./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-programs/Problem101_label22.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37648b69-c0bf-43b8-a94c-855445dc3f2b/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37648b69-c0bf-43b8-a94c-855445dc3f2b/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_37648b69-c0bf-43b8-a94c-855445dc3f2b/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37648b69-c0bf-43b8-a94c-855445dc3f2b/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-programs/Problem101_label22.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37648b69-c0bf-43b8-a94c-855445dc3f2b/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_37648b69-c0bf-43b8-a94c-855445dc3f2b/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 ca399da5b4a23af58a4832e6e16185f9d21852755b27c97f0de04b20d5d51ce5 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:19:41,942 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:19:42,007 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37648b69-c0bf-43b8-a94c-855445dc3f2b/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 00:19:42,011 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 00:19:42,011 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 00:19:42,031 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:19:42,032 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:19:42,033 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:19:42,033 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:19:42,034 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:19:42,035 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:19:42,035 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:19:42,035 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 00:19:42,036 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 00:19:42,036 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 00:19:42,037 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:19:42,037 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:19:42,038 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:19:42,038 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:19:42,039 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 00:19:42,039 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:19:42,040 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:19:42,041 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:19:42,041 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:19:42,042 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:19:42,042 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:19:42,042 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:19:42,043 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:19:42,043 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:19:42,043 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:19:42,044 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 00:19:42,044 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 00:19:42,044 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:19:42,045 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_37648b69-c0bf-43b8-a94c-855445dc3f2b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37648b69-c0bf-43b8-a94c-855445dc3f2b/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ca399da5b4a23af58a4832e6e16185f9d21852755b27c97f0de04b20d5d51ce5 [2023-12-03 00:19:42,271 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:19:42,290 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:19:42,292 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:19:42,294 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:19:42,294 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:19:42,295 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37648b69-c0bf-43b8-a94c-855445dc3f2b/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/eca-programs/Problem101_label22.c [2023-12-03 00:19:44,995 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:19:46,401 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:19:46,402 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37648b69-c0bf-43b8-a94c-855445dc3f2b/sv-benchmarks/c/eca-programs/Problem101_label22.c [2023-12-03 00:19:46,621 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37648b69-c0bf-43b8-a94c-855445dc3f2b/bin/ukojak-verify-Qdu7aM0XO9/data/964e4081c/efa3edac41fd4122a923733a581fd91e/FLAGb1125983d [2023-12-03 00:19:46,633 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37648b69-c0bf-43b8-a94c-855445dc3f2b/bin/ukojak-verify-Qdu7aM0XO9/data/964e4081c/efa3edac41fd4122a923733a581fd91e [2023-12-03 00:19:46,635 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:19:46,636 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:19:46,637 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:19:46,637 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:19:46,642 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:19:46,642 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:19:46" (1/1) ... [2023-12-03 00:19:46,644 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39e40c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:19:46, skipping insertion in model container [2023-12-03 00:19:46,644 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:19:46" (1/1) ... [2023-12-03 00:19:47,450 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:19:58,559 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_37648b69-c0bf-43b8-a94c-855445dc3f2b/sv-benchmarks/c/eca-programs/Problem101_label22.c[2766967,2766980] [2023-12-03 00:19:58,634 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:19:58,644 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:20:05,370 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_37648b69-c0bf-43b8-a94c-855445dc3f2b/sv-benchmarks/c/eca-programs/Problem101_label22.c[2766967,2766980] [2023-12-03 00:20:05,381 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:20:06,204 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:20:06,205 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:20:06 WrapperNode [2023-12-03 00:20:06,205 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:20:06,206 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:20:06,206 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:20:06,206 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:20:06,211 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:20:06" (1/1) ... [2023-12-03 00:20:06,717 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:20:06" (1/1) ... [2023-12-03 00:20:08,231 INFO L138 Inliner]: procedures = 59, calls = 53, calls flagged for inlining = 48, calls inlined = 48, statements flattened = 83781 [2023-12-03 00:20:08,232 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:20:08,233 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:20:08,233 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:20:08,233 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:20:08,240 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:20:06" (1/1) ... [2023-12-03 00:20:08,240 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:20:06" (1/1) ... [2023-12-03 00:20:08,591 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:20:06" (1/1) ... [2023-12-03 00:20:08,591 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:20:06" (1/1) ... [2023-12-03 00:20:09,290 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:20:06" (1/1) ... [2023-12-03 00:20:09,426 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:20:06" (1/1) ... [2023-12-03 00:20:09,588 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:20:06" (1/1) ... [2023-12-03 00:20:09,685 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:20:06" (1/1) ... [2023-12-03 00:20:10,013 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:20:10,014 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:20:10,014 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:20:10,014 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:20:10,016 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:20:06" (1/1) ... [2023-12-03 00:20:10,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:20:10,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37648b69-c0bf-43b8-a94c-855445dc3f2b/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:20:10,063 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37648b69-c0bf-43b8-a94c-855445dc3f2b/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:20:10,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37648b69-c0bf-43b8-a94c-855445dc3f2b/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:20:10,098 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:20:10,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 00:20:10,098 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:20:10,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:20:10,235 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:20:10,237 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:20:48,620 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:20:49,760 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:20:49,760 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 00:20:49,767 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:20:49 BoogieIcfgContainer [2023-12-03 00:20:49,767 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:20:49,768 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:20:49,768 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:20:49,778 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:20:49,778 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:20:49" (1/1) ... [2023-12-03 00:20:49,787 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:20:49,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:20:50,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20217 states to 10135 states and 20217 transitions. [2023-12-03 00:20:50,001 INFO L276 IsEmpty]: Start isEmpty. Operand 10135 states and 20217 transitions. [2023-12-03 00:20:50,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10086 [2023-12-03 00:20:50,646 