./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.3_overflow.ufo.UNBOUNDED.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_9fec2e91-48a6-498f-b8e5-e70dea8b7d05/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fec2e91-48a6-498f-b8e5-e70dea8b7d05/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_9fec2e91-48a6-498f-b8e5-e70dea8b7d05/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fec2e91-48a6-498f-b8e5-e70dea8b7d05/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.3_overflow.ufo.UNBOUNDED.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fec2e91-48a6-498f-b8e5-e70dea8b7d05/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fec2e91-48a6-498f-b8e5-e70dea8b7d05/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 32bit --witnessprinter.graph.data.programhash e5878b7d2af5fd4b66050c0dbed52215fb6ea8477622dc26391a98be7bc7f1ca --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:47:20,157 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:47:20,231 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fec2e91-48a6-498f-b8e5-e70dea8b7d05/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 00:47:20,237 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 00:47:20,238 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 00:47:20,263 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:47:20,264 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:47:20,265 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:47:20,266 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:47:20,266 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:47:20,267 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:47:20,268 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:47:20,268 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 00:47:20,269 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 00:47:20,269 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 00:47:20,270 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:47:20,271 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:47:20,271 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:47:20,272 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:47:20,272 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 00:47:20,273 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:47:20,274 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:47:20,274 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:47:20,275 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:47:20,276 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:47:20,276 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:47:20,277 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:47:20,277 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:47:20,278 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:47:20,278 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:47:20,278 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 00:47:20,279 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 00:47:20,279 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:47:20,279 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_9fec2e91-48a6-498f-b8e5-e70dea8b7d05/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fec2e91-48a6-498f-b8e5-e70dea8b7d05/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e5878b7d2af5fd4b66050c0dbed52215fb6ea8477622dc26391a98be7bc7f1ca [2023-12-03 00:47:20,554 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:47:20,596 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:47:20,599 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:47:20,601 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:47:20,601 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:47:20,603 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fec2e91-48a6-498f-b8e5-e70dea8b7d05/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/seq-mthreaded/pals_lcr.3_overflow.ufo.UNBOUNDED.pals.c [2023-12-03 00:47:23,822 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:47:24,050 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:47:24,050 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fec2e91-48a6-498f-b8e5-e70dea8b7d05/sv-benchmarks/c/seq-mthreaded/pals_lcr.3_overflow.ufo.UNBOUNDED.pals.c [2023-12-03 00:47:24,062 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fec2e91-48a6-498f-b8e5-e70dea8b7d05/bin/ukojak-verify-Qdu7aM0XO9/data/2c9919d50/88df3da9af40448b91574730f536675e/FLAGaf85caffe [2023-12-03 00:47:24,080 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fec2e91-48a6-498f-b8e5-e70dea8b7d05/bin/ukojak-verify-Qdu7aM0XO9/data/2c9919d50/88df3da9af40448b91574730f536675e [2023-12-03 00:47:24,083 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:47:24,085 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:47:24,086 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:47:24,087 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:47:24,093 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:47:24,094 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:47:24" (1/1) ... [2023-12-03 00:47:24,095 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26e12e5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:47:24, skipping insertion in model container [2023-12-03 00:47:24,095 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:47:24" (1/1) ... [2023-12-03 00:47:24,136 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:47:24,363 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_9fec2e91-48a6-498f-b8e5-e70dea8b7d05/sv-benchmarks/c/seq-mthreaded/pals_lcr.3_overflow.ufo.UNBOUNDED.pals.c[6117,6130] [2023-12-03 00:47:24,369 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:47:24,382 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:47:24,427 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_9fec2e91-48a6-498f-b8e5-e70dea8b7d05/sv-benchmarks/c/seq-mthreaded/pals_lcr.3_overflow.ufo.UNBOUNDED.pals.c[6117,6130] [2023-12-03 00:47:24,427 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:47:24,444 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:47:24,444 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:47:24 WrapperNode [2023-12-03 00:47:24,444 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:47:24,446 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:47:24,446 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:47:24,446 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:47:24,454 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:47:24" (1/1) ... [2023-12-03 00:47:24,463 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:47:24" (1/1) ... [2023-12-03 00:47:24,492 INFO L138 Inliner]: procedures = 23, calls = 14, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 217 [2023-12-03 00:47:24,492 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:47:24,493 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:47:24,493 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:47:24,493 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:47:24,501 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:47:24" (1/1) ... [2023-12-03 00:47:24,501 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:47:24" (1/1) ... [2023-12-03 00:47:24,504 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:47:24" (1/1) ... [2023-12-03 00:47:24,505 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:47:24" (1/1) ... [2023-12-03 00:47:24,513 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:47:24" (1/1) ... [2023-12-03 00:47:24,519 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:47:24" (1/1) ... [2023-12-03 00:47:24,522 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:47:24" (1/1) ... [2023-12-03 00:47:24,524 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:47:24" (1/1) ... [2023-12-03 00:47:24,528 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:47:24,529 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:47:24,529 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:47:24,530 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:47:24,531 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:47:24" (1/1) ... [2023-12-03 00:47:24,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:47:24,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fec2e91-48a6-498f-b8e5-e70dea8b7d05/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:47:24,564 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fec2e91-48a6-498f-b8e5-e70dea8b7d05/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:47:24,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fec2e91-48a6-498f-b8e5-e70dea8b7d05/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:47:24,597 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:47:24,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 00:47:24,598 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:47:24,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:47:24,682 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:47:24,685 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:47:25,001 