./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-programs/Problem101_label19.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_bc2b9f61-3790-4214-ae20-8f94c9fbc7fa/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2b9f61-3790-4214-ae20-8f94c9fbc7fa/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_bc2b9f61-3790-4214-ae20-8f94c9fbc7fa/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2b9f61-3790-4214-ae20-8f94c9fbc7fa/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-programs/Problem101_label19.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2b9f61-3790-4214-ae20-8f94c9fbc7fa/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_bc2b9f61-3790-4214-ae20-8f94c9fbc7fa/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 77a7ff586edb1dc73dfce8aaac3ae3e421c2c81f41a0761a3675603b1c895c1c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:50:00,720 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:50:00,786 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2b9f61-3790-4214-ae20-8f94c9fbc7fa/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 00:50:00,790 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 00:50:00,791 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 00:50:00,814 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:50:00,815 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:50:00,816 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:50:00,817 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:50:00,817 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:50:00,818 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:50:00,818 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:50:00,819 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 00:50:00,819 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 00:50:00,820 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 00:50:00,820 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:50:00,821 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:50:00,821 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:50:00,822 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:50:00,822 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 00:50:00,823 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:50:00,824 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:50:00,824 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:50:00,825 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:50:00,825 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:50:00,825 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:50:00,826 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:50:00,826 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:50:00,827 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:50:00,827 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:50:00,828 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 00:50:00,828 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 00:50:00,828 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:50:00,829 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_bc2b9f61-3790-4214-ae20-8f94c9fbc7fa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2b9f61-3790-4214-ae20-8f94c9fbc7fa/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 77a7ff586edb1dc73dfce8aaac3ae3e421c2c81f41a0761a3675603b1c895c1c [2023-12-03 00:50:01,062 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:50:01,083 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:50:01,086 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:50:01,088 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:50:01,088 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:50:01,089 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2b9f61-3790-4214-ae20-8f94c9fbc7fa/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/eca-programs/Problem101_label19.c [2023-12-03 00:50:03,890 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:50:05,276 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:50:05,277 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2b9f61-3790-4214-ae20-8f94c9fbc7fa/sv-benchmarks/c/eca-programs/Problem101_label19.c [2023-12-03 00:50:05,451 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2b9f61-3790-4214-ae20-8f94c9fbc7fa/bin/ukojak-verify-Qdu7aM0XO9/data/9c5a153a1/7ec7894a808b49628229662bb76d5c55/FLAGaccb3884e [2023-12-03 00:50:05,466 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2b9f61-3790-4214-ae20-8f94c9fbc7fa/bin/ukojak-verify-Qdu7aM0XO9/data/9c5a153a1/7ec7894a808b49628229662bb76d5c55 [2023-12-03 00:50:05,468 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:50:05,470 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:50:05,471 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:50:05,471 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:50:05,475 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:50:05,476 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:50:05" (1/1) ... [2023-12-03 00:50:05,477 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@520532ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:50:05, skipping insertion in model container [2023-12-03 00:50:05,477 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:50:05" (1/1) ... [2023-12-03 00:50:06,638 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:50:17,329 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_bc2b9f61-3790-4214-ae20-8f94c9fbc7fa/sv-benchmarks/c/eca-programs/Problem101_label19.c[2769185,2769198] [2023-12-03 00:50:17,395 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:50:17,404 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:50:23,830 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_bc2b9f61-3790-4214-ae20-8f94c9fbc7fa/sv-benchmarks/c/eca-programs/Problem101_label19.c[2769185,2769198] [2023-12-03 00:50:23,842 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:50:24,471 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:50:24,471 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:50:24 WrapperNode [2023-12-03 00:50:24,471 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:50:24,472 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:50:24,472 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:50:24,472 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:50:24,478 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:50:24" (1/1) ... [2023-12-03 00:50:24,909 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:50:24" (1/1) ... [2023-12-03 00:50:26,510 INFO L138 Inliner]: procedures = 59, calls = 53, calls flagged for inlining = 48, calls inlined = 48, statements flattened = 83781 [2023-12-03 00:50:26,511 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:50:26,511 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:50:26,511 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:50:26,512 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:50:26,518 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:50:24" (1/1) ... [2023-12-03 00:50:26,518 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:50:24" (1/1) ... [2023-12-03 00:50:26,769 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:50:24" (1/1) ... [2023-12-03 00:50:26,770 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:50:24" (1/1) ... [2023-12-03 00:50:27,597 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:50:24" (1/1) ... [2023-12-03 00:50:27,704 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:50:24" (1/1) ... [2023-12-03 00:50:27,886 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:50:24" (1/1) ... [2023-12-03 00:50:27,972 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:50:24" (1/1) ... [2023-12-03 00:50:28,270 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:50:28,271 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:50:28,271 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:50:28,271 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:50:28,272 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:50:24" (1/1) ... [2023-12-03 00:50:28,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:50:28,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2b9f61-3790-4214-ae20-8f94c9fbc7fa/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:50:28,295 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2b9f61-3790-4214-ae20-8f94c9fbc7fa/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:50:28,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc2b9f61-3790-4214-ae20-8f94c9fbc7fa/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:50:28,321 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:50:28,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 00:50:28,321 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:50:28,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:50:28,444 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:50:28,446 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:51:07,277 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:51:08,378 