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:20:50,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:20:53,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:21:25,008 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 00:22:05,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:22:05,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35394 states to 20218 states and 35394 transitions. [2023-12-03 00:22:05,689 INFO L276 IsEmpty]: Start isEmpty. Operand 20218 states and 35394 transitions. [2023-12-03 00:22:06,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10090 [2023-12-03 00:22:06,165 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:22:06,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:22:07,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:22:29,544 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:22:31,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:22:31,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35399 states to 20221 states and 35399 transitions. [2023-12-03 00:22:31,124 INFO L276 IsEmpty]: Start isEmpty. Operand 20221 states and 35399 transitions. [2023-12-03 00:22:31,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10091 [2023-12-03 00:22:31,685 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:22:31,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:22:33,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:22:52,653 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:22:53,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:22:53,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35406 states to 20225 states and 35406 transitions. [2023-12-03 00:22:53,677 INFO L276 IsEmpty]: Start isEmpty. Operand 20225 states and 35406 transitions. [2023-12-03 00:22:54,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10094 [2023-12-03 00:22:54,219 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:22:54,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:22:55,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:23:16,135 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:23:16,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:23:16,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35409 states to 20228 states and 35409 transitions. [2023-12-03 00:23:16,981 INFO L276 IsEmpty]: Start isEmpty. Operand 20228 states and 35409 transitions. [2023-12-03 00:23:17,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10097 [2023-12-03 00:23:17,582 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:23:17,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:23:19,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:23:40,605 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:23:41,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:23:41,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35423 states to 20238 states and 35423 transitions. [2023-12-03 00:23:41,561 INFO L276 IsEmpty]: Start isEmpty. Operand 20238 states and 35423 transitions. [2023-12-03 00:23:42,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10098 [2023-12-03 00:23:42,236 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:23:42,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:23:43,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:24:04,821 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:24:05,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:24:05,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35424 states to 20239 states and 35424 transitions. [2023-12-03 00:24:05,875 INFO L276 IsEmpty]: Start isEmpty. Operand 20239 states and 35424 transitions. [2023-12-03 00:24:06,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10099 [2023-12-03 00:24:06,466 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:24:06,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:24:07,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:24:27,389 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:24:28,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:24:28,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35441 states to 20251 states and 35441 transitions. [2023-12-03 00:24:28,576 INFO L276 IsEmpty]: Start isEmpty. Operand 20251 states and 35441 transitions. [2023-12-03 00:24:29,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10102 [2023-12-03 00:24:29,088 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:24:29,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:24:30,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:24:49,286 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:24:50,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:24:50,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35456 states to 20263 states and 35456 transitions. [2023-12-03 00:24:50,270 INFO L276 IsEmpty]: Start isEmpty. Operand 20263 states and 35456 transitions. [2023-12-03 00:24:50,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10103 [2023-12-03 00:24:50,759 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:24:50,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:24:52,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:25:11,487 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:25:12,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:25:12,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35457 states to 20264 states and 35457 transitions. [2023-12-03 00:25:12,318 INFO L276 IsEmpty]: Start isEmpty. Operand 20264 states and 35457 transitions. [2023-12-03 00:25:12,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10105 [2023-12-03 00:25:12,834 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:25:12,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:25:14,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:25:33,488 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:25:35,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:25:35,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35481 states to 20282 states and 35481 transitions. [2023-12-03 00:25:35,028 INFO L276 IsEmpty]: Start isEmpty. Operand 20282 states and 35481 transitions. [2023-12-03 00:25:35,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10107 [2023-12-03 00:25:35,556 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:25:35,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:25:36,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:03,073 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:26:04,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:26:04,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35497 states to 20295 states and 35497 transitions. [2023-12-03 00:26:04,111 INFO L276 IsEmpty]: Start isEmpty. Operand 20295 states and 35497 transitions. [2023-12-03 00:26:04,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10110 [2023-12-03 00:26:04,501 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:26:04,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:26:05,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:25,915 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:26:26,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:26:26,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35512 states to 20307 states and 35512 transitions. [2023-12-03 00:26:26,795 INFO L276 IsEmpty]: Start isEmpty. Operand 20307 states and 35512 transitions. [2023-12-03 00:26:27,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10112 [2023-12-03 00:26:27,188 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:26:27,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:26:28,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:51,679 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:26:52,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:26:52,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35543 states to 20332 states and 35543 transitions. [2023-12-03 00:26:52,894 INFO L276 IsEmpty]: Start isEmpty. Operand 20332 states and 35543 transitions. [2023-12-03 00:26:53,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10113 [2023-12-03 00:26:53,285 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:26:53,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:26:54,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:27:15,548 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:27:16,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:27:16,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35547 states to 20335 states and 35547 transitions. [2023-12-03 00:27:16,335 INFO L276 IsEmpty]: Start isEmpty. Operand 20335 states and 35547 transitions. [2023-12-03 00:27:16,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10114 [2023-12-03 00:27:16,725 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:27:16,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:27:18,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:27:40,764 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:27:41,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:27:41,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35550 states to 20337 states and 35550 transitions. [2023-12-03 00:27:41,382 INFO L276 IsEmpty]: Start isEmpty. Operand 20337 states and 35550 transitions. [2023-12-03 00:27:41,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10117 [2023-12-03 00:27:41,771 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:27:41,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:27:43,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:28:01,877 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:28:03,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:28:03,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35587 states to 20367 states and 35587 transitions. [2023-12-03 00:28:03,262 INFO L276 IsEmpty]: Start isEmpty. Operand 20367 states and 35587 transitions. [2023-12-03 00:28:03,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10119 [2023-12-03 00:28:03,761 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:28:03,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:28:05,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat