./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.unsafe_linked_list_fifo_n2d4.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/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_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.unsafe_linked_list_fifo_n2d4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash eb904c0981d69b458d5d2831cb1cef4022d2f4fca573c75928a054243d001b7a --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:16:38,197 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:16:38,262 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-12-03 01:16:38,266 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 01:16:38,266 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 01:16:38,288 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:16:38,289 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:16:38,289 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:16:38,290 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:16:38,291 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:16:38,291 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:16:38,292 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:16:38,292 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 01:16:38,293 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:16:38,293 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:16:38,294 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:16:38,294 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:16:38,295 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:16:38,295 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:16:38,296 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:16:38,296 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:16:38,297 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:16:38,297 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:16:38,298 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:16:38,298 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:16:38,299 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:16:38,299 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:16:38,300 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 01:16:38,300 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 01:16:38,300 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:16:38,301 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_4ab10920-ddf7-40c4-b278-1098d1372b9f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eb904c0981d69b458d5d2831cb1cef4022d2f4fca573c75928a054243d001b7a [2023-12-03 01:16:38,523 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:16:38,544 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:16:38,547 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:16:38,557 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:16:38,557 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:16:38,559 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.unsafe_linked_list_fifo_n2d4.c [2023-12-03 01:16:41,362 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:16:41,611 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:16:41,611 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.unsafe_linked_list_fifo_n2d4.c [2023-12-03 01:16:41,627 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/data/9dd1b37f4/3aa21dbfaa004db0969a1bc67f363f63/FLAG910f1a784 [2023-12-03 01:16:41,642 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/data/9dd1b37f4/3aa21dbfaa004db0969a1bc67f363f63 [2023-12-03 01:16:41,644 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:16:41,646 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:16:41,647 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:16:41,647 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:16:41,653 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:16:41,654 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:16:41" (1/1) ... [2023-12-03 01:16:41,655 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c52b9a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:16:41, skipping insertion in model container [2023-12-03 01:16:41,655 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:16:41" (1/1) ... [2023-12-03 01:16:41,717 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:16:41,873 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.unsafe_linked_list_fifo_n2d4.c[1268,1281] [2023-12-03 01:16:42,165 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:16:42,175 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:16:42,184 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.unsafe_linked_list_fifo_n2d4.c[1268,1281] [2023-12-03 01:16:42,369 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:16:42,383 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:16:42,384 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:16:42 WrapperNode [2023-12-03 01:16:42,384 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:16:42,385 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:16:42,385 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:16:42,385 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:16:42,393 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:16:42" (1/1) ... [2023-12-03 01:16:42,436 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:16:42" (1/1) ... [2023-12-03 01:16:42,789 INFO L138 Inliner]: procedures = 18, calls = 107, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 4288 [2023-12-03 01:16:42,789 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:16:42,790 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:16:42,790 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:16:42,790 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:16:42,799 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:16:42" (1/1) ... [2023-12-03 01:16:42,799 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:16:42" (1/1) ... [2023-12-03 01:16:42,867 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:16:42" (1/1) ... [2023-12-03 01:16:42,867 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:16:42" (1/1) ... [2023-12-03 01:16:43,124 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:16:42" (1/1) ... [2023-12-03 01:16:43,183 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:16:42" (1/1) ... [2023-12-03 01:16:43,262 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:16:42" (1/1) ... [2023-12-03 01:16:43,298 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:16:42" (1/1) ... [2023-12-03 01:16:43,401 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:16:43,403 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:16:43,403 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:16:43,403 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:16:43,404 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:16:42" (1/1) ... [2023-12-03 01:16:43,410 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:16:43,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:16:43,437 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:16:43,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:16:43,473 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:16:43,473 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 01:16:43,473 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 01:16:43,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 01:16:43,474 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 01:16:43,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 01:16:43,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:16:43,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:16:43,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 01:16:43,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 01:16:43,771 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:16:43,773 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:16:46,667 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:16:50,233 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:16:50,233 INFO L309 CfgBuilder]: Removed 19 assume(true) statements. [2023-12-03 01:16:50,235 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:16:50 BoogieIcfgContainer [2023-12-03 01:16:50,235 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:16:50,235 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:16:50,236 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:16:50,243 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:16:50,243 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:16:50" (1/1) ... [2023-12-03 01:16:50,250 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:16:50,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:16:50,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 37 states and 60 transitions. [2023-12-03 01:16:50,292 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 60 transitions. [2023-12-03 01:16:50,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-03 01:16:50,297 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:16:50,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:16:50,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:16:51,415 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-03 01:16:52,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:16:52,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 37 states and 59 transitions. [2023-12-03 01:16:52,101 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 59 transitions. [2023-12-03 01:16:52,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-03 01:16:52,102 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:16:52,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:16:52,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:16:52,987 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-03 01:16:53,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:16:53,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 38 states and 60 transitions. [2023-12-03 01:16:53,051 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 60 transitions. [2023-12-03 01:16:53,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-03 01:16:53,052 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:16:53,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:16:53,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:16:53,934 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-03 01:16:53,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:16:53,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 39 states and 61 transitions. [2023-12-03 01:16:53,995 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 61 transitions. [2023-12-03 01:16:53,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 01:16:53,996 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:16:53,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:16:54,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:16:54,951 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-03 01:16:55,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:16:55,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 40 states and 62 transitions. [2023-12-03 01:16:55,026 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 62 transitions. [2023-12-03 01:16:55,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-03 01:16:55,027 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:16:55,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:16:55,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:16:55,726 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-03 01:16:55,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:16:55,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 41 states and 63 transitions. [2023-12-03 01:16:55,788 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 63 transitions. [2023-12-03 01:16:55,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-03 01:16:55,789 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:16:55,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:16:56,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:16:56,576 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-03 01:16:56,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:16:56,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 42 states and 64 transitions. [2023-12-03 01:16:56,728 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 64 transitions. [2023-12-03 01:16:56,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-12-03 01:16:56,729 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:16:56,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:16:56,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:16:57,356 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-12-03 01:16:57,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:16:57,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 43 states and 65 transitions. [2023-12-03 01:16:57,643 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 65 transitions. [2023-12-03 01:16:57,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-12-03 01:16:57,644 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:16:57,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:16:57,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:16:58,280 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-12-03 01:16:58,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:16:58,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 44 states and 66 transitions. [2023-12-03 01:16:58,424 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 66 transitions. [2023-12-03 01:16:58,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-03 01:16:58,425 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:16:58,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:16:58,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:16:59,085 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-12-03 01:16:59,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:16:59,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 45 states and 67 transitions. [2023-12-03 01:16:59,219 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 67 transitions. [2023-12-03 01:16:59,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 01:16:59,220 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:16:59,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:16:59,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:16:59,949 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-12-03 01:17:00,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:17:00,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 46 states and 68 transitions. [2023-12-03 01:17:00,103 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 68 transitions. [2023-12-03 01:17:00,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-12-03 01:17:00,104 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:17:00,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:17:03,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:17:06,100 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2023-12-03 01:17:09,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:17:09,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 58 states and 86 transitions. [2023-12-03 01:17:09,236 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 86 transitions. [2023-12-03 01:17:09,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-12-03 01:17:09,238 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:17:09,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:17:09,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:17:10,558 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2023-12-03 01:17:12,131 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 01:17:13,412 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 01:17:21,577 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 01:17:21,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:17:21,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 59 states and 87 transitions. [2023-12-03 01:17:21,680 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 87 transitions. [2023-12-03 01:17:21,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-03 01:17:21,681 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:17:21,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:17:22,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:17:22,834 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2023-12-03 01:17:23,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:17:23,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 60 states and 88 transitions. [2023-12-03 01:17:23,050 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 88 transitions. [2023-12-03 01:17:23,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-12-03 01:17:23,052 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:17:23,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:17:23,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:17:24,139 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2023-12-03 01:17:24,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:17:24,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 61 states and 89 transitions. [2023-12-03 01:17:24,237 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 89 transitions. [2023-12-03 01:17:24,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-12-03 01:17:24,238 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:17:24,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:17:24,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:17:25,544 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2023-12-03 01:17:25,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:17:25,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 62 states and 90 transitions. [2023-12-03 01:17:25,762 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 90 transitions. [2023-12-03 01:17:25,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-12-03 01:17:25,763 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:17:25,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:17:26,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:17:26,735 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2023-12-03 01:17:26,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:17:26,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 63 states and 91 transitions. [2023-12-03 01:17:26,825 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 91 transitions. [2023-12-03 01:17:26,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-12-03 01:17:26,826 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:17:26,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:17:27,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:17:27,931 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2023-12-03 01:17:28,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:17:28,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 64 states and 92 transitions. [2023-12-03 01:17:28,190 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 92 transitions. [2023-12-03 01:17:28,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-12-03 01:17:28,191 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:17:28,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:17:28,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:17:29,245 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2023-12-03 01:17:29,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:17:29,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 65 states and 93 transitions. [2023-12-03 01:17:29,347 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 93 transitions. [2023-12-03 01:17:29,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-12-03 01:17:29,348 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:17:29,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:17:29,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:17:30,439 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2023-12-03 01:17:30,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:17:30,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 66 states and 94 transitions. [2023-12-03 01:17:30,689 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 94 transitions. [2023-12-03 01:17:30,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-12-03 01:17:30,689 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:17:30,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:17:31,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:17:31,709 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2023-12-03 01:17:32,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:17:32,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 67 states and 95 transitions. [2023-12-03 01:17:32,287 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 95 transitions. [2023-12-03 01:17:32,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 01:17:32,288 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:17:32,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:17:32,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:17:33,360 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2023-12-03 01:17:33,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:17:33,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 68 states and 96 transitions. [2023-12-03 01:17:33,818 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 96 transitions. [2023-12-03 01:17:33,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 01:17:33,818 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:17:33,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:17:34,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:17:34,928 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2023-12-03 01:17:45,236 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 01:17:45,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:17:45,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 69 states and 97 transitions. [2023-12-03 01:17:45,271 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 97 transitions. [2023-12-03 01:17:45,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 01:17:45,272 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:17:45,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:17:45,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:17:46,452 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2023-12-03 01:17:48,893 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 01:17:48,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:17:48,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 70 states and 98 transitions. [2023-12-03 01:17:48,922 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 98 transitions. [2023-12-03 01:17:48,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-12-03 01:17:48,923 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:17:48,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:17:49,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:17:50,262 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2023-12-03 01:17:55,074 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 01:17:55,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:17:55,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 71 states and 99 transitions. [2023-12-03 01:17:55,109 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2023-12-03 01:17:55,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-12-03 01:17:55,110 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:17:55,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:17:55,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:17:56,481 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2023-12-03 01:18:02,946 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 01:18:02,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:18:02,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 72 states and 100 transitions. [2023-12-03 01:18:02,995 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 100 transitions. [2023-12-03 01:18:02,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-12-03 01:18:02,996 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:18:02,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:18:03,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:18:04,056 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2023-12-03 01:18:14,152 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 01:18:14,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:18:14,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 73 states and 101 transitions. [2023-12-03 01:18:14,205 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 101 transitions. [2023-12-03 01:18:14,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-12-03 01:18:14,206 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:18:14,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:18:14,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:18:15,322 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2023-12-03 01:18:15,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:18:15,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 74 states and 102 transitions. [2023-12-03 01:18:15,642 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 102 transitions. [2023-12-03 01:18:15,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-12-03 01:18:15,642 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:18:15,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:18:16,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:18:16,936 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2023-12-03 01:18:17,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:18:17,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 75 states and 103 transitions. [2023-12-03 01:18:17,210 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 103 transitions. [2023-12-03 01:18:17,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-12-03 01:18:17,211 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:18:17,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:18:17,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:18:18,722 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2023-12-03 01:18:19,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:18:19,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 76 states and 104 transitions. [2023-12-03 01:18:19,022 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 104 transitions. [2023-12-03 01:18:19,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-12-03 01:18:19,023 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:18:19,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:18:19,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:18:20,051 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2023-12-03 01:18:20,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:18:20,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 77 states and 105 transitions. [2023-12-03 01:18:20,154 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 105 transitions. [2023-12-03 01:18:20,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-12-03 01:18:20,155 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:18:20,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:18:20,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:18:21,401 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2023-12-03 01:18:21,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:18:21,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 78 states and 106 transitions. [2023-12-03 01:18:21,742 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 106 transitions. [2023-12-03 01:18:21,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-12-03 01:18:21,743 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:18:21,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:18:22,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:18:23,039 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2023-12-03 01:18:23,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:18:23,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 79 states and 107 transitions. [2023-12-03 01:18:23,344 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 107 transitions. [2023-12-03 01:18:23,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-12-03 01:18:23,345 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:18:23,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:18:23,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:18:24,855 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2023-12-03 01:18:25,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:18:25,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 80 states and 108 transitions. [2023-12-03 01:18:25,137 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 108 transitions. [2023-12-03 01:18:25,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-12-03 01:18:25,138 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:18:25,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:18:25,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:18:26,180 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2023-12-03 01:18:26,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:18:26,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 81 states and 109 transitions. [2023-12-03 01:18:26,299 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 109 transitions. [2023-12-03 01:18:26,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-12-03 01:18:26,300 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:18:26,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:18:26,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:18:27,482 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2023-12-03 01:18:27,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:18:27,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 82 states and 110 transitions. [2023-12-03 01:18:27,809 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 110 transitions. [2023-12-03 01:18:27,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-12-03 01:18:27,810 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:18:27,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:18:28,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:18:29,152 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2023-12-03 01:18:29,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:18:29,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 83 states and 111 transitions. [2023-12-03 01:18:29,469 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 111 transitions. [2023-12-03 01:18:29,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 01:18:29,470 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:18:29,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:18:29,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:18:30,982 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2023-12-03 01:18:31,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:18:31,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 84 states and 112 transitions. [2023-12-03 01:18:31,283 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 112 transitions. [2023-12-03 01:18:31,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-12-03 01:18:31,283 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:18:31,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:18:31,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:18:32,357 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2023-12-03 01:18:32,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:18:32,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 85 states and 113 transitions. [2023-12-03 01:18:32,496 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 113 transitions. [2023-12-03 01:18:32,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-12-03 01:18:32,497 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:18:32,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:18:32,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:18:33,708 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2023-12-03 01:18:34,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:18:34,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 86 states and 114 transitions. [2023-12-03 01:18:34,081 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 114 transitions. [2023-12-03 01:18:34,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-12-03 01:18:34,082 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:18:34,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:18:34,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:18:35,404 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2023-12-03 01:18:35,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:18:35,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 87 states and 115 transitions. [2023-12-03 01:18:35,733 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 115 transitions. [2023-12-03 01:18:35,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-12-03 01:18:35,734 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:18:35,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:18:36,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:18:37,273 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2023-12-03 01:18:37,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:18:37,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 88 states and 116 transitions. [2023-12-03 01:18:37,632 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 116 transitions. [2023-12-03 01:18:37,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-12-03 01:18:37,632 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:18:37,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:18:38,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:18:38,751 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2023-12-03 01:18:38,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:18:38,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 89 states and 117 transitions. [2023-12-03 01:18:38,872 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 117 transitions. [2023-12-03 01:18:38,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-03 01:18:38,873 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:18:38,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:18:39,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:18:40,117 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2023-12-03 01:18:40,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:18:40,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 90 states and 118 transitions. [2023-12-03 01:18:40,487 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 118 transitions. [2023-12-03 01:18:40,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-12-03 01:18:40,488 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:18:40,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:18:40,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:18:41,842 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2023-12-03 01:18:42,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:18:42,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 91 states and 119 transitions. [2023-12-03 01:18:42,188 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 119 transitions. [2023-12-03 01:18:42,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-12-03 01:18:42,188 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:18:42,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:18:42,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:18:43,733 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2023-12-03 01:18:44,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:18:44,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 92 states and 120 transitions. [2023-12-03 01:18:44,117 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 120 transitions. [2023-12-03 01:18:44,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-12-03 01:18:44,117 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:18:44,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:18:44,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:18:45,217 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2023-12-03 01:18:45,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:18:45,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 93 states and 121 transitions. [2023-12-03 01:18:45,361 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 121 transitions. [2023-12-03 01:18:45,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-12-03 01:18:45,362 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:18:45,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:18:45,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:18:46,623 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2023-12-03 01:18:47,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:18:47,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 94 states and 122 transitions. [2023-12-03 01:18:47,080 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 122 transitions. [2023-12-03 01:18:47,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-12-03 01:18:47,080 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:18:47,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:18:47,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:18:48,718 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2023-12-03 01:18:49,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:18:49,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 95 states and 123 transitions. [2023-12-03 01:18:49,088 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 123 transitions. [2023-12-03 01:18:49,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-12-03 01:18:49,088 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:18:49,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:18:49,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:18:50,736 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2023-12-03 01:18:51,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:18:51,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 96 states and 124 transitions. [2023-12-03 01:18:51,103 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 124 transitions. [2023-12-03 01:18:51,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-12-03 01:18:51,104 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:18:51,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:18:51,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:18:52,217 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2023-12-03 01:18:52,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:18:52,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 97 states and 125 transitions. [2023-12-03 01:18:52,344 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 125 transitions. [2023-12-03 01:18:52,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-03 01:18:52,345 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:18:52,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:18:52,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:18:53,575 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2023-12-03 01:18:53,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:18:53,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 98 states and 126 transitions. [2023-12-03 01:18:53,982 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 126 transitions. [2023-12-03 01:18:53,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-12-03 01:18:53,983 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:18:53,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:18:54,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:18:55,089 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2023-12-03 01:18:55,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:18:55,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 99 states and 127 transitions. [2023-12-03 01:18:55,235 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 127 transitions. [2023-12-03 01:18:55,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-12-03 01:18:55,236 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:18:55,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:18:55,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:18:56,552 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2023-12-03 01:18:56,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:18:56,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 100 states and 128 transitions. [2023-12-03 01:18:56,998 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 128 transitions. [2023-12-03 01:18:56,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-12-03 01:18:56,999 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:18:56,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:18:57,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:18:58,459 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2023-12-03 01:18:58,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:18:58,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 101 states and 129 transitions. [2023-12-03 01:18:58,851 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 129 transitions. [2023-12-03 01:18:58,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-12-03 01:18:58,851 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:18:58,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:18:59,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:19:00,493 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2023-12-03 01:19:00,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:19:00,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 102 states and 130 transitions. [2023-12-03 01:19:00,899 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 130 transitions. [2023-12-03 01:19:00,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-12-03 01:19:00,900 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:19:00,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:19:01,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:19:02,025 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2023-12-03 01:19:02,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:19:02,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 103 states and 131 transitions. [2023-12-03 01:19:02,196 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 131 transitions. [2023-12-03 01:19:02,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-12-03 01:19:02,196 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:19:02,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:19:02,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:19:03,433 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2023-12-03 01:19:03,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:19:03,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 104 states and 132 transitions. [2023-12-03 01:19:03,949 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 132 transitions. [2023-12-03 01:19:03,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-12-03 01:19:03,950 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:19:03,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:19:04,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:19:05,415 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2023-12-03 01:19:05,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:19:05,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 105 states and 133 transitions. [2023-12-03 01:19:05,869 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 133 transitions. [2023-12-03 01:19:05,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2023-12-03 01:19:05,870 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:19:05,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:19:06,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:19:07,588 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2023-12-03 01:19:08,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:19:08,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 106 states and 134 transitions. [2023-12-03 01:19:08,051 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 134 transitions. [2023-12-03 01:19:08,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-12-03 01:19:08,052 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:19:08,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:21:31,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:21:31,591 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 01:23:47,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:23:58,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-03 01:23:58,873 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-03 01:23:58,876 INFO L158 Benchmark]: Toolchain (without parser) took 437230.18ms. Allocated memory was 169.9MB in the beginning and 2.1GB in the end (delta: 1.9GB). Free memory was 129.6MB in the beginning and 1.6GB in the end (delta: -1.4GB). Peak memory consumption was 505.1MB. Max. memory is 16.1GB. [2023-12-03 01:23:58,876 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 169.9MB. Free memory is still 144.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:23:58,877 INFO L158 Benchmark]: CACSL2BoogieTranslator took 737.14ms. Allocated memory is still 169.9MB. Free memory was 129.2MB in the beginning and 115.3MB in the end (delta: 13.9MB). Peak memory consumption was 60.0MB. Max. memory is 16.1GB. [2023-12-03 01:23:58,878 INFO L158 Benchmark]: Boogie Procedure Inliner took 404.43ms. Allocated memory was 169.9MB in the beginning and 207.6MB in the end (delta: 37.7MB). Free memory was 115.3MB in the beginning and 97.6MB in the end (delta: 17.7MB). Peak memory consumption was 69.1MB. Max. memory is 16.1GB. [2023-12-03 01:23:58,878 INFO L158 Benchmark]: Boogie Preprocessor took 611.96ms. Allocated memory is still 207.6MB. Free memory was 97.6MB in the beginning and 91.1MB in the end (delta: 6.5MB). Peak memory consumption was 61.9MB. Max. memory is 16.1GB. [2023-12-03 01:23:58,879 INFO L158 Benchmark]: RCFGBuilder took 6831.95ms. Allocated memory was 207.6MB in the beginning and 683.7MB in the end (delta: 476.1MB). Free memory was 91.1MB in the beginning and 473.3MB in the end (delta: -382.2MB). Peak memory consumption was 350.8MB. Max. memory is 16.1GB. [2023-12-03 01:23:58,879 INFO L158 Benchmark]: CodeCheck took 428639.90ms. Allocated memory was 683.7MB in the beginning and 2.1GB in the end (delta: 1.4GB). Free memory was 473.3MB in the beginning and 1.6GB in the end (delta: -1.1GB). Peak memory consumption was 334.5MB. Max. memory is 16.1GB. [2023-12-03 01:23:58,882 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 169.9MB. Free memory is still 144.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 737.14ms. Allocated memory is still 169.9MB. Free memory was 129.2MB in the beginning and 115.3MB in the end (delta: 13.9MB). Peak memory consumption was 60.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 404.43ms. Allocated memory was 169.9MB in the beginning and 207.6MB in the end (delta: 37.7MB). Free memory was 115.3MB in the beginning and 97.6MB in the end (delta: 17.7MB). Peak memory consumption was 69.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 611.96ms. Allocated memory is still 207.6MB. Free memory was 97.6MB in the beginning and 91.1MB in the end (delta: 6.5MB). Peak memory consumption was 61.9MB. Max. memory is 16.1GB. * RCFGBuilder took 6831.95ms. Allocated memory was 207.6MB in the beginning and 683.7MB in the end (delta: 476.1MB). Free memory was 91.1MB in the beginning and 473.3MB in the end (delta: -382.2MB). Peak memory consumption was 350.8MB. Max. memory is 16.1GB. * CodeCheck took 428639.90ms. Allocated memory was 683.7MB in the beginning and 2.1GB in the end (delta: 1.4GB). Free memory was 473.3MB in the beginning and 1.6GB in the end (delta: -1.1GB). Peak memory consumption was 334.