03 00:13:04,688 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:13:04,689 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:13:04,690 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:13:04,690 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:13:04,695 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:13:04,696 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:13:04" (1/1) ... [2023-12-03 00:13:04,697 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e184b49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:13:04, skipping insertion in model container [2023-12-03 00:13:04,697 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:13:04" (1/1) ... [2023-12-03 00:13:04,781 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:13:05,467 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:13:05,478 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:13:05,677 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:13:05,706 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:13:05,713 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:13:05,714 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:13:05 WrapperNode [2023-12-03 00:13:05,714 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:13:05,715 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:13:05,715 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:13:05,715 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:13:05,722 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:13:05" (1/1) ... [2023-12-03 00:13:05,761 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:13:05" (1/1) ... [2023-12-03 00:13:05,902 INFO L138 Inliner]: procedures = 177, calls = 783, calls flagged for inlining = 508, calls inlined = 1007, statements flattened = 6370 [2023-12-03 00:13:05,903 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:13:05,904 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:13:05,904 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:13:05,904 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:13:05,913 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:13:05" (1/1) ... [2023-12-03 00:13:05,913 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:13:05" (1/1) ... [2023-12-03 00:13:05,929 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:13:05" (1/1) ... [2023-12-03 00:13:05,929 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:13:05" (1/1) ... [2023-12-03 00:13:06,057 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:13:05" (1/1) ... [2023-12-03 00:13:06,107 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:13:05" (1/1) ... [2023-12-03 00:13:06,126 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:13:05" (1/1) ... [2023-12-03 00:13:06,142 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:13:05" (1/1) ... [2023-12-03 00:13:06,213 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:13:06,214 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:13:06,214 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:13:06,215 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:13:06,216 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:13:05" (1/1) ... [2023-12-03 00:13:06,222 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:13:06,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:13:06,246 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:13:06,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:13:06,281 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 00:13:06,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 00:13:06,281 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 00:13:06,281 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:13:06,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 00:13:06,281 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 00:13:06,282 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-12-03 00:13:06,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 00:13:06,282 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 00:13:06,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 00:13:06,282 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:13:06,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:13:06,480 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:13:06,483 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:13:10,632 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:13:12,966 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:13:12,966 INFO L309 CfgBuilder]: Removed 63 assume(true) statements. [2023-12-03 00:13:12,969 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:13:12 BoogieIcfgContainer [2023-12-03 00:13:12,970 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:13:12,971 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:13:12,971 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:13:12,981 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:13:12,981 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:13:12" (1/1) ... [2023-12-03 00:13:12,990 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:13:13,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:13:13,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5195 states to 3613 states and 5195 transitions. [2023-12-03 00:13:13,104 INFO L276 IsEmpty]: Start isEmpty. Operand 3613 states and 5195 transitions. [2023-12-03 00:13:13,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 00:13:13,106 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:13:13,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:13:13,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:13:13,291 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 00:13:13,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:13:13,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5193 states to 3613 states and 5193 transitions. [2023-12-03 00:13:13,349 INFO L276 IsEmpty]: Start isEmpty. Operand 3613 states and 5193 transitions. [2023-12-03 00:13:13,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 00:13:13,350 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:13:13,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:13:13,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:13:13,514 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 00:13:13,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:13:13,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5196 states to 3615 states and 5196 transitions. [2023-12-03 00:13:13,582 INFO L276 IsEmpty]: Start isEmpty. Operand 3615 states and 5196 transitions. [2023-12-03 00:13:13,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 00:13:13,583 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:13:13,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:13:13,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:13:13,687 INFO L262 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:13:13,692 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:13:13,700 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:13:13,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:13:13,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5194 states to 3615 states and 5194 transitions. [2023-12-03 00:13:13,729 INFO L276 IsEmpty]: Start isEmpty. Operand 3615 states and 5194 transitions. [2023-12-03 00:13:13,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 00:13:13,730 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:13:13,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:13:13,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:13:13,826 INFO L262 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:13:13,828 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:13:13,831 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:13:13,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:13:13,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5190 states to 3615 states and 5190 transitions. [2023-12-03 00:13:13,861 INFO L276 IsEmpty]: Start isEmpty. Operand 3615 states and 5190 transitions. [2023-12-03 00:13:13,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 00:13:13,863 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:13:13,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:13:13,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:13:13,956 INFO L262 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:13:13,959 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:13:13,962 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:13:13,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:13:13,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5184 states to 3615 states and 5184 transitions. [2023-12-03 00:13:13,992 INFO L276 IsEmpty]: Start isEmpty. Operand 3615 states and 5184 transitions. [2023-12-03 00:13:13,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-03 00:13:13,993 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:13:13,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:13:14,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:13:14,170 INFO L262 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:13:14,173 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:13:14,176 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:13:24,200 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:13:24,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:13:24,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5178 states to 3615 states and 5178 transitions. [2023-12-03 00:13:24,282 INFO L276 IsEmpty]: Start isEmpty. Operand 3615 states and 5178 transitions. [2023-12-03 00:13:24,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-12-03 00:13:24,283 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:13:24,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:13:24,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:13:24,534 INFO L262 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:13:24,538 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:13:24,630 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:13:34,880 WARN L539 Checker$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 00:13:44,904 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:13:54,932 WARN L539 Checker$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 00:14:04,967 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 00:14:05,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:14:05,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5193 states to 3628 states and 5193 transitions. [2023-12-03 00:14:05,029 INFO L276 IsEmpty]: Start isEmpty. Operand 3628 states and 5193 transitions. [2023-12-03 00:14:05,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-12-03 00:14:05,030 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:14:05,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:14:05,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:14:05,212 INFO L262 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:14:05,216 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:14:05,219 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:14:05,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:14:05,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5191 states to 3628 states and 5191 transitions. [2023-12-03 00:14:05,248 INFO L276 IsEmpty]: Start isEmpty. Operand 3628 states and 5191 transitions. [2023-12-03 00:14:05,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-03 00:14:05,249 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:14:05,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:14:05,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:14:05,428 INFO L262 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:14:05,431 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:14:05,434 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:14:05,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:14:05,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5189 states to 3628 states and 5189 transitions. [2023-12-03 00:14:05,454 INFO L276 IsEmpty]: Start isEmpty. Operand 3628 states and 5189 transitions. [2023-12-03 00:14:05,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-03 00:14:05,455 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:14:05,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:14:05,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:14:05,685 INFO L262 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:14:05,688 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:14:05,692 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 00:14:15,703 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 00:14:15,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:14:15,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5187 states to 3628 states and 5187 transitions. [2023-12-03 00:14:15,743 INFO L276 IsEmpty]: Start isEmpty. Operand 3628 states and 5187 transitions. [2023-12-03 00:14:15,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-03 00:14:15,743 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:14:15,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:14:15,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:14:15,996 INFO L262 TraceCheckSpWp]: Trace formula consists of 374 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:14:15,998 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:14:16,114 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:14:26,130 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:14:36,160 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:14:46,191 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:14:56,219 WARN L539 Checker$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 00:14:56,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:14:56,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5189 states to 3631 states and 5189 transitions. [2023-12-03 00:14:56,275 INFO L276 IsEmpty]: Start isEmpty. Operand 3631 states and 5189 transitions. [2023-12-03 00:14:56,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-03 00:14:56,275 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:14:56,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:14:56,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:14:56,581 INFO L262 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 00:14:56,584 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:14:56,701 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:15:06,843 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:15:16,878 WARN L539 Checker$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 00:15:26,912 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:15:36,945 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:15:37,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:15:37,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5236 states to 3666 states and 5236 transitions. [2023-12-03 00:15:37,646 INFO L276 IsEmpty]: Start isEmpty. Operand 3666 states and 5236 transitions. [2023-12-03 00:15:37,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-03 00:15:37,647 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:15:37,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:15:37,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:15:37,948 INFO L262 TraceCheckSpWp]: Trace formula consists of 469 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:15:37,951 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:15:37,955 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 00:15:37,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:15:37,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5231 states to 3665 states and 5231 transitions. [2023-12-03 00:15:37,983 INFO L276 IsEmpty]: Start isEmpty. Operand 3665 states and 5231 transitions. [2023-12-03 00:15:37,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-03 00:15:37,984 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:15:37,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:15:38,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:15:38,278 INFO L262 TraceCheckSpWp]: Trace formula consists of 487 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:15:38,280 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:15:38,284 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 00:15:38,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:15:38,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5229 states to 3665 states and 5229 transitions. [2023-12-03 00:15:38,314 INFO L276 IsEmpty]: Start isEmpty. Operand 3665 states and 5229 transitions. [2023-12-03 00:15:38,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 00:15:38,315 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:15:38,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:15:38,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:15:38,660 INFO L262 TraceCheckSpWp]: Trace formula consists of 500 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 00:15:38,664 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:15:38,743 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:15:48,808 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:15:58,851 WARN L539 Checker$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 00:16:08,874 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:16:18,904 WARN L539 Checker$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 00:16:18,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:16:18,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5210 states to 3650 states and 5210 transitions. [2023-12-03 00:16:18,968 INFO L276 IsEmpty]: Start isEmpty. Operand 3650 states and 5210 transitions. [2023-12-03 00:16:18,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 00:16:18,968 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:16:18,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:16:19,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:16:19,243 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:16:19,245 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:16:19,249 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:16:19,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:16:19,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5208 states to 3650 states and 5208 transitions. [2023-12-03 00:16:19,394 INFO L276 IsEmpty]: Start isEmpty. Operand 3650 states and 5208 transitions. [2023-12-03 00:16:19,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 00:16:19,394 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:16:19,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:16:19,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:16:19,652 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:16:19,654 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:16:19,657 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 00:16:19,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:16:19,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5204 states to 3650 states and 5204 transitions. [2023-12-03 00:16:19,675 INFO L276 IsEmpty]: Start isEmpty. Operand 3650 states and 5204 transitions. [2023-12-03 00:16:19,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-03 00:16:19,675 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:16:19,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:16:19,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:16:19,925 INFO L262 TraceCheckSpWp]: Trace formula consists of 508 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:16:19,928 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:16:19,968 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-03 00:16:19,994 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-12-03 00:16:20,019 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 00:16:20,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:16:20,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5207 states to 3652 states and 5207 transitions. [2023-12-03 00:16:20,281 INFO L276 IsEmpty]: Start isEmpty. Operand 3652 states and 5207 transitions. [2023-12-03 00:16:20,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 00:16:20,281 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:16:20,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:16:20,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:16:20,612 INFO L262 TraceCheckSpWp]: Trace formula consists of 628 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:16:20,615 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:16:20,617 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:16:20,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:16:20,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5206 states to 3652 states and 5206 transitions. [2023-12-03 00:16:20,672 INFO L276 IsEmpty]: Start isEmpty. Operand 3652 states and 5206 transitions. [2023-12-03 00:16:20,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:16:20,673 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:16:20,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:16:21,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:16:21,007 INFO L262 TraceCheckSpWp]: Trace formula consists of 634 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 00:16:21,009 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:16:21,067 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:16:21,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:16:21,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5216 states to 3660 states and 5216 transitions. [2023-12-03 00:16:21,687 INFO L276 IsEmpty]: Start isEmpty. Operand 3660 states and 5216 transitions. [2023-12-03 00:16:21,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 00:16:21,688 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:16:21,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:16:21,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:16:21,912 INFO L262 TraceCheckSpWp]: Trace formula consists of 483 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:16:21,914 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:16:21,916 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 00:16:21,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:16:21,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5214 states to 3660 states and 5214 transitions. [2023-12-03 00:16:21,928 INFO L276 IsEmpty]: Start isEmpty. Operand 3660 states and 5214 transitions. [2023-12-03 00:16:21,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-12-03 00:16:21,929 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:16:21,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:16:22,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:16:22,230 INFO L262 TraceCheckSpWp]: Trace formula consists of 651 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 00:16:22,233 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:16:22,295 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 00:16:23,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:16:23,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5216 states to 3661 states and 5216 transitions. [2023-12-03 00:16:23,092 INFO L276 IsEmpty]: Start isEmpty. Operand 3661 states and 5216 transitions. [2023-12-03 00:16:23,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 00:16:23,093 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:16:23,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:16:23,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:16:23,354 INFO L262 TraceCheckSpWp]: Trace formula consists of 520 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:16:23,357 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:16:23,359 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 00:16:33,383 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 00:16:33,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:16:33,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5214 states to 3661 states and 5214 transitions. [2023-12-03 00:16:33,421 INFO L276 IsEmpty]: Start isEmpty. Operand 3661 states and 5214 transitions. [2023-12-03 00:16:33,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-12-03 00:16:33,421 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:16:33,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:16:33,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:16:33,825 INFO L262 TraceCheckSpWp]: Trace formula consists of 738 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:16:33,828 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:16:33,832 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:16:33,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:16:33,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5212 states to 3661 states and 5212 transitions. [2023-12-03 00:16:33,857 INFO L276 IsEmpty]: Start isEmpty. Operand 3661 states and 5212 transitions. [2023-12-03 00:16:33,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-12-03 00:16:33,858 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:16:33,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:16:34,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:16:34,182 INFO L262 TraceCheckSpWp]: Trace formula consists of 529 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:16:34,185 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:16:34,256 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:16:44,294 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 00:16:54,340 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:17:04,371 WARN L539 Checker$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 00:17:14,422 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 00:17:14,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:17:14,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5225 states to 3672 states and 5225 transitions. [2023-12-03 00:17:14,462 INFO L276 IsEmpty]: Start isEmpty. Operand 3672 states and 5225 transitions. [2023-12-03 00:17:14,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 00:17:14,462 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:17:14,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:17:14,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:17:14,923 INFO L262 TraceCheckSpWp]: Trace formula consists of 739 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 00:17:14,925 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:17:15,045 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 00:17:16,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:17:16,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5227 states to 3675 states and 5227 transitions. [2023-12-03 00:17:16,633 INFO L276 IsEmpty]: Start isEmpty. Operand 3675 states and 5227 transitions. [2023-12-03 00:17:16,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-03 00:17:16,634 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:17:16,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:17:16,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:17:16,942 INFO L262 TraceCheckSpWp]: Trace formula consists of 529 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:17:16,944 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:17:16,947 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 00:17:16,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:17:16,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5223 states to 3675 states and 5223 transitions. [2023-12-03 00:17:16,968 INFO L276 IsEmpty]: Start isEmpty. Operand 3675 states and 5223 transitions. [2023-12-03 00:17:16,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-03 00:17:16,969 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:17:16,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:17:17,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:17:17,281 INFO L262 TraceCheckSpWp]: Trace formula consists of 543 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:17:17,283 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:17:17,285 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 00:17:27,301 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 00:17:27,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:17:27,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5221 states to 3675 states and 5221 transitions. [2023-12-03 00:17:27,344 INFO L276 IsEmpty]: Start isEmpty. Operand 3675 states and 5221 transitions. [2023-12-03 00:17:27,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-03 00:17:27,344 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:17:27,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:17:27,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:17:27,650 INFO L262 TraceCheckSpWp]: Trace formula consists of 552 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:17:27,652 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:17:27,728 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:17:37,750 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:17:47,794 WARN L539 Checker$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 00:17:57,834 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:18:07,864 WARN L539 Checker$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 00:18:07,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:18:07,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5223 states to 3678 states and 5223 transitions. [2023-12-03 00:18:07,899 INFO L276 IsEmpty]: Start isEmpty. Operand 3678 states and 5223 transitions. [2023-12-03 00:18:07,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-03 00:18:07,900 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:18:07,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:18:18,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-03 00:18:18,240 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 00:18:18,243 INFO L158 Benchmark]: Toolchain (without parser) took 313553.96ms. Allocated memory was 165.7MB in the beginning and 547.4MB in the end (delta: 381.7MB). Free memory was 115.0MB in the beginning and 404.3MB in the end (delta: -289.3MB). Peak memory consumption was 95.2MB. Max. memory is 16.1GB. [2023-12-03 00:18:18,243 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 98.6MB. Free memory is still 52.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:18:18,244 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1024.21ms. Allocated memory is still 165.7MB. Free memory was 115.0MB in the beginning and 111.7MB in the end (delta: 3.4MB). Peak memory consumption was 48.4MB. Max. memory is 16.1GB. [2023-12-03 00:18:18,244 INFO L158 Benchmark]: Boogie Procedure Inliner took 187.90ms. Allocated memory is still 165.7MB. Free memory was 111.7MB in the beginning and 81.6MB in the end (delta: 30.1MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-12-03 00:18:18,245 INFO L158 Benchmark]: Boogie Preprocessor took 309.85ms. Allocated memory was 165.7MB in the beginning and 239.1MB in the end (delta: 73.4MB). Free memory was 81.6MB in the beginning and 178.7MB in the end (delta: -97.0MB). Peak memory consumption was 50.2MB. Max. memory is 16.1GB. [2023-12-03 00:18:18,246 INFO L158 Benchmark]: RCFGBuilder took 6755.43ms. Allocated memory was 239.1MB in the beginning and 413.1MB in the end (delta: 174.1MB). Free memory was 178.7MB in the beginning and 295.2MB in the end (delta: -116.5MB). Peak memory consumption was 260.9MB. Max. memory is 16.1GB. [2023-12-03 00:18:18,247 INFO L158 Benchmark]: CodeCheck took 305271.84ms. Allocated memory was 413.1MB in the beginning and 547.4MB in the end (delta: 134.2MB). Free memory was 295.2MB in the beginning and 404.3MB in the end (delta: -109.1MB). Peak memory consumption was 26.1MB. Max. memory is 16.1GB. [2023-12-03 00:18:18,250 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 98.6MB. Free memory is still 52.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1024.21ms. Allocated memory is still 165.7MB. Free memory was 115.0MB in the beginning and 111.7MB in the end (delta: 3.4MB). Peak memory consumption was 48.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 187.90ms. Allocated memory is still 165.7MB. Free memory was 111.7MB in the beginning and 81.6MB in the end (delta: 30.1MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 309.85ms. Allocated memory was 165.7MB in the beginning and 239.1MB in the end (delta: 73.4MB). Free memory was 81.6MB in the beginning and 178.7MB in the end (delta: -97.0MB). Peak memory consumption was 50.2MB. Max. memory is 16.1GB. * RCFGBuilder took 6755.43ms. Allocated memory was 239.1MB in the beginning and 413.1MB in the end (delta: 174.1MB). Free memory was 178.7MB in the beginning and 295.2MB in the end (delta: -116.5MB). Peak memory consumption was 260.9MB. Max. memory is 16.1GB. * CodeCheck took 305271.84ms. Allocated memory was 413.1MB in the beginning and 547.4MB in the end (delta: 134.2MB). Free memory was 295.2MB in the beginning and 404.3MB in the end (delta: -109.1MB). Peak memory consumption was 26.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 00:18:18,443 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/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_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test9-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-MemCleanup-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 50ec0e1b32f61b9ee697cf2c7598d178ee7b7b08e68108a0f594c4a6a80ab80c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:18:20,533 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:18:20,645 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-MemCleanup-32bit-Kojak_Bitvector.epf [2023-12-03 00:18:20,687 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:18:20,689 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:18:20,689 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:18:20,690 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:18:20,691 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:18:20,692 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 00:18:20,693 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 00:18:20,693 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 00:18:20,694 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:18:20,695 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:18:20,695 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-12-03 00:18:20,696 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-12-03 00:18:20,697 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:18:20,698 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:18:20,698 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 00:18:20,699 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 00:18:20,700 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 00:18:20,701 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 00:18:20,701 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 00:18:20,702 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:18:20,703 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:18:20,703 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:18:20,704 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:18:20,704 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:18:20,705 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 00:18:20,706 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 00:18:20,706 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:18:20,707 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:18:20,707 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:18:20,708 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:18:20,708 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 00:18:20,709 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 00:18:20,709 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 00:18:20,709 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 00:18:20,710 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_3525b7f9-1a44-488f-ae96-5cb2c3de874a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 50ec0e1b32f61b9ee697cf2c7598d178ee7b7b08e68108a0f594c4a6a80ab80c [2023-12-03 00:18:21,070 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:18:21,094 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:18:21,098 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:18:21,100 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:18:21,100 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:18:21,102 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test9-2.i [2023-12-03 00:18:24,325 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:18:24,708 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:18:24,709 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test9-2.i [2023-12-03 00:18:24,737 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/data/7043a6151/b136c0d6e1ae4a1898cb68d1322af00f/FLAGf4a74c02a [2023-12-03 00:18:24,752 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/data/7043a6151/b136c0d6e1ae4a1898cb68d1322af00f [2023-12-03 00:18:24,754 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:18:24,756 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:18:24,757 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:18:24,758 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:18:24,762 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:18:24,763 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:18:24" (1/1) ... [2023-12-03 00:18:24,765 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79163f5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:18:24, skipping insertion in model container [2023-12-03 00:18:24,765 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:18:24" (1/1) ... [2023-12-03 00:18:24,871 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:18:25,711 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:18:25,727 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-03 00:18:25,743 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:18:25,857 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:18:25,861 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:18:25,978 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:18:26,007 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:18:26,015 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:18:26,015 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:18:26 WrapperNode [2023-12-03 00:18:26,015 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:18:26,016 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:18:26,016 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:18:26,016 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:18:26,022 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:18:26" (1/1) ... [2023-12-03 00:18:26,093 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:18:26" (1/1) ... [2023-12-03 00:18:26,282 INFO L138 Inliner]: procedures = 180, calls = 783, calls flagged for inlining = 508, calls inlined = 1007, statements flattened = 6043 [2023-12-03 00:18:26,282 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:18:26,283 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:18:26,283 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:18:26,283 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:18:26,294 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:18:26" (1/1) ... [2023-12-03 00:18:26,295 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:18:26" (1/1) ... [2023-12-03 00:18:26,323 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:18:26" (1/1) ... [2023-12-03 00:18:26,324 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:18:26" (1/1) ... [2023-12-03 00:18:26,413 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:18:26" (1/1) ... [2023-12-03 00:18:26,506 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:18:26" (1/1) ... [2023-12-03 00:18:26,522 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:18:26" (1/1) ... [2023-12-03 00:18:26,543 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:18:26" (1/1) ... [2023-12-03 00:18:26,575 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:18:26,576 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:18:26,576 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:18:26,576 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:18:26,577 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:18:26" (1/1) ... [2023-12-03 00:18:26,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:18:26,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:18:26,620 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:18:26,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:18:26,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-12-03 00:18:26,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 00:18:26,664 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 00:18:26,664 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:18:26,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 00:18:26,664 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 00:18:26,665 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-12-03 00:18:26,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 00:18:26,665 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 00:18:26,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 00:18:26,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 00:18:26,666 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:18:26,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:18:26,927 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:18:26,930 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:18:47,136 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:18:47,843 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:18:47,843 INFO L309 CfgBuilder]: Removed 63 assume(true) statements. [2023-12-03 00:18:47,847 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:18:47 BoogieIcfgContainer [2023-12-03 00:18:47,847 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:18:47,848 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:18:47,849 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:18:47,857 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:18:47,858 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:18:47" (1/1) ... [2023-12-03 00:18:47,867 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:18:47,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:18:47,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5195 states to 3613 states and 5195 transitions. [2023-12-03 00:18:47,991 INFO L276 IsEmpty]: Start isEmpty. Operand 3613 states and 5195 transitions. [2023-12-03 00:18:47,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 00:18:47,994 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:18:47,994 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:18:47,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:18:47,997 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:18:48,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 00:18:48,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:18:48,343 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:18:48,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:18:48,402 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:18:48,406 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:18:48,422 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 00:18:48,428 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 00:18:48,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:18:48,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5193 states to 3613 states and 5193 transitions. [2023-12-03 00:18:48,488 INFO L276 IsEmpty]: Start isEmpty. Operand 3613 states and 5193 transitions. [2023-12-03 00:18:48,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 00:18:48,489 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:18:48,489 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:18:48,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:18:48,490 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:18:48,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 00:18:48,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:18:48,785 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:18:48,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:18:48,854 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-03 00:18:48,857 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:18:48,904 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-03 00:18:48,905 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-03 00:18:48,906 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-03 00:18:48,918 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 39 [2023-12-03 00:18:49,016 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 00:18:49,017 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 70 treesize of output 26 [2023-12-03 00:18:49,040 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 00:18:49,044 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 00:18:49,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:18:49,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5196 states to 3615 states and 5196 transitions. [2023-12-03 00:18:49,711 INFO L276 IsEmpty]: Start isEmpty. Operand 3615 states and 5196 transitions. [2023-12-03 00:18:49,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 00:18:49,712 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:18:49,713 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:18:49,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:18:49,714 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:18:49,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 00:18:50,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:18:50,048 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:18:50,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:18:50,160 INFO L262 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:18:50,162 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:18:50,165 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:18:50,168 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-03 00:18:50,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:18:50,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5194 states to 3615 states and 5194 transitions. [2023-12-03 00:18:50,197 INFO L276 IsEmpty]: Start isEmpty. Operand 3615 states and 5194 transitions. [2023-12-03 00:18:50,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 00:18:50,198 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:18:50,198 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:18:50,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:18:50,200 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:18:50,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 00:18:50,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:18:50,514 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:18:50,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:18:50,617 INFO L262 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:18:50,618 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:18:50,621 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:18:50,624 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-03 00:18:50,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:18:50,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5190 states to 3615 states and 5190 transitions. [2023-12-03 00:18:50,651 INFO L276 IsEmpty]: Start isEmpty. Operand 3615 states and 5190 transitions. [2023-12-03 00:18:50,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 00:18:50,652 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:18:50,653 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:18:50,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:18:50,654 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:18:50,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-03 00:18:50,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:18:51,000 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:18:51,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:18:51,136 INFO L262 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:18:51,139 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:18:51,143 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:18:51,146 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-03 00:18:51,147 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 00:18:51,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:18:51,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5184 states to 3615 states and 5184 transitions. [2023-12-03 00:18:51,172 INFO L276 IsEmpty]: Start isEmpty. Operand 3615 states and 5184 transitions. [2023-12-03 00:18:51,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-03 00:18:51,173 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:18:51,173 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:18:51,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:18:51,175 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:18:51,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-03 00:18:51,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:18:51,494 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:18:51,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:18:51,657 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:18:51,659 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:18:51,662 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:18:51,667 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2023-12-03 00:18:52,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:18:52,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5176 states to 3615 states and 5176 transitions. [2023-12-03 00:18:52,168 INFO L276 IsEmpty]: Start isEmpty. Operand 3615 states and 5176 transitions. [2023-12-03 00:18:52,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-12-03 00:18:52,169 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:18:52,169 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:18:52,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:18:52,170 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:18:52,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-03 00:18:52,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:18:52,583 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:18:52,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:18:52,819 INFO L262 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:18:52,822 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:18:52,980 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:18:52,986 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 00:18:52,986 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-03 00:18:55,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:18:55,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5191 states to 3628 states and 5191 transitions. [2023-12-03 00:18:55,029 INFO L276 IsEmpty]: Start isEmpty. Operand 3628 states and 5191 transitions. [2023-12-03 00:18:55,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-03 00:18:55,030 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:18:55,031 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:18:55,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:18:55,032 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:18:55,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-03 00:18:55,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:18:55,435 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:18:55,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:18:55,635 INFO L262 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:18:55,637 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:18:55,640 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:18:55,644 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-03 00:18:55,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:18:55,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5189 states to 3628 states and 5189 transitions. [2023-12-03 00:18:55,664 INFO L276 IsEmpty]: Start isEmpty. Operand 3628 states and 5189 transitions. [2023-12-03 00:18:55,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-03 00:18:55,665 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:18:55,665 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:18:55,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:18:55,666 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:18:55,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-03 00:18:56,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:18:56,120 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:18:56,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:18:56,375 INFO L262 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:18:56,377 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:18:56,379 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 00:18:56,383 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-03 00:18:56,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:18:56,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5187 states to 3628 states and 5187 transitions. [2023-12-03 00:18:56,399 INFO L276 IsEmpty]: Start isEmpty. Operand 3628 states and 5187 transitions. [2023-12-03 00:18:56,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-03 00:18:56,400 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:18:56,400 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:18:56,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:18:56,401 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:18:56,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-03 00:18:56,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:18:56,835 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:18:57,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:18:57,098 INFO L262 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:18:57,101 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:18:57,242 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:18:57,247 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-03 00:18:57,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:18:57,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5189 states to 3631 states and 5189 transitions. [2023-12-03 00:18:57,274 INFO L276 IsEmpty]: Start isEmpty. Operand 3631 states and 5189 transitions. [2023-12-03 00:18:57,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-03 00:18:57,275 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:18:57,275 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:18:57,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:18:57,276 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:18:57,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-03 00:18:57,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:18:57,836 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:18:58,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:18:58,180 INFO L262 TraceCheckSpWp]: Trace formula consists of 447 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 00:18:58,182 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:18:58,415 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:18:58,421 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-03 00:19:09,791 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 00:19:19,816 WARN L539 Checker$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 00:19:27,825 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 00:19:37,867 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 00:19:40,172 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 00:19:41,393 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 00:19:43,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:19:43,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5236 states to 3666 states and 5236 transitions. [2023-12-03 00:19:43,275 INFO L276 IsEmpty]: Start isEmpty. Operand 3666 states and 5236 transitions. [2023-12-03 00:19:43,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-03 00:19:43,275 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:19:43,276 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:19:43,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:19:43,277 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:19:43,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-03 00:19:43,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:19:43,925 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:19:44,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:19:44,226 INFO L262 TraceCheckSpWp]: Trace formula consists of 443 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:19:44,228 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:19:44,231 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 00:19:44,237 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2023-12-03 00:19:44,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:19:44,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5231 states to 3665 states and 5231 transitions. [2023-12-03 00:19:44,256 INFO L276 IsEmpty]: Start isEmpty. Operand 3665 states and 5231 transitions. [2023-12-03 00:19:44,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-03 00:19:44,257 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:19:44,257 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:19:44,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:19:44,258 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:19:44,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-03 00:19:44,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:19:44,896 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:19:45,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:19:45,190 INFO L262 TraceCheckSpWp]: Trace formula consists of 454 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:19:45,192 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:19:45,195 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 00:19:45,202 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2023-12-03 00:19:45,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:19:45,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5229 states to 3665 states and 5229 transitions. [2023-12-03 00:19:45,233 INFO L276 IsEmpty]: Start isEmpty. Operand 3665 states and 5229 transitions. [2023-12-03 00:19:45,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 00:19:45,234 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:19:45,234 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:19:45,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:19:45,235 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:19:45,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-03 00:19:45,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:19:45,991 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:19:46,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:19:46,302 INFO L262 TraceCheckSpWp]: Trace formula consists of 475 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:19:46,304 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:19:46,306 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:19:46,313 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2023-12-03 00:19:55,789 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 9.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 00:19:55,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:19:55,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5227 states to 3665 states and 5227 transitions. [2023-12-03 00:19:55,835 INFO L276 IsEmpty]: Start isEmpty. Operand 3665 states and 5227 transitions. [2023-12-03 00:19:55,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 00:19:55,836 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:19:55,836 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:19:55,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:19:55,837 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:19:55,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-03 00:19:56,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:19:56,676 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:19:56,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:19:56,997 INFO L262 TraceCheckSpWp]: Trace formula consists of 458 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 00:19:56,999 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:19:57,137 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:19:57,148 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Forceful destruction successful, exit code 0 [2023-12-03 00:19:57,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:19:57,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5208 states to 3650 states and 5208 transitions. [2023-12-03 00:19:57,171 INFO L276 IsEmpty]: Start isEmpty. Operand 3650 states and 5208 transitions. [2023-12-03 00:19:57,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 00:19:57,171 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:19:57,171 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:19:57,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:19:57,172 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:19:57,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-03 00:19:58,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:19:58,037 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:19:58,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:19:58,336 INFO L262 TraceCheckSpWp]: Trace formula consists of 447 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:19:58,338 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:19:58,340 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 00:19:58,349 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2023-12-03 00:19:58,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:19:58,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5204 states to 3650 states and 5204 transitions. [2023-12-03 00:19:58,370 INFO L276 IsEmpty]: Start isEmpty. Operand 3650 states and 5204 transitions. [2023-12-03 00:19:58,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-03 00:19:58,370 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:19:58,370 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:19:58,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:19:58,371 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:19:58,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-03 00:19:59,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:19:59,245 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:19:59,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:19:59,529 INFO L262 TraceCheckSpWp]: Trace formula consists of 467 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:19:59,531 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:19:59,627 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:19:59,638 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2023-12-03 00:20:00,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:20:00,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5205 states to 3651 states and 5205 transitions. [2023-12-03 00:20:00,099 INFO L276 IsEmpty]: Start isEmpty. Operand 3651 states and 5205 transitions. [2023-12-03 00:20:00,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 00:20:00,100 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:20:00,100 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:20:00,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:20:00,101 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:20:00,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-12-03 00:20:00,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:20:00,940 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:20:01,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:20:01,239 INFO L262 TraceCheckSpWp]: Trace formula consists of 478 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:20:01,241 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:20:01,355 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 00:20:01,366 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2023-12-03 00:20:11,852 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 00:20:11,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:20:11,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5206 states to 3652 states and 5206 transitions. [2023-12-03 00:20:11,906 INFO L276 IsEmpty]: Start isEmpty. Operand 3652 states and 5206 transitions. [2023-12-03 00:20:11,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:20:11,907 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:20:11,907 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:20:11,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:20:11,908 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:20:11,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-03 00:20:13,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:20:13,049 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:20:13,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:20:13,403 INFO L262 TraceCheckSpWp]: Trace formula consists of 489 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-03 00:20:13,406 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:20:13,414 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-03 00:20:13,414 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-03 00:20:13,415 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-03 00:20:13,417 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 39 [2023-12-03 00:20:13,453 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 00:20:13,454 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 70 treesize of output 26 [2023-12-03 00:20:13,576 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:20:13,591 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2023-12-03 00:20:14,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:20:14,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5209 states to 3654 states and 5209 transitions. [2023-12-03 00:20:14,332 INFO L276 IsEmpty]: Start isEmpty. Operand 3654 states and 5209 transitions. [2023-12-03 00:20:14,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 00:20:14,332 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:20:14,332 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:20:14,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:20:14,333 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:20:14,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-12-03 00:20:15,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:20:15,324 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:20:15,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:20:15,742 INFO L262 TraceCheckSpWp]: Trace formula consists of 624 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:20:15,744 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:20:15,746 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 00:20:15,763 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Forceful destruction successful, exit code 0 [2023-12-03 00:20:16,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:20:16,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5208 states to 3654 states and 5208 transitions. [2023-12-03 00:20:16,665 INFO L276 IsEmpty]: Start isEmpty. Operand 3654 states and 5208 transitions. [2023-12-03 00:20:16,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 00:20:16,666 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:20:16,666 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:20:16,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:20:16,667 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:20:16,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-12-03 00:20:17,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:20:17,807 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:20:18,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:20:18,215 INFO L262 TraceCheckSpWp]: Trace formula consists of 627 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 00:20:18,217 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:20:18,377 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 00:20:18,393 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2023-12-03 00:20:19,973 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 00:20:21,409 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 00:20:31,876 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 00:20:41,896 WARN L539 Checker$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 00:20:51,927 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 00:21:01,952 WARN L539 Checker$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 00:21:01,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:21:01,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5218 states to 3662 states and 5218 transitions. [2023-12-03 00:21:01,994 INFO L276 IsEmpty]: Start isEmpty. Operand 3662 states and 5218 transitions. [2023-12-03 00:21:01,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-12-03 00:21:01,994 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:21:01,994 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:21:01,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:21:01,995 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:21:01,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-12-03 00:21:03,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:21:03,009 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:21:03,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:21:03,311 INFO L262 TraceCheckSpWp]: Trace formula consists of 475 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:21:03,313 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:21:03,317 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 00:21:03,333 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2023-12-03 00:21:03,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:21:03,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5216 states to 3662 states and 5216 transitions. [2023-12-03 00:21:03,352 INFO L276 IsEmpty]: Start isEmpty. Operand 3662 states and 5216 transitions. [2023-12-03 00:21:03,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 00:21:03,353 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:21:03,353 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:21:03,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:21:03,354 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:21:03,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2023-12-03 00:21:04,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:21:04,606 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:21:05,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:21:05,040 INFO L262 TraceCheckSpWp]: Trace formula consists of 636 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 00:21:05,043 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:21:05,216 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:21:05,232 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2023-12-03 00:21:15,266 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 00:21:25,288 WARN L539 Checker$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 00:21:25,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:21:25,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5218 states to 3663 states and 5218 transitions. [2023-12-03 00:21:25,339 INFO L276 IsEmpty]: Start isEmpty. Operand 3663 states and 5218 transitions. [2023-12-03 00:21:25,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 00:21:25,339 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:21:25,340 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:21:25,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:21:25,341 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:21:25,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2023-12-03 00:21:26,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:21:26,469 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:21:26,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:21:26,740 INFO L262 TraceCheckSpWp]: Trace formula consists of 506 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:21:26,742 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:21:26,744 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 00:21:26,760 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2023-12-03 00:21:26,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:21:26,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5216 states to 3663 states and 5216 transitions. [2023-12-03 00:21:26,807 INFO L276 IsEmpty]: Start isEmpty. Operand 3663 states and 5216 transitions. [2023-12-03 00:21:26,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:21:26,807 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:21:26,807 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:21:26,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:21:26,808 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:21:26,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2023-12-03 00:21:28,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:21:28,007 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:21:28,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:21:28,330 INFO L262 TraceCheckSpWp]: Trace formula consists of 509 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:21:28,331 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:21:28,488 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 00:21:28,506 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2023-12-03 00:21:28,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:21:28,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5229 states to 3674 states and 5229 transitions. [2023-12-03 00:21:28,584 INFO L276 IsEmpty]: Start isEmpty. Operand 3674 states and 5229 transitions. [2023-12-03 00:21:28,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:21:28,585 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:21:28,585 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:21:28,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:21:28,586 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:21:28,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2023-12-03 00:21:29,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:21:29,959 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:21:30,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:21:30,477 INFO L262 TraceCheckSpWp]: Trace formula consists of 723 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:21:30,479 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:21:30,481 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 00:21:30,502 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Forceful destruction successful, exit code 0 [2023-12-03 00:21:30,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:21:30,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5227 states to 3674 states and 5227 transitions. [2023-12-03 00:21:30,519 INFO L276 IsEmpty]: Start isEmpty. Operand 3674 states and 5227 transitions. [2023-12-03 00:21:30,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-03 00:21:30,519 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:21:30,520 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:21:30,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:21:30,521 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:21:30,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2023-12-03 00:21:31,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:21:31,925 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:21:32,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:21:32,448 INFO L262 TraceCheckSpWp]: Trace formula consists of 724 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 00:21:32,449 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:21:32,668 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:21:32,690 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2023-12-03 00:21:42,727 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 00:21:52,747 WARN L539 Checker$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 00:21:52,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:21:52,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5229 states to 3677 states and 5229 transitions. [2023-12-03 00:21:52,791 INFO L276 IsEmpty]: Start isEmpty. Operand 3677 states and 5229 transitions. [2023-12-03 00:21:52,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-03 00:21:52,792 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:21:52,792 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:21:52,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:21:52,793 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:21:52,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2023-12-03 00:21:54,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:21:54,202 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:21:54,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:21:54,556 INFO L262 TraceCheckSpWp]: Trace formula consists of 517 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:21:54,558 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:21:54,560 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:21:54,582 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2023-12-03 00:21:54,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:21:54,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5227 states to 3677 states and 5227 transitions. [2023-12-03 00:21:54,599 INFO L276 IsEmpty]: Start isEmpty. Operand 3677 states and 5227 transitions. [2023-12-03 00:21:54,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-03 00:21:54,600 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:21:54,600 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:21:54,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:21:54,601 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:21:54,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2023-12-03 00:21:55,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:21:55,889 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:21:56,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:21:56,232 INFO L262 TraceCheckSpWp]: Trace formula consists of 511 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:21:56,234 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:21:56,236 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 00:21:56,260 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2023-12-03 00:21:56,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:21:56,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5223 states to 3677 states and 5223 transitions. [2023-12-03 00:21:56,278 INFO L276 IsEmpty]: Start isEmpty. Operand 3677 states and 5223 transitions. [2023-12-03 00:21:56,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-03 00:21:56,279 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:21:56,279 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:21:56,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:21:56,280 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:21:56,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2023-12-03 00:21:57,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:21:57,581 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:21:57,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:21:57,947 INFO L262 TraceCheckSpWp]: Trace formula consists of 520 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:21:57,949 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:21:58,175 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 00:21:58,199 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2023-12-03 00:21:58,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:21:58,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5225 states to 3680 states and 5225 transitions. [2023-12-03 00:21:58,222 INFO L276 IsEmpty]: Start isEmpty. Operand 3680 states and 5225 transitions. [2023-12-03 00:21:58,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-12-03 00:21:58,222 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:21:58,223 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:21:58,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:21:58,224 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:21:58,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2023-12-03 00:21:59,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:21:59,972 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:22:00,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:22:00,315 INFO L262 TraceCheckSpWp]: Trace formula consists of 525 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 00:22:00,317 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:22:00,484 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:22:00,515 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2023-12-03 00:22:01,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:22:01,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5223 states to 3681 states and 5223 transitions. [2023-12-03 00:22:01,428 INFO L276 IsEmpty]: Start isEmpty. Operand 3681 states and 5223 transitions. [2023-12-03 00:22:01,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-03 00:22:01,428 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:22:01,428 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:22:01,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:22:01,429 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:22:01,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2023-12-03 00:22:03,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:22:03,165 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:22:03,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:22:03,542 INFO L262 TraceCheckSpWp]: Trace formula consists of 536 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 00:22:03,544 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:22:03,725 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 00:22:03,755 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Forceful destruction successful, exit code 0 [2023-12-03 00:22:14,575 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 00:22:14,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:22:14,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5224 states to 3682 states and 5224 transitions. [2023-12-03 00:22:14,627 INFO L276 IsEmpty]: Start isEmpty. Operand 3682 states and 5224 transitions. [2023-12-03 00:22:14,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 00:22:14,628 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:22:14,628 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:22:14,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:22:14,629 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:22:14,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2023-12-03 00:22:16,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:22:16,520 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:22:16,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:22:16,929 INFO L262 TraceCheckSpWp]: Trace formula consists of 547 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-03 00:22:16,930 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:22:17,124 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 00:22:17,155 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2023-12-03 00:22:27,977 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 00:22:28,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:22:28,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5225 states to 3683 states and 5225 transitions. [2023-12-03 00:22:28,037 INFO L276 IsEmpty]: Start isEmpty. Operand 3683 states and 5225 transitions. [2023-12-03 00:22:28,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-12-03 00:22:28,038 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:22:28,038 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:22:28,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:22:28,039 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:22:28,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2023-12-03 00:22:29,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:22:29,845 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:22:30,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:22:30,221 INFO L262 TraceCheckSpWp]: Trace formula consists of 558 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 00:22:30,223 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:22:30,460 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 00:22:30,490 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2023-12-03 00:22:36,109 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 00:22:36,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:22:36,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5226 states to 3684 states and 5226 transitions. [2023-12-03 00:22:36,173 INFO L276 IsEmpty]: Start isEmpty. Operand 3684 states and 5226 transitions. [2023-12-03 00:22:36,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-03 00:22:36,173 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:22:36,174 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:22:36,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:22:36,175 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:22:36,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2023-12-03 00:22:38,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:22:38,207 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:22:38,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:22:38,596 INFO L262 TraceCheckSpWp]: Trace formula consists of 569 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-03 00:22:38,598 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:22:38,854 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-03 00:22:38,886 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2023-12-03 00:22:39,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:22:39,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5227 states to 3685 states and 5227 transitions. [2023-12-03 00:22:39,791 INFO L276 IsEmpty]: Start isEmpty. Operand 3685 states and 5227 transitions. [2023-12-03 00:22:39,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 00:22:39,792 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:22:39,792 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:22:39,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:22:39,793 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:22:39,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2023-12-03 00:22:41,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:22:41,577 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:22:41,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:22:41,942 INFO L262 TraceCheckSpWp]: Trace formula consists of 580 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 00:22:41,944 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:22:42,152 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-03 00:22:42,184 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2023-12-03 00:22:43,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:22:43,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5228 states to 3686 states and 5228 transitions. [2023-12-03 00:22:43,226 INFO L276 IsEmpty]: Start isEmpty. Operand 3686 states and 5228 transitions. [2023-12-03 00:22:43,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-12-03 00:22:43,227 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:22:43,227 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:22:43,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:22:43,228 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:22:43,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2023-12-03 00:22:45,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:22:45,410 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:22:45,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:22:45,805 INFO L262 TraceCheckSpWp]: Trace formula consists of 591 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-03 00:22:45,806 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:22:46,078 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-03 00:22:46,117 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2023-12-03 00:22:57,225 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 00:22:57,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:22:57,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5229 states to 3687 states and 5229 transitions. [2023-12-03 00:22:57,286 INFO L276 IsEmpty]: Start isEmpty. Operand 3687 states and 5229 transitions. [2023-12-03 00:22:57,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-03 00:22:57,287 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:22:57,287 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:22:57,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:22:57,288 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:22:57,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2023-12-03 00:22:59,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:22:59,327 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:22:59,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:22:59,704 INFO L262 TraceCheckSpWp]: Trace formula consists of 602 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 00:22:59,706 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:22:59,992 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 2 proven. 15 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-03 00:23:00,026 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2023-12-03 00:23:10,310 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 9.