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:47:25,251 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:47:25,252 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 00:47:25,253 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:47:25 BoogieIcfgContainer [2023-12-03 00:47:25,254 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:47:25,254 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:47:25,255 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:47:25,266 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:47:25,267 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:47:25" (1/1) ... [2023-12-03 00:47:25,277 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:47:25,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:47:25,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2023-12-03 00:47:25,336 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2023-12-03 00:47:25,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-03 00:47:25,339 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:47:25,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:47:25,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:26,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:47:26,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:47:26,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2023-12-03 00:47:26,359 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2023-12-03 00:47:26,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 00:47:26,359 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:47:26,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:47:26,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:26,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:47:27,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:47:27,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 16 states and 24 transitions. [2023-12-03 00:47:27,029 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 24 transitions. [2023-12-03 00:47:27,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 00:47:27,029 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:47:27,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:47:27,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:27,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:47:28,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:47:28,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 20 states and 31 transitions. [2023-12-03 00:47:28,197 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 31 transitions. [2023-12-03 00:47:28,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 00:47:28,199 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:47:28,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:47:28,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:28,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:47:28,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:47:28,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 23 states and 36 transitions. [2023-12-03 00:47:28,918 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 36 transitions. [2023-12-03 00:47:28,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-03 00:47:28,918 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:47:28,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:47:29,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:32,722 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:47:36,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:47:36,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 33 states and 56 transitions. [2023-12-03 00:47:36,905 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 56 transitions. [2023-12-03 00:47:36,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 00:47:36,906 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:47:36,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:47:36,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:39,230 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:47:44,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:47:44,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 42 states and 71 transitions. [2023-12-03 00:47:44,461 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 71 transitions. [2023-12-03 00:47:44,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 00:47:44,462 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:47:44,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:47:44,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:44,888 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:47:47,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:47:47,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 50 states and 88 transitions. [2023-12-03 00:47:47,933 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 88 transitions. [2023-12-03 00:47:47,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 00:47:47,938 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:47:47,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:47:48,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:50,031 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:47:51,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:47:51,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 52 states and 92 transitions. [2023-12-03 00:47:51,032 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 92 transitions. [2023-12-03 00:47:51,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:47:51,034 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:47:51,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:47:51,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:52,377 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:47:59,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:47:59,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 63 states and 125 transitions. [2023-12-03 00:47:59,166 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 125 transitions. [2023-12-03 00:47:59,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 00:47:59,168 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:47:59,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:47:59,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:00,671 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:48:07,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:48:07,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 74 states and 150 transitions. [2023-12-03 00:48:07,613 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 150 transitions. [2023-12-03 00:48:07,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 00:48:07,614 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:48:07,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:48:07,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:08,177 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:48:09,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:48:09,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 76 states and 158 transitions. [2023-12-03 00:48:09,393 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 158 transitions. [2023-12-03 00:48:09,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 00:48:09,394 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:48:09,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:48:09,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:10,002 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:48:13,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:48:13,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 84 states and 174 transitions. [2023-12-03 00:48:13,856 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 174 transitions. [2023-12-03 00:48:13,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 00:48:13,857 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:48:13,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:48:13,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:14,884 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:48:18,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:48:18,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 89 states and 183 transitions. [2023-12-03 00:48:18,120 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 183 transitions. [2023-12-03 00:48:18,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 00:48:18,121 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:48:18,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:48:18,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:20,147 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:48:23,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:48:23,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 94 states and 191 transitions. [2023-12-03 00:48:23,727 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 191 transitions. [2023-12-03 00:48:23,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 00:48:23,728 