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 01:23:58,922 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/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_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/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_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.unsafe_linked_list_fifo_n2d4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash eb904c0981d69b458d5d2831cb1cef4022d2f4fca573c75928a054243d001b7a --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:24:00,903 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:24:00,982 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-12-03 01:24:01,016 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:24:01,017 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:24:01,018 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:24:01,019 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:24:01,019 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:24:01,020 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:24:01,020 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:24:01,021 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:24:01,021 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:24:01,022 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:24:01,023 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:24:01,023 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 01:24:01,024 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 01:24:01,024 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 01:24:01,025 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:24:01,026 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:24:01,026 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:24:01,027 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:24:01,030 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:24:01,030 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 01:24:01,030 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 01:24:01,031 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:24:01,031 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:24:01,032 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:24:01,032 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:24:01,032 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:24:01,033 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 01:24:01,033 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 01:24:01,034 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:24:01,034 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 01:24:01,034 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 01:24:01,035 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_4ab10920-ddf7-40c4-b278-1098d1372b9f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eb904c0981d69b458d5d2831cb1cef4022d2f4fca573c75928a054243d001b7a [2023-12-03 01:24:01,318 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:24:01,338 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:24:01,340 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:24:01,341 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:24:01,342 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:24:01,343 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.unsafe_linked_list_fifo_n2d4.c [2023-12-03 01:24:04,145 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:24:04,453 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:24:04,454 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.unsafe_linked_list_fifo_n2d4.c [2023-12-03 01:24:04,470 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/data/20f456398/53bb1b11c7e94234bf8f81d82155986c/FLAG04967c945 [2023-12-03 01:24:04,486 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/data/20f456398/53bb1b11c7e94234bf8f81d82155986c [2023-12-03 01:24:04,489 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:24:04,491 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:24:04,493 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:24:04,493 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:24:04,498 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:24:04,499 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:24:04" (1/1) ... [2023-12-03 01:24:04,501 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cecbd0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:24:04, skipping insertion in model container [2023-12-03 01:24:04,501 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:24:04" (1/1) ... [2023-12-03 01:24:04,581 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:24:04,764 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.unsafe_linked_list_fifo_n2d4.c[1268,1281] [2023-12-03 01:24:05,006 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:24:05,019 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:24:05,032 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.unsafe_linked_list_fifo_n2d4.c[1268,1281] [2023-12-03 01:24:05,142 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:24:05,158 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:24:05,158 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:24:05 WrapperNode [2023-12-03 01:24:05,159 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:24:05,160 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:24:05,160 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:24:05,160 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:24:05,168 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:24:05" (1/1) ... [2023-12-03 01:24:05,207 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:24:05" (1/1) ... [2023-12-03 01:24:05,289 INFO L138 Inliner]: procedures = 18, calls = 107, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1614 [2023-12-03 01:24:05,289 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:24:05,290 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:24:05,290 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:24:05,291 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:24:05,300 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:24:05" (1/1) ... [2023-12-03 01:24:05,300 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:24:05" (1/1) ... [2023-12-03 01:24:05,312 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:24:05" (1/1) ... [2023-12-03 01:24:05,313 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:24:05" (1/1) ... [2023-12-03 01:24:05,361 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:24:05" (1/1) ... [2023-12-03 01:24:05,370 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:24:05" (1/1) ... [2023-12-03 01:24:05,378 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:24:05" (1/1) ... [2023-12-03 01:24:05,388 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:24:05" (1/1) ... [2023-12-03 01:24:05,401 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:24:05,402 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:24:05,402 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:24:05,402 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:24:05,403 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:24:05" (1/1) ... [2023-12-03 01:24:05,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:24:05,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:24:05,433 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:24:05,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:24:05,478 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:24:05,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-12-03 01:24:05,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 01:24:05,479 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 01:24:05,479 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 01:24:05,479 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 01:24:05,479 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:24:05,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:24:05,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-12-03 01:24:05,480 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 01:24:05,789 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:24:05,791 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:24:06,860 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:24:07,148 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:24:07,148 INFO L309 CfgBuilder]: Removed 19 assume(true) statements. [2023-12-03 01:24:07,150 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:24:07 BoogieIcfgContainer [2023-12-03 01:24:07,150 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:24:07,151 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:24:07,151 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:24:07,161 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:24:07,161 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:24:07" (1/1) ... [2023-12-03 01:24:07,170 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:24:07,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:24:07,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 37 states and 60 transitions. [2023-12-03 01:24:07,225 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 60 transitions. [2023-12-03 01:24:07,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-03 01:24:07,230 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:24:07,230 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:24:07,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:24:07,233 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:24:07,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 01:24:07,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:07,947 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:24:08,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:08,206 INFO L262 TraceCheckSpWp]: Trace formula consists of 412 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 01:24:08,214 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:24:08,257 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-03 01:24:08,272 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 01:24:08,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:24:08,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 37 states and 59 transitions. [2023-12-03 01:24:08,405 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 59 transitions. [2023-12-03 01:24:08,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-03 01:24:08,406 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:24:08,407 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:24:08,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:24:08,408 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:24:08,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 01:24:09,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:09,080 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:24:09,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:09,330 INFO L262 TraceCheckSpWp]: Trace formula consists of 417 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 01:24:09,336 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:24:09,352 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-12-03 01:24:09,359 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 01:24:09,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:24:09,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 38 states and 60 transitions. [2023-12-03 01:24:09,408 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 60 transitions. [2023-12-03 01:24:09,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-03 01:24:09,409 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:24:09,409 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:24:09,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:24:09,411 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:24:09,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 01:24:10,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:10,016 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:24:10,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:10,233 INFO L262 TraceCheckSpWp]: Trace formula consists of 422 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 01:24:10,240 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:24:10,258 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 01:24:10,265 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-03 01:24:10,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:24:10,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 39 states and 61 transitions. [2023-12-03 01:24:10,335 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 61 transitions. [2023-12-03 01:24:10,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 01:24:10,336 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:24:10,336 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:24:10,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:24:10,337 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:24:10,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 01:24:10,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:10,959 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:24:11,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:11,141 INFO L262 TraceCheckSpWp]: Trace formula consists of 427 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 01:24:11,148 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:24:11,179 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 01:24:11,187 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-03 01:24:11,188 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 01:24:11,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:24:11,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 40 states and 62 transitions. [2023-12-03 01:24:11,257 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 62 transitions. [2023-12-03 01:24:11,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-03 01:24:11,258 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:24:11,258 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:24:11,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:24:11,260 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:24:11,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-03 01:24:11,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:11,875 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:24:12,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:12,080 INFO L262 TraceCheckSpWp]: Trace formula consists of 432 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 01:24:12,085 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:24:12,106 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-12-03 01:24:12,113 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-03 01:24:12,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:24:12,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 41 states and 63 transitions. [2023-12-03 01:24:12,184 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 63 transitions. [2023-12-03 01:24:12,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-03 01:24:12,185 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:24:12,185 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:24:12,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:24:12,186 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:24:12,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-03 01:24:12,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:12,822 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:24:13,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:13,032 INFO L262 TraceCheckSpWp]: Trace formula consists of 437 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 01:24:13,037 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:24:13,061 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-12-03 01:24:13,068 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-03 01:24:13,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:24:13,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 42 states and 63 transitions. [2023-12-03 01:24:13,139 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 63 transitions. [2023-12-03 01:24:13,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-12-03 01:24:13,140 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:24:13,140 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:24:13,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:24:13,141 