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 00:23:10,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:23:10,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5230 states to 3688 states and 5230 transitions. [2023-12-03 00:23:10,375 INFO L276 IsEmpty]: Start isEmpty. Operand 3688 states and 5230 transitions. [2023-12-03 00:23:10,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-12-03 00:23:10,375 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:23:10,375 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:23:10,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:23:10,376 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:23:10,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2023-12-03 00:23:12,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:23:12,531 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:23:12,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:23:12,926 INFO L262 TraceCheckSpWp]: Trace formula consists of 613 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-03 00:23:12,928 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:23:13,188 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-12-03 00:23:13,223 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2023-12-03 00:23:14,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:23:14,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5231 states to 3689 states and 5231 transitions. [2023-12-03 00:23:14,432 INFO L276 IsEmpty]: Start isEmpty. Operand 3689 states and 5231 transitions. [2023-12-03 00:23:14,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-12-03 00:23:14,432 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:23:14,432 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:23:14,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:23:14,433 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:23:14,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2023-12-03 00:23:16,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:23:16,736 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:23:17,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:23:17,153 INFO L262 TraceCheckSpWp]: Trace formula consists of 624 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 00:23:17,155 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:23:17,455 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 2 proven. 15 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-12-03 00:23:17,491 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2023-12-03 00:23:18,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:23:18,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5232 states to 3690 states and 5232 transitions. [2023-12-03 00:23:18,822 INFO L276 IsEmpty]: Start isEmpty. Operand 3690 states and 5232 transitions. [2023-12-03 00:23:18,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-03 00:23:18,822 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:23:18,822 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:23:18,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:23:18,823 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:23:18,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2023-12-03 00:23:21,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:23:21,040 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:23:21,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:23:21,388 INFO L262 TraceCheckSpWp]: Trace formula consists of 635 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 00:23:21,390 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:23:21,727 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 2 proven. 21 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-12-03 00:23:21,766 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2023-12-03 00:23:33,125 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 00:23:33,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:23:33,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5233 states to 3691 states and 5233 transitions. [2023-12-03 00:23:33,184 INFO L276 IsEmpty]: Start isEmpty. Operand 3691 states and 5233 transitions. [2023-12-03 00:23:33,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-12-03 00:23:33,184 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:23:33,184 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:23:33,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:23:33,185 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:23:33,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2023-12-03 00:23:35,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:23:35,624 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:23:36,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:23:36,051 INFO L262 TraceCheckSpWp]: Trace formula consists of 646 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 00:23:36,052 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:23:36,369 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 2 proven. 28 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-12-03 00:23:36,408 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2023-12-03 00:23:47,769 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 00:23:47,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:23:47,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5234 states to 3692 states and 5234 transitions. [2023-12-03 00:23:47,823 INFO L276 IsEmpty]: Start isEmpty. Operand 3692 states and 5234 transitions. [2023-12-03 00:23:47,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-12-03 00:23:47,824 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:23:47,824 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:23:47,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:23:47,825 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:23:47,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2023-12-03 00:23:50,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:23:50,046 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:23:50,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:23:50,451 INFO L262 TraceCheckSpWp]: Trace formula consists of 657 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 00:23:50,452 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:23:50,769 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 2 proven. 21 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-12-03 00:23:50,809 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Forceful destruction successful, exit code 0 [2023-12-03 00:23:52,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:23:52,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5235 states to 3693 states and 5235 transitions. [2023-12-03 00:23:52,244 INFO L276 IsEmpty]: Start isEmpty. Operand 3693 states and 5235 transitions. [2023-12-03 00:23:52,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-12-03 00:23:52,244 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:23:52,244 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:23:52,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:23:52,245 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:23:52,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2023-12-03 00:23:54,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:23:54,700 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:23:55,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:23:55,119 INFO L262 TraceCheckSpWp]: Trace formula consists of 668 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 00:23:55,121 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:23:55,462 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 2 proven. 28 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-12-03 00:23:55,503 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2023-12-03 00:23:57,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:23:57,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5236 states to 3694 states and 5236 transitions. [2023-12-03 00:23:57,087 INFO L276 IsEmpty]: Start isEmpty. Operand 3694 states and 5236 transitions. [2023-12-03 00:23:57,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-12-03 00:23:57,088 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:23:57,088 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:23:57,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:23:57,089 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:23:57,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2023-12-03 00:23:59,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:23:59,673 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:24:00,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:24:00,092 INFO L262 TraceCheckSpWp]: Trace formula consists of 679 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-03 00:24:00,094 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:24:00,452 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 2 proven. 36 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-12-03 00:24:00,491 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2023-12-03 00:24:12,027 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 00:24:12,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:24:12,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5237 states to 3695 states and 5237 transitions. [2023-12-03 00:24:12,089 INFO L276 IsEmpty]: Start isEmpty. Operand 3695 states and 5237 transitions. [2023-12-03 00:24:12,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-12-03 00:24:12,089 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:24:12,090 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:24:12,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:24:12,091 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:24:12,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2023-12-03 00:24:14,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:24:14,614 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:24:15,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:24:15,046 INFO L262 TraceCheckSpWp]: Trace formula consists of 690 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-03 00:24:15,048 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:24:15,434 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 2 proven. 45 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-12-03 00:24:15,460 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2023-12-03 00:24:27,143 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 00:24:27,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:24:27,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5238 states to 3696 states and 5238 transitions. [2023-12-03 00:24:27,200 INFO L276 IsEmpty]: Start isEmpty. Operand 3696 states and 5238 transitions. [2023-12-03 00:24:27,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-12-03 00:24:27,201 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:24:27,201 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:24:27,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:24:27,209 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:24:27,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2023-12-03 00:24:29,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:24:29,720 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:24:30,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:24:30,148 INFO L262 TraceCheckSpWp]: Trace formula consists of 701 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-03 00:24:30,150 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:24:30,490 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 2 proven. 36 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-12-03 00:24:30,517 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2023-12-03 00:24:32,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:24:32,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5239 states to 3697 states and 5239 transitions. [2023-12-03 00:24:32,146 INFO L276 IsEmpty]: Start isEmpty. Operand 3697 states and 5239 transitions. [2023-12-03 00:24:32,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-12-03 00:24:32,147 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:24:32,147 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:24:32,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:24:32,148 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:24:32,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2023-12-03 00:24:34,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:24:34,796 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:24:35,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:24:35,234 INFO L262 TraceCheckSpWp]: Trace formula consists of 712 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-03 00:24:35,236 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:24:35,640 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 2 proven. 45 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-12-03 00:24:35,668 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Forceful destruction successful, exit code 0 [2023-12-03 00:24:37,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:24:37,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5240 states to 3698 states and 5240 transitions. [2023-12-03 00:24:37,401 INFO L276 IsEmpty]: Start isEmpty. Operand 3698 states and 5240 transitions. [2023-12-03 00:24:37,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 00:24:37,401 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:24:37,402 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:24:37,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:24:37,403 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:24:37,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2023-12-03 00:24:40,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:24:40,236 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:24:40,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:24:40,732 INFO L262 TraceCheckSpWp]: Trace formula consists of 723 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 00:24:40,734 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:24:41,140 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 2 proven. 55 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-12-03 00:24:41,168 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2023-12-03 00:24:53,010 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 00:24:53,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:24:53,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5241 states to 3699 states and 5241 transitions. [2023-12-03 00:24:53,068 INFO L276 IsEmpty]: Start isEmpty. Operand 3699 states and 5241 transitions. [2023-12-03 00:24:53,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 00:24:53,068 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:24:53,068 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:24:53,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:24:53,069 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:24:53,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2023-12-03 00:24:55,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:24:55,784 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:24:56,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:24:56,259 INFO L262 TraceCheckSpWp]: Trace formula consists of 734 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 00:24:56,261 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:24:56,660 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 2 proven. 