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:51:08,378 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 00:51:08,384 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:51:08 BoogieIcfgContainer [2023-12-03 00:51:08,384 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:51:08,385 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:51:08,385 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:51:08,392 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:51:08,392 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:51:08" (1/1) ... [2023-12-03 00:51:08,399 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:51:08,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:51:08,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20217 states to 10135 states and 20217 transitions. [2023-12-03 00:51:08,586 INFO L276 IsEmpty]: Start isEmpty. Operand 10135 states and 20217 transitions. [2023-12-03 00:51:09,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10086 [2023-12-03 00:51:09,167 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:51:09,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:51:11,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:51:42,351 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 00:52:22,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:52:22,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35394 states to 20218 states and 35394 transitions. [2023-12-03 00:52:22,265 INFO L276 IsEmpty]: Start isEmpty. Operand 20218 states and 35394 transitions. [2023-12-03 00:52:22,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10090 [2023-12-03 00:52:22,745 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:52:22,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:52:24,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:52:45,445 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 00:52:46,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:52:46,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35399 states to 20221 states and 35399 transitions. [2023-12-03 00:52:46,635 INFO L276 IsEmpty]: Start isEmpty. Operand 20221 states and 35399 transitions. [2023-12-03 00:52:47,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10091 [2023-12-03 00:52:47,273 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:52:47,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:52:48,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:08,423 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 00:53:09,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:53:09,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35406 states to 20225 states and 35406 transitions. [2023-12-03 00:53:09,460 INFO L276 IsEmpty]: Start isEmpty. Operand 20225 states and 35406 transitions. [2023-12-03 00:53:10,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10094 [2023-12-03 00:53:10,028 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:53:10,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:53:11,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:30,062 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 00:53:30,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:53:30,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35409 states to 20228 states and 35409 transitions. [2023-12-03 00:53:30,882 INFO L276 IsEmpty]: Start isEmpty. Operand 20228 states and 35409 transitions. [2023-12-03 00:53:31,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10097 [2023-12-03 00:53:31,500 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:53:31,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:53:33,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:53:53,565 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 00:53:54,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:53:54,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35423 states to 20238 states and 35423 transitions. [2023-12-03 00:53:54,789 INFO L276 IsEmpty]: Start isEmpty. Operand 20238 states and 35423 transitions. [2023-12-03 00:53:55,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10098 [2023-12-03 00:53:55,366 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:53:55,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:53:56,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:17,670 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 00:54:18,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:54:18,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35424 states to 20239 states and 35424 transitions. [2023-12-03 00:54:18,330 INFO L276 IsEmpty]: Start isEmpty. Operand 20239 states and 35424 transitions. [2023-12-03 00:54:18,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10099 [2023-12-03 00:54:18,805 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:54:18,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:54:20,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:54:38,644 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 00:54:39,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:54:39,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35441 states to 20251 states and 35441 transitions. [2023-12-03 00:54:39,605 INFO L276 IsEmpty]: Start isEmpty. Operand 20251 states and 35441 transitions. [2023-12-03 00:54:40,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10102 [2023-12-03 00:54:40,323 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:54:40,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:54:41,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:55:00,356 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 00:55:01,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:55:01,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35456 states to 20263 states and 35456 transitions. [2023-12-03 00:55:01,763 INFO L276 IsEmpty]: Start isEmpty. Operand 20263 states and 35456 transitions. [2023-12-03 00:55:02,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10103 [2023-12-03 00:55:02,300 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:55:02,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:55:03,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:55:22,583 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 00:55:23,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:55:23,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35457 states to 20264 states and 35457 transitions. [2023-12-03 00:55:23,589 INFO L276 IsEmpty]: Start isEmpty. Operand 20264 states and 35457 transitions. [2023-12-03 00:55:24,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10105 [2023-12-03 00:55:24,164 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:55:24,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:55:25,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:55:44,810 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 00:55:45,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:55:45,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35481 states to 20282 states and 35481 transitions. [2023-12-03 00:55:45,864 INFO L276 IsEmpty]: Start isEmpty. Operand 20282 states and 35481 transitions. [2023-12-03 00:55:46,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10107 [2023-12-03 00:55:46,294 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:55:46,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:55:47,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:14,630 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 00:56:15,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:56:15,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35497 states to 20295 states and 35497 transitions. [2023-12-03 00:56:15,781 INFO L276 IsEmpty]: Start isEmpty. Operand 20295 states and 35497 transitions. [2023-12-03 00:56:16,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10110 [2023-12-03 00:56:16,265 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:56:16,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:56:17,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:56:38,132 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 00:56:39,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:56:39,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35512 states to 20307 states and 35512 transitions. [2023-12-03 00:56:39,082 INFO L276 IsEmpty]: Start isEmpty. Operand 20307 states and 35512 transitions. [2023-12-03 00:56:39,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10112 [2023-12-03 00:56:39,653 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:56:39,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:56:40,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:57:03,776 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 00:57:05,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:57:05,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35543 states to 20332 states and 35543 transitions. [2023-12-03 00:57:05,064 INFO L276 IsEmpty]: Start isEmpty. Operand 20332 states and 35543 transitions.