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:48:23,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:48:23,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:24,041 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:48:24,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:48:24,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 95 states and 195 transitions. [2023-12-03 00:48:24,959 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 195 transitions. [2023-12-03 00:48:24,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 00:48:24,960 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:48:24,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:48:24,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:26,296 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:48:27,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:48:27,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 96 states and 198 transitions. [2023-12-03 00:48:27,877 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 198 transitions. [2023-12-03 00:48:27,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 00:48:27,878 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:48:27,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:48:27,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:29,826 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:48:34,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:48:34,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 102 states and 209 transitions. [2023-12-03 00:48:34,852 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 209 transitions. [2023-12-03 00:48:34,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 00:48:34,853 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:48:34,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:48:34,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:35,223 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:48:36,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:48:36,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 103 states and 212 transitions. [2023-12-03 00:48:36,020 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 212 transitions. [2023-12-03 00:48:36,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 00:48:36,020 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:48:36,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:48:36,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:36,362 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 00:48:37,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:48:37,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 103 states and 211 transitions. [2023-12-03 00:48:37,091 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 211 transitions. [2023-12-03 00:48:37,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 00:48:37,091 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:48:37,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:48:37,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:52,745 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:49:40,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:49:40,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 129 states and 281 transitions. [2023-12-03 00:49:40,612 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 281 transitions. [2023-12-03 00:49:40,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 00:49:40,613 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:49:40,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:49:40,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:49:57,664 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:51:14,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:51:14,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 154 states and 361 transitions. [2023-12-03 00:51:14,419 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 361 transitions. [2023-12-03 00:51:14,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-03 00:51:14,419 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:51:14,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:51:14,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:15,483 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 9 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:51:27,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:51:27,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 162 states and 382 transitions. [2023-12-03 00:51:27,190 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 382 transitions. [2023-12-03 00:51:27,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-03 00:51:27,191 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:51:27,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:51:27,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:20,503 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:53:45,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:53:45,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 189 states and 446 transitions. [2023-12-03 00:53:45,168 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 446 transitions. [2023-12-03 00:53:45,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-03 00:53:45,169 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:53:45,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:53:45,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:45,658 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 9 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:54:04,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:54:04,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 196 states and 463 transitions. [2023-12-03 00:54:04,394 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 463 transitions. [2023-12-03 00:54:04,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-03 00:54:04,395 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:54:04,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:54:04,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:26,867 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:56:04,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:56:04,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 222 states and 520 transitions. [2023-12-03 00:56:04,762 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 520 transitions. [2023-12-03 00:56:04,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-03 00:56:04,762 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:56:04,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:56:04,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:05,241 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 9 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:56:17,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:56:17,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 229 states and 534 transitions. [2023-12-03 00:56:17,834 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 534 transitions. [2023-12-03 00:56:17,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-03 00:56:17,835 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:56:17,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:56:17,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:47,421 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:58:25,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:58:25,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 253 states and 584 transitions. [2023-12-03 00:58:25,278 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 584 transitions. [2023-12-03 00:58:25,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-03 00:58:25,280 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:58:25,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:58:25,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:58:31,140 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 26 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:59:15,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:59:15,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 261 states and 639 transitions. [2023-12-03 00:59:15,265 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 639 transitions. [2023-12-03 00:59:15,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-03 00:59:15,266 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:59:15,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:59:15,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:59:23,616 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:00:27,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:00:27,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 709 states to 275 states and 709 transitions. [2023-12-03 01:00:27,387 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 709 transitions. [2023-12-03 01:00:27,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-03 01:00:27,388 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:00:27,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:00:27,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:00:36,336 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.