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:24:13,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-03 01:24:13,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:13,729 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:24:13,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:13,908 INFO L262 TraceCheckSpWp]: Trace formula consists of 442 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:24:13,912 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:24:13,947 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-12-03 01:24:13,956 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2023-12-03 01:24:14,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:24:14,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 43 states and 64 transitions. [2023-12-03 01:24:14,035 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 64 transitions. [2023-12-03 01:24:14,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-12-03 01:24:14,036 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:24:14,036 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:24:14,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:24:14,037 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:24:14,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-03 01:24:14,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:14,688 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:24:14,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:14,887 INFO L262 TraceCheckSpWp]: Trace formula consists of 447 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-03 01:24:14,890 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:24:14,924 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-12-03 01:24:14,931 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-03 01:24:15,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:24:15,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 44 states and 64 transitions. [2023-12-03 01:24:15,030 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 64 transitions. [2023-12-03 01:24:15,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-03 01:24:15,031 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:24:15,032 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:24:15,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:24:15,033 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:24:15,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-03 01:24:15,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:15,741 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:24:15,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:15,946 INFO L262 TraceCheckSpWp]: Trace formula consists of 452 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:24:15,950 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:24:15,986 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-12-03 01:24:15,994 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-03 01:24:16,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:24:16,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 45 states and 65 transitions. [2023-12-03 01:24:16,118 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 65 transitions. [2023-12-03 01:24:16,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 01:24:16,119 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:24:16,119 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:24:16,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:24:16,121 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:24:16,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-03 01:24:16,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:16,768 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:24:16,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:16,990 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-03 01:24:16,993 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:24:17,030 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-12-03 01:24:17,040 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-03 01:24:17,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:24:17,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 46 states and 65 transitions. [2023-12-03 01:24:17,144 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 65 transitions. [2023-12-03 01:24:17,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-12-03 01:24:17,145 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:24:17,145 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:24:17,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:24:17,146 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:24:17,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-03 01:24:17,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:17,867 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:24:18,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:18,071 INFO L262 TraceCheckSpWp]: Trace formula consists of 462 conjuncts, 22 conjunts are in the unsatisfiable core [2023-12-03 01:24:18,075 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:24:18,700 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-12-03 01:24:18,710 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-03 01:24:21,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:24:21,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 58 states and 85 transitions. [2023-12-03 01:24:21,893 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 85 transitions. [2023-12-03 01:24:21,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-12-03 01:24:21,894 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:24:21,894 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:24:21,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:24:21,895 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:24:21,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-03 01:24:23,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:23,316 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:24:23,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:23,878 INFO L262 TraceCheckSpWp]: Trace formula consists of 1518 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 01:24:23,883 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:24:24,014 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2023-12-03 01:24:24,032 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2023-12-03 01:24:24,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:24:24,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 59 states and 86 transitions. [2023-12-03 01:24:24,419 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 86 transitions. [2023-12-03 01:24:24,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-03 01:24:24,421 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:24:24,421 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:24:24,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:24:24,422 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:24:24,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-03 01:24:25,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:25,789 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:24:26,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:26,259 INFO L262 TraceCheckSpWp]: Trace formula consists of 1523 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 01:24:26,265 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:24:26,401 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-12-03 01:24:26,418 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2023-12-03 01:24:26,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:24:26,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 60 states and 87 transitions. [2023-12-03 01:24:26,592 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 87 transitions. [2023-12-03 01:24:26,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-12-03 01:24:26,593 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:24:26,593 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:24:26,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:24:26,594 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:24:26,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-03 01:24:27,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:27,915 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:24:28,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:28,334 INFO L262 TraceCheckSpWp]: Trace formula consists of 1528 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 01:24:28,339 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:24:28,487 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-03 01:24:28,505 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2023-12-03 01:24:28,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:24:28,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 61 states and 88 transitions. [2023-12-03 01:24:28,718 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 88 transitions. [2023-12-03 01:24:28,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-12-03 01:24:28,719 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:24:28,719 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:24:28,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:24:28,720 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:24:28,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-03 01:24:30,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:30,078 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:24:30,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:30,486 INFO L262 TraceCheckSpWp]: Trace formula consists of 1533 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 01:24:30,491 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:24:30,635 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-12-03 01:24:30,654 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2023-12-03 01:24:30,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:24:30,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2023-12-03 01:24:30,864 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2023-12-03 01:24:30,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-12-03 01:24:30,865 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:24:30,865 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:24:30,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:24:30,866 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:24:30,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-03 01:24:32,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:32,310 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:24:32,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:32,764 INFO L262 TraceCheckSpWp]: Trace formula consists of 1538 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 01:24:32,769 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:24:32,972 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2023-12-03 01:24:32,992 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2023-12-03 01:24:33,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:24:33,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 63 states and 90 transitions. [2023-12-03 01:24:33,251 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 90 transitions. [2023-12-03 01:24:33,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-12-03 01:24:33,252 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:24:33,252 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:24:33,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:24:33,253 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:24:33,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-03 01:24:34,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:34,694 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:24:35,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:35,101 INFO L262 TraceCheckSpWp]: Trace formula consists of 1543 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 01:24:35,106 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:24:35,306 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2023-12-03 01:24:35,326 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2023-12-03 01:24:35,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:24:35,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 64 states and 91 transitions. [2023-12-03 01:24:35,620 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 91 transitions. [2023-12-03 01:24:35,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-12-03 01:24:35,621 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:24:35,621 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:24:35,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:24:35,622 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:24:35,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-12-03 01:24:37,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:37,089 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:24:37,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:37,547 INFO L262 TraceCheckSpWp]: Trace formula consists of 1548 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 01:24:37,551 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:24:37,734 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2023-12-03 01:24:37,755 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2023-12-03 01:24:37,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:24:38,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 65 states and 92 transitions. [2023-12-03 01:24:38,000 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 92 transitions. [2023-12-03 01:24:38,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-12-03 01:24:38,001 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:24:38,001 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:24:38,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:24:38,002 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:24:38,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-03 01:24:39,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:39,518 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:24:39,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:39,939 INFO L262 TraceCheckSpWp]: Trace formula consists of 1553 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 01:24:39,943 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:24:40,144 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2023-12-03 01:24:40,164 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2023-12-03 01:24:40,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:24:40,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 66 states and 93 transitions. [2023-12-03 01:24:40,406 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 93 transitions. [2023-12-03 01:24:40,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-12-03 01:24:40,407 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:24:40,407 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:24:40,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:24:40,408 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:24:40,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-12-03 01:24:41,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:41,965 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:24:42,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:42,443 INFO L262 TraceCheckSpWp]: Trace formula consists of 1558 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 01:24:42,447 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:24:42,661 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2023-12-03 01:24:42,684 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Forceful destruction successful, exit code 0 [2023-12-03 01:24:42,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:24:42,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 67 states and 94 transitions. [2023-12-03 01:24:42,939 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 94 transitions. [2023-12-03 01:24:42,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 01:24:42,939 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:24:42,940 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:24:42,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:24:42,941 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:24:42,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-12-03 01:24:44,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:44,506 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:24:44,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:44,949 INFO L262 TraceCheckSpWp]: Trace formula consists of 1563 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 01:24:44,953 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:24:45,213 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-12-03 01:24:45,236 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2023-12-03 01:24:45,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:24:45,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 68 states and 95 transitions. [2023-12-03 01:24:45,488 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 95 transitions. [2023-12-03 01:24:45,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 01:24:45,488 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:24:45,488 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:24:45,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:24:45,489 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:24:45,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-12-03 01:24:47,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:47,038 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:24:47,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:47,487 INFO L262 TraceCheckSpWp]: Trace formula consists of 1568 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 01:24:47,491 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:24:47,712 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2023-12-03 01:24:47,735 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2023-12-03 01:24:47,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:24:47,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 69 states and 96 transitions. [2023-12-03 01:24:47,997 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 96 transitions. [2023-12-03 01:24:47,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 01:24:47,998 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:24:47,998 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:24:47,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:24:47,999 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:24:48,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2023-12-03 01:24:49,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:49,601 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:24:50,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:50,037 INFO L262 TraceCheckSpWp]: Trace formula consists of 1573 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 01:24:50,041 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:24:50,263 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2023-12-03 01:24:50,286 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2023-12-03 01:24:50,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:24:50,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 70 states and 97 transitions. [2023-12-03 01:24:50,595 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 97 transitions. [2023-12-03 01:24:50,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-12-03 01:24:50,596 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:24:50,596 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:24:50,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:24:50,597 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:24:50,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2023-12-03 01:24:52,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:52,225 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:24:52,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:52,675 INFO L262 TraceCheckSpWp]: Trace formula consists of 1578 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 01:24:52,678 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:24:52,909 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2023-12-03 01:24:52,932 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2023-12-03 01:24:53,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:24:53,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 71 states and 98 transitions. [2023-12-03 01:24:53,169 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 98 transitions. [2023-12-03 01:24:53,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-12-03 01:24:53,170 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:24:53,170 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:24:53,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:24:53,171 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:24:53,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2023-12-03 01:24:54,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:54,872 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:24:55,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:55,311 INFO L262 TraceCheckSpWp]: Trace formula consists of 1583 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 01:24:55,314 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:24:55,554 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2023-12-03 01:24:55,579 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2023-12-03 01:24:55,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:24:55,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 72 states and 99 transitions. [2023-12-03 01:24:55,879 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 99 transitions. [2023-12-03 01:24:55,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-12-03 01:24:55,880 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:24:55,880 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:24:55,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:24:55,881 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:24:55,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2023-12-03 01:24:57,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:57,589 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:24:58,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:58,053 INFO L262 TraceCheckSpWp]: Trace formula consists of 1588 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 01:24:58,057 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:24:58,288 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2023-12-03 01:24:58,313 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2023-12-03 01:24:58,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:24:58,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 73 states and 100 transitions. [2023-12-03 01:24:58,615 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 100 transitions. [2023-12-03 01:24:58,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-12-03 01:24:58,615 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:24:58,615 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:24:58,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:24:58,616 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:24:58,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2023-12-03 01:25:00,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:00,240 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:25:00,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:00,684 INFO L262 TraceCheckSpWp]: Trace formula consists of 1593 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 01:25:00,688 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:25:00,943 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2023-12-03 01:25:00,969 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2023-12-03 01:25:01,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:25:01,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 74 states and 100 transitions. [2023-12-03 01:25:01,614 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 100 transitions. [2023-12-03 01:25:01,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-12-03 01:25:01,614 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:25:01,615 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:25:01,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:25:01,615 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:25:01,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2023-12-03 01:25:03,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:03,299 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:25:03,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:03,772 INFO L262 TraceCheckSpWp]: Trace formula consists of 1598 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 01:25:03,776 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:25:04,032 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2023-12-03 01:25:04,058 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2023-12-03 01:25:04,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:25:04,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 75 states and 100 transitions. [2023-12-03 01:25:04,704 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 100 transitions. [2023-12-03 01:25:04,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-12-03 01:25:04,705 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:25:04,705 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:25:04,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:25:04,706 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:25:04,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2023-12-03 01:25:06,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:06,495 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:25:06,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:06,957 INFO L262 TraceCheckSpWp]: Trace formula consists of 1603 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 01:25:06,960 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:25:07,225 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2023-12-03 01:25:07,252 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2023-12-03 01:25:07,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:25:07,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 76 states and 100 transitions. [2023-12-03 01:25:07,950 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 100 transitions. [2023-12-03 01:25:07,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-12-03 01:25:07,951 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:25:07,951 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:25:07,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:25:07,952 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:25:07,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2023-12-03 01:25:09,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:09,743 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:25:10,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:10,221 INFO L262 TraceCheckSpWp]: Trace formula consists of 1608 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 01:25:10,225 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:25:10,477 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2023-12-03 01:25:10,504 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2023-12-03 01:25:11,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:25:11,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 77 states and 100 transitions. [2023-12-03 01:25:11,245 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 100 transitions. [2023-12-03 01:25:11,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-12-03 01:25:11,246 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:25:11,246 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:25:11,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:25:11,247 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:25:11,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2023-12-03 01:25:13,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:13,200 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:25:13,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:13,673 INFO L262 TraceCheckSpWp]: Trace formula consists of 1613 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 01:25:13,676 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:25:13,971 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2023-12-03 01:25:14,002 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2023-12-03 01:25:14,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:25:14,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 78 states and 101 transitions. [2023-12-03 01:25:14,824 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 101 transitions. [2023-12-03 01:25:14,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-12-03 01:25:14,825 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:25:14,825 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:25:14,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:25:14,826 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:25:14,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2023-12-03 01:25:16,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:16,697 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:25:17,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:17,189 INFO L262 TraceCheckSpWp]: Trace formula consists of 1618 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 01:25:17,193 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:25:17,489 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2023-12-03 01:25:17,519 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Forceful destruction successful, exit code 0 [2023-12-03 01:25:18,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:25:18,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 79 states and 102 transitions. [2023-12-03 01:25:18,308 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 102 transitions. [2023-12-03 01:25:18,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-12-03 01:25:18,309 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:25:18,309 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:25:18,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:25:18,310 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:25:18,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2023-12-03 01:25:20,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:20,357 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:25:20,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:20,865 INFO L262 TraceCheckSpWp]: Trace formula consists of 1623 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 01:25:20,870 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:25:21,183 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2023-12-03 01:25:21,220 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Forceful destruction successful, exit code 0 [2023-12-03 01:25:22,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:25:22,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 80 states and 103 transitions. [2023-12-03 01:25:22,065 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 103 transitions. [2023-12-03 01:25:22,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-12-03 01:25:22,066 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:25:22,066 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:25:22,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:25:22,067 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:25:22,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2023-12-03 01:25:24,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:24,015 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:25:24,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:24,462 INFO L262 TraceCheckSpWp]: Trace formula consists of 1628 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 01:25:24,466 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:25:24,765 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2023-12-03 01:25:24,797 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2023-12-03 01:25:25,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:25:25,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 81 states and 104 transitions. [2023-12-03 01:25:25,631 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 104 transitions. [2023-12-03 01:25:25,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-12-03 01:25:25,632 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:25:25,632 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:25:25,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:25:25,633 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:25:25,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2023-12-03 01:25:27,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:27,644 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:25:28,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:28,099 INFO L262 TraceCheckSpWp]: Trace formula consists of 1633 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 01:25:28,102 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:25:28,449 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2023-12-03 01:25:28,481 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2023-12-03 01:25:29,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:25:29,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 82 states and 105 transitions. [2023-12-03 01:25:29,399 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 105 transitions. [2023-12-03 01:25:29,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-12-03 01:25:29,399 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:25:29,399 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:25:29,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:25:29,400 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:25:29,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2023-12-03 01:25:31,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:31,488 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:25:31,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:32,035 INFO L262 TraceCheckSpWp]: Trace formula consists of 1638 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 01:25:32,039 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:25:32,388 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2023-12-03 01:25:32,421 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2023-12-03 01:25:33,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:25:33,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 83 states and 105 transitions. [2023-12-03 01:25:33,337 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 105 transitions. [2023-12-03 01:25:33,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 01:25:33,337 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:25:33,337 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:25:33,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:25:33,339 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:25:33,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2023-12-03 01:25:35,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:35,524 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:25:35,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:36,029 INFO L262 TraceCheckSpWp]: Trace formula consists of 1643 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 01:25:36,033 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:25:36,374 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2023-12-03 01:25:36,408 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2023-12-03 01:25:37,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:25:37,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 84 states and 106 transitions. [2023-12-03 01:25:37,365 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 106 transitions. [2023-12-03 01:25:37,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-12-03 01:25:37,365 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:25:37,366 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:25:37,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:25:37,367 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:25:37,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2023-12-03 01:25:39,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:39,568 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:25:40,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:40,079 INFO L262 TraceCheckSpWp]: Trace formula consists of 1648 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 01:25:40,083 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:25:40,435 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2023-12-03 01:25:40,468 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2023-12-03 01:25:41,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:25:41,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 85 states and 106 transitions. [2023-12-03 01:25:41,380 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 106 transitions. [2023-12-03 01:25:41,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-12-03 01:25:41,381 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:25:41,381 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:25:41,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:25:41,382 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:25:41,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2023-12-03 01:25:43,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:43,627 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:25:44,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:44,183 INFO L262 TraceCheckSpWp]: Trace formula consists of 1653 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 01:25:44,189 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:25:44,554 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2023-12-03 01:25:44,589 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2023-12-03 01:25:45,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:25:45,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 86 states and 107 transitions. [2023-12-03 01:25:45,662 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 107 transitions. [2023-12-03 01:25:45,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-12-03 01:25:45,663 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:25:45,663 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:25:45,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:25:45,664 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:25:45,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2023-12-03 01:25:47,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:47,929 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:25:48,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:48,406 INFO L262 TraceCheckSpWp]: Trace formula consists of 1658 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 01:25:48,410 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:25:48,762 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2023-12-03 01:25:48,798 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2023-12-03 01:25:49,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:25:49,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 87 states and 108 transitions. [2023-12-03 01:25:49,778 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 108 transitions. [2023-12-03 01:25:49,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-12-03 01:25:49,778 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:25:49,779 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:25:49,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:25:49,780 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:25:49,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2023-12-03 01:25:52,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:52,079 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:25:52,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:52,570 INFO L262 TraceCheckSpWp]: Trace formula consists of 1663 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 01:25:52,574 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:25:52,941 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 01:25:52,979 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2023-12-03 01:25:53,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:25:54,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 88 states and 109 transitions. [2023-12-03 01:25:54,000 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 109 transitions. [2023-12-03 01:25:54,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-12-03 01:25:54,001 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:25:54,001 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:25:54,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:25:54,002 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:25:54,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2023-12-03 01:25:56,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:56,243 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:25:56,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:56,762 INFO L262 TraceCheckSpWp]: Trace formula consists of 1668 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:25:56,766 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:25:57,164 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 62 proven. 3 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 01:25:57,201 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2023-12-03 01:25:58,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:25:58,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 89 states and 110 transitions. [2023-12-03 01:25:58,310 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 110 transitions. [2023-12-03 01:25:58,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-03 01:25:58,311 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:25:58,311 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:25:58,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:25:58,312 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:25:58,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2023-12-03 01:26:00,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:00,630 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:26:01,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:01,202 INFO L262 TraceCheckSpWp]: Trace formula consists of 1673 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-03 01:26:01,205 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:26:01,626 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 62 proven. 6 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 01:26:01,664 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2023-12-03 01:26:02,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:26:02,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 90 states and 110 transitions. [2023-12-03 01:26:02,775 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 110 transitions. [2023-12-03 01:26:02,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-12-03 01:26:02,776 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:26:02,776 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:26:02,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:26:02,777 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:26:02,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2023-12-03 01:26:05,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:05,071 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:26:05,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:05,616 INFO L262 TraceCheckSpWp]: Trace formula consists of 1678 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:26:05,620 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:26:06,022 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 62 proven. 3 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-12-03 01:26:06,061 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2023-12-03 01:26:07,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:26:07,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 91 states and 111 transitions. [2023-12-03 01:26:07,065 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 111 transitions. [2023-12-03 01:26:07,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-12-03 01:26:07,066 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:26:07,066 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:26:07,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:26:07,067 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:26:07,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2023-12-03 01:26:09,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:09,454 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:26:09,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:09,981 INFO L262 TraceCheckSpWp]: Trace formula consists of 1683 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-03 01:26:09,985 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:26:10,429 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 62 proven. 6 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-12-03 01:26:10,468 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2023-12-03 01:26:11,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:26:11,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 92 states and 111 transitions. [2023-12-03 01:26:11,644 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 111 transitions. [2023-12-03 01:26:11,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-12-03 01:26:11,645 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:26:11,645 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:26:11,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:26:11,646 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:26:11,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2023-12-03 01:26:14,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:14,180 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:26:14,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:14,719 INFO L262 TraceCheckSpWp]: Trace formula consists of 1688 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:26:14,723 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:26:15,160 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 62 proven. 3 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2023-12-03 01:26:15,200 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2023-12-03 01:26:16,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:26:16,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 93 states and 112 transitions. [2023-12-03 01:26:16,406 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 112 transitions. [2023-12-03 01:26:16,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-12-03 01:26:16,407 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:26:16,407 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:26:16,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:26:16,408 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:26:16,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2023-12-03 01:26:18,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:18,729 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:26:19,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:19,274 INFO L262 TraceCheckSpWp]: Trace formula consists of 1693 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-03 01:26:19,278 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:26:19,714 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 62 proven. 6 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2023-12-03 01:26:19,755 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2023-12-03 01:26:20,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:26:20,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 94 states and 112 transitions. [2023-12-03 01:26:20,957 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 112 transitions. [2023-12-03 01:26:20,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-12-03 01:26:20,958 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:26:20,958 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:26:20,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:26:20,959 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:26:20,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2023-12-03 01:26:23,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:23,483 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:26:24,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:24,058 INFO L262 TraceCheckSpWp]: Trace formula consists of 1698 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:26:24,062 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:26:24,519 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 62 proven. 3 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2023-12-03 01:26:24,561 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2023-12-03 01:26:25,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:26:25,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 95 states and 113 transitions. [2023-12-03 01:26:25,785 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 113 transitions. [2023-12-03 01:26:25,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-12-03 01:26:25,786 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:26:25,786 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:26:25,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:26:25,787 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:26:25,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2023-12-03 01:26:28,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:28,276 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:26:28,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:28,771 INFO L262 TraceCheckSpWp]: Trace formula consists of 1703 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-03 01:26:28,775 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:26:29,243 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 62 proven. 6 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2023-12-03 01:26:29,286 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2023-12-03 01:26:30,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:26:30,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 96 states and 113 transitions. [2023-12-03 01:26:30,529 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 113 transitions. [2023-12-03 01:26:30,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-12-03 01:26:30,529 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:26:30,530 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:26:30,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:26:30,530 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:26:30,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2023-12-03 01:26:33,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:33,157 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:26:33,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:33,708 INFO L262 TraceCheckSpWp]: Trace formula consists of 1708 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:26:33,712 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:26:34,188 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 62 proven. 3 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2023-12-03 01:26:34,231 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2023-12-03 01:26:35,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:26:35,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 97 states and 114 transitions. [2023-12-03 01:26:35,496 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 114 transitions. [2023-12-03 01:26:35,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-03 01:26:35,496 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:26:35,496 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:26:35,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:26:35,497 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:26:35,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2023-12-03 01:26:38,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:38,081 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:26:38,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:38,611 INFO L262 TraceCheckSpWp]: Trace formula consists of 1713 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-03 01:26:38,615 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:26:39,086 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 62 proven. 6 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2023-12-03 01:26:39,130 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2023-12-03 01:26:40,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:26:40,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 98 states and 114 transitions. [2023-12-03 01:26:40,464 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 114 transitions. [2023-12-03 01:26:40,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-12-03 01:26:40,465 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:26:40,465 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:26:40,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:26:40,466 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:26:40,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2023-12-03 01:26:42,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:42,985 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:26:43,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:43,530 INFO L262 TraceCheckSpWp]: Trace formula consists of 1718 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:26:43,534 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:26:43,980 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 62 proven. 3 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2023-12-03 01:26:44,026 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2023-12-03 01:26:45,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:26:45,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 99 states and 115 transitions. [2023-12-03 01:26:45,271 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 115 transitions. [2023-12-03 01:26:45,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-12-03 01:26:45,271 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:26:45,271 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:26:45,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:26:45,272 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:26:45,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2023-12-03 01:26:48,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:48,028 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:26:48,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:48,535 INFO L262 TraceCheckSpWp]: Trace formula consists of 1723 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-03 01:26:48,539 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:26:49,035 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 62 proven. 6 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2023-12-03 01:26:49,079 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2023-12-03 01:26:50,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:26:50,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 100 states and 115 transitions. [2023-12-03 01:26:50,372 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 115 transitions. [2023-12-03 01:26:50,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-12-03 01:26:50,373 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:26:50,373 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:26:50,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:26:50,374 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:26:50,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2023-12-03 01:26:53,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:53,197 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:26:53,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:53,727 INFO L262 TraceCheckSpWp]: Trace formula consists of 1728 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:26:53,731 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:26:54,249 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 62 proven. 3 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2023-12-03 01:26:54,294 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2023-12-03 01:26:55,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:26:55,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 101 states and 116 transitions. [2023-12-03 01:26:55,696 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 116 transitions. [2023-12-03 01:26:55,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-12-03 01:26:55,697 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:26:55,698 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:26:55,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:26:55,699 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:26:55,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2023-12-03 01:26:58,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:58,613 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:26:59,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:59,170 INFO L262 TraceCheckSpWp]: Trace formula consists of 1733 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-03 01:26:59,174 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:26:59,725 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 62 proven. 6 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2023-12-03 01:26:59,755 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Ended with exit code 0 [2023-12-03 01:27:01,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:27:01,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 102 states and 116 transitions. [2023-12-03 01:27:01,172 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 116 transitions. [2023-12-03 01:27:01,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-12-03 01:27:01,172 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:27:01,172 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:27:01,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:27:01,173 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:27:01,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2023-12-03 01:27:03,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:27:03,798 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:27:04,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:27:04,355 INFO L262 TraceCheckSpWp]: Trace formula consists of 1738 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:27:04,359 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:27:04,900 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 62 proven. 3 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2023-12-03 01:27:04,931 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2023-12-03 01:27:06,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:27:06,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 103 states and 117 transitions. [2023-12-03 01:27:06,282 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 117 transitions. [2023-12-03 01:27:06,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-12-03 01:27:06,282 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:27:06,283 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:27:06,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:27:06,284 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:27:06,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2023-12-03 01:27:09,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:27:09,218 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:27:09,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:27:09,765 INFO L262 TraceCheckSpWp]: Trace formula consists of 1743 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-03 01:27:09,769 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:27:10,297 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 62 proven. 6 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2023-12-03 01:27:10,329 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2023-12-03 01:27:11,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:27:11,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 104 states and 117 transitions. [2023-12-03 01:27:11,801 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 117 transitions. [2023-12-03 01:27:11,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-12-03 01:27:11,802 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:27:11,802 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:27:11,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:27:11,803 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:27:11,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2023-12-03 01:27:14,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:27:14,716 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:27:15,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:27:15,287 INFO L262 TraceCheckSpWp]: Trace formula consists of 1748 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:27:15,293 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:27:15,819 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 62 proven. 3 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2023-12-03 01:27:15,850 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Ended with exit code 0 [2023-12-03 01:27:17,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:27:17,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 105 states and 118 transitions. [2023-12-03 01:27:17,305 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 118 transitions. [2023-12-03 01:27:17,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2023-12-03 01:27:17,306 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:27:17,306 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:27:17,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:27:17,307 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:27:17,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2023-12-03 01:27:20,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:27:20,316 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:27:20,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:27:20,880 INFO L262 TraceCheckSpWp]: Trace formula consists of 1753 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-03 01:27:20,885 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:27:21,457 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 62 proven. 6 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2023-12-03 01:27:21,488 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Ended with exit code 0 [2023-12-03 01:27:23,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:27:23,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 106 states and 118 transitions. [2023-12-03 01:27:23,003 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 118 transitions. [2023-12-03 01:27:23,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-12-03 01:27:23,003 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:27:23,004 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:27:23,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:27:23,005 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:27:23,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2023-12-03 01:27:26,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:27:26,901 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:27:27,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:27:27,542 INFO L262 TraceCheckSpWp]: Trace formula consists of 1758 conjuncts, 47 conjunts are in the unsatisfiable core [2023-12-03 01:27:27,548 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:27:33,085 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 4 proven. 20 refuted. 0 times theorem prover too weak. 209 trivial. 0 not checked. [2023-12-03 01:27:33,117 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab10920-ddf7-40c4-b278-1098d1372b9f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Forceful destruction successful, exit code 0