66 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-12-03 00:24:56,688 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Forceful destruction successful, exit code 0 [2023-12-03 00:25:08,605 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 00:25:08,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:25:08,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5242 states to 3700 states and 5242 transitions. [2023-12-03 00:25:08,658 INFO L276 IsEmpty]: Start isEmpty. Operand 3700 states and 5242 transitions. [2023-12-03 00:25:08,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 00:25:08,658 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:25:08,658 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:25:08,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:25:08,659 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:25:08,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2023-12-03 00:25:11,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:25:11,234 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:25:11,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:25:11,689 INFO L262 TraceCheckSpWp]: Trace formula consists of 745 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 00:25:11,691 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:25:12,108 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 2 proven. 55 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-03 00:25:12,137 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Forceful destruction successful, exit code 0 [2023-12-03 00:25:14,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:25:14,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5243 states to 3701 states and 5243 transitions. [2023-12-03 00:25:14,045 INFO L276 IsEmpty]: Start isEmpty. Operand 3701 states and 5243 transitions. [2023-12-03 00:25:14,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-12-03 00:25:14,046 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:25:14,046 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:25:14,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:25:14,047 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:25:14,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2023-12-03 00:25:16,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:25:16,463 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:25:16,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:25:16,929 INFO L262 TraceCheckSpWp]: Trace formula consists of 756 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 00:25:16,931 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:25:17,377 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 2 proven. 66 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-03 00:25:17,407 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2023-12-03 00:25:19,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:25:19,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5244 states to 3702 states and 5244 transitions. [2023-12-03 00:25:19,325 INFO L276 IsEmpty]: Start isEmpty. Operand 3702 states and 5244 transitions. [2023-12-03 00:25:19,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-12-03 00:25:19,326 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:25:19,326 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:25:19,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:25:19,327 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:25:19,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2023-12-03 00:25:22,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:25:22,398 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:25:22,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:25:22,897 INFO L262 TraceCheckSpWp]: Trace formula consists of 767 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-03 00:25:22,900 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:25:23,400 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 2 proven. 78 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-03 00:25:23,431 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2023-12-03 00:25:35,597 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 00:25:35,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:25:35,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5245 states to 3703 states and 5245 transitions. [2023-12-03 00:25:35,660 INFO L276 IsEmpty]: Start isEmpty. Operand 3703 states and 5245 transitions. [2023-12-03 00:25:35,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-12-03 00:25:35,661 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:25:35,661 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:25:35,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:25:35,662 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:25:35,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2023-12-03 00:25:38,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:25:38,907 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:25:39,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:25:39,355 INFO L262 TraceCheckSpWp]: Trace formula consists of 778 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 00:25:39,357 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:25:39,856 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 2 proven. 91 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-03 00:25:39,887 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2023-12-03 00:25:52,095 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 00:25:52,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:25:52,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5246 states to 3704 states and 5246 transitions. [2023-12-03 00:25:52,174 INFO L276 IsEmpty]: Start isEmpty. Operand 3704 states and 5246 transitions. [2023-12-03 00:25:52,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-12-03 00:25:52,174 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:25:52,174 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:25:52,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:25:52,175 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:25:52,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2023-12-03 00:25:55,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:25:55,184 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:25:55,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:25:55,679 INFO L262 TraceCheckSpWp]: Trace formula consists of 789 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-03 00:25:55,681 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:25:56,188 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 2 proven. 78 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 00:25:56,220 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Ended with exit code 0 [2023-12-03 00:25:58,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:25:58,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5247 states to 3705 states and 5247 transitions. [2023-12-03 00:25:58,453 INFO L276 IsEmpty]: Start isEmpty. Operand 3705 states and 5247 transitions. [2023-12-03 00:25:58,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-12-03 00:25:58,454 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:25:58,454 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:25:58,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:25:58,455 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:25:58,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2023-12-03 00:26:01,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:01,829 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:26:02,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:02,304 INFO L262 TraceCheckSpWp]: Trace formula consists of 800 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 00:26:02,306 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:26:02,832 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 2 proven. 91 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 00:26:02,866 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2023-12-03 00:26:05,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:26:05,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5248 states to 3706 states and 5248 transitions. [2023-12-03 00:26:05,095 INFO L276 IsEmpty]: Start isEmpty. Operand 3706 states and 5248 transitions. [2023-12-03 00:26:05,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-12-03 00:26:05,095 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:26:05,096 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:26:05,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:26:05,096 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:26:05,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2023-12-03 00:26:08,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:08,439 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:26:08,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:08,916 INFO L262 TraceCheckSpWp]: Trace formula consists of 811 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-03 00:26:08,918 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:26:09,488 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 2 proven. 105 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 00:26:09,522 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2023-12-03 00:26:22,022 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 00:26:22,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:26:22,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5249 states to 3707 states and 5249 transitions. [2023-12-03 00:26:22,086 INFO L276 IsEmpty]: Start isEmpty. Operand 3707 states and 5249 transitions. [2023-12-03 00:26:22,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-12-03 00:26:22,087 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:26:22,087 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:26:22,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:26:22,088 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:26:22,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2023-12-03 00:26:25,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:25,454 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:26:25,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:25,946 INFO L262 TraceCheckSpWp]: Trace formula consists of 822 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-03 00:26:25,949 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:26:26,486 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 2 proven. 120 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 00:26:26,521 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Ended with exit code 0 [2023-12-03 00:26:38,981 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 00:26:39,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:26:39,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5250 states to 3708 states and 5250 transitions. [2023-12-03 00:26:39,051 INFO L276 IsEmpty]: Start isEmpty. Operand 3708 states and 5250 transitions. [2023-12-03 00:26:39,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-12-03 00:26:39,052 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:26:39,052 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:26:39,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:26:39,053 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:26:39,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2023-12-03 00:26:42,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:42,691 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:26:43,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:43,179 INFO L262 TraceCheckSpWp]: Trace formula consists of 833 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-03 00:26:43,182 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:26:43,785 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 2 proven. 105 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 00:26:43,820 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Forceful destruction successful, exit code 0 [2023-12-03 00:26:46,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:26:46,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5251 states to 3709 states and 5251 transitions. [2023-12-03 00:26:46,491 INFO L276 IsEmpty]: Start isEmpty. Operand 3709 states and 5251 transitions. [2023-12-03 00:26:46,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-12-03 00:26:46,492 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:26:46,492 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:26:46,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:26:46,493 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:26:46,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2023-12-03 00:26:50,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:50,045 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:26:50,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:50,526 INFO L262 TraceCheckSpWp]: Trace formula consists of 844 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-03 00:26:50,529 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:26:51,152 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 2 proven. 120 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 00:26:51,189 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Ended with exit code 0 [2023-12-03 00:26:53,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:26:53,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5252 states to 3710 states and 5252 transitions. [2023-12-03 00:26:53,924 INFO L276 IsEmpty]: Start isEmpty. Operand 3710 states and 5252 transitions. [2023-12-03 00:26:53,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-12-03 00:26:53,924 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:26:53,924 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:26:53,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:26:53,925 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:26:53,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2023-12-03 00:26:57,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:57,383 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:26:57,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:57,948 INFO L262 TraceCheckSpWp]: Trace formula consists of 855 conjuncts, 20 conjunts are in the unsatisfiable core [2023-12-03 00:26:57,951 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:26:58,598 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 2 proven. 136 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 00:26:58,634 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3525b7f9-1a44-488f-ae96-5cb2c3de874a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Forceful destruction successful, exit code 0