./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem04_label41.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_c694ce7a-5718-4e3c-bbaa-824f7c6ecb6a/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c694ce7a-5718-4e3c-bbaa-824f7c6ecb6a/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c694ce7a-5718-4e3c-bbaa-824f7c6ecb6a/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c694ce7a-5718-4e3c-bbaa-824f7c6ecb6a/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem04_label41.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c694ce7a-5718-4e3c-bbaa-824f7c6ecb6a/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c694ce7a-5718-4e3c-bbaa-824f7c6ecb6a/bin/ukojak-verify-afCqCEvfdi --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 8a1a78af7c4b2db6e13e1279aac41ace16738d5ca6c2d9fbf2fe2932ec8f59d3 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:01:50,805 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:01:50,948 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c694ce7a-5718-4e3c-bbaa-824f7c6ecb6a/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 23:01:50,960 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:01:50,961 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:01:51,037 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:01:51,040 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:01:51,041 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:01:51,043 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:01:51,049 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:01:51,050 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:01:51,050 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:01:51,051 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:01:51,053 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:01:51,054 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:01:51,055 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:01:51,055 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:01:51,056 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:01:51,056 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:01:51,057 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:01:51,057 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:01:51,058 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:01:51,059 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:01:51,060 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:01:51,060 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:01:51,061 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:01:51,061 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:01:51,062 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:01:51,063 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:01:51,063 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:01:51,065 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:01:51,066 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:01:51,066 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:01:51,066 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_c694ce7a-5718-4e3c-bbaa-824f7c6ecb6a/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c694ce7a-5718-4e3c-bbaa-824f7c6ecb6a/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8a1a78af7c4b2db6e13e1279aac41ace16738d5ca6c2d9fbf2fe2932ec8f59d3 [2023-11-24 23:01:51,439 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:01:51,501 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:01:51,504 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:01:51,506 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:01:51,507 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:01:51,509 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c694ce7a-5718-4e3c-bbaa-824f7c6ecb6a/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/eca-rers2012/Problem04_label41.c [2023-11-24 23:01:54,739 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:01:55,377 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:01:55,378 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c694ce7a-5718-4e3c-bbaa-824f7c6ecb6a/sv-benchmarks/c/eca-rers2012/Problem04_label41.c [2023-11-24 23:01:55,426 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c694ce7a-5718-4e3c-bbaa-824f7c6ecb6a/bin/ukojak-verify-afCqCEvfdi/data/a2cb8ab69/cdd8b1fc31da49778788468b291f22c8/FLAG0c7b165c6 [2023-11-24 23:01:55,446 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c694ce7a-5718-4e3c-bbaa-824f7c6ecb6a/bin/ukojak-verify-afCqCEvfdi/data/a2cb8ab69/cdd8b1fc31da49778788468b291f22c8 [2023-11-24 23:01:55,452 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:01:55,454 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:01:55,456 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:01:55,456 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:01:55,462 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:01:55,463 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:01:55" (1/1) ... [2023-11-24 23:01:55,466 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51a06d2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:55, skipping insertion in model container [2023-11-24 23:01:55,466 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:01:55" (1/1) ... [2023-11-24 23:01:55,659 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:01:57,162 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_c694ce7a-5718-4e3c-bbaa-824f7c6ecb6a/sv-benchmarks/c/eca-rers2012/Problem04_label41.c[183869,183882] [2023-11-24 23:01:57,186 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:01:57,204 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:01:57,946 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_c694ce7a-5718-4e3c-bbaa-824f7c6ecb6a/sv-benchmarks/c/eca-rers2012/Problem04_label41.c[183869,183882] [2023-11-24 23:01:57,952 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:01:57,987 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:01:57,988 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:57 WrapperNode [2023-11-24 23:01:57,988 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:01:57,989 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:01:57,989 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:01:57,990 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:01:57,997 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:57" (1/1) ... [2023-11-24 23:01:58,060 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:57" (1/1) ... [2023-11-24 23:01:58,307 INFO L138 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 5573 [2023-11-24 23:01:58,308 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:01:58,308 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:01:58,308 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:01:58,309 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:01:58,318 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:57" (1/1) ... [2023-11-24 23:01:58,319 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:57" (1/1) ... [2023-11-24 23:01:58,346 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:57" (1/1) ... [2023-11-24 23:01:58,346 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:57" (1/1) ... [2023-11-24 23:01:58,451 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:57" (1/1) ... [2023-11-24 23:01:58,493 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:57" (1/1) ... [2023-11-24 23:01:58,506 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:57" (1/1) ... [2023-11-24 23:01:58,520 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:57" (1/1) ... [2023-11-24 23:01:58,542 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:01:58,544 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:01:58,544 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:01:58,544 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:01:58,545 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:57" (1/1) ... [2023-11-24 23:01:58,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:01:58,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c694ce7a-5718-4e3c-bbaa-824f7c6ecb6a/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:01:58,576 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c694ce7a-5718-4e3c-bbaa-824f7c6ecb6a/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:01:58,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c694ce7a-5718-4e3c-bbaa-824f7c6ecb6a/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:01:58,620 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:01:58,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:01:58,621 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:01:58,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:01:58,842 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:01:58,845 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:02:04,301 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:02:04,690 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:02:04,690 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:02:04,692 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:02:04 BoogieIcfgContainer [2023-11-24 23:02:04,692 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:02:04,693 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:02:04,694 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:02:04,744 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:02:04,744 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:02:04" (1/1) ... [2023-11-24 23:02:04,755 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:02:04,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:04,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1515 states to 763 states and 1515 transitions. [2023-11-24 23:02:04,848 INFO L276 IsEmpty]: Start isEmpty. Operand 763 states and 1515 transitions. [2023-11-24 23:02:04,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 756 [2023-11-24 23:02:04,891 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:04,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:05,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:07,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:02:12,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:12,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2310 states to 1516 states and 2310 transitions. [2023-11-24 23:02:12,812 INFO L276 IsEmpty]: Start isEmpty. Operand 1516 states and 2310 transitions. [2023-11-24 23:02:12,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 760 [2023-11-24 23:02:12,839 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:12,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:13,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:14,695 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:02:14,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:14,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2315 states to 1519 states and 2315 transitions. [2023-11-24 23:02:14,889 INFO L276 IsEmpty]: Start isEmpty. Operand 1519 states and 2315 transitions. [2023-11-24 23:02:14,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 766 [2023-11-24 23:02:14,914 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:14,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:15,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:15,857 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:02:16,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:16,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2327 states to 1528 states and 2327 transitions. [2023-11-24 23:02:16,203 INFO L276 IsEmpty]: Start isEmpty. Operand 1528 states and 2327 transitions. [2023-11-24 23:02:16,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 767 [2023-11-24 23:02:16,235 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:16,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:16,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:16,970 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:02:17,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:17,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2341 states to 1538 states and 2341 transitions. [2023-11-24 23:02:17,344 INFO L276 IsEmpty]: Start isEmpty. Operand 1538 states and 2341 transitions. [2023-11-24 23:02:17,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 769 [2023-11-24 23:02:17,352 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:17,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:17,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:18,800 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:02:19,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:19,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2358 states to 1550 states and 2358 transitions. [2023-11-24 23:02:19,470 INFO L276 IsEmpty]: Start isEmpty. Operand 1550 states and 2358 transitions. [2023-11-24 23:02:19,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 771 [2023-11-24 23:02:19,479 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:19,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:19,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:20,634 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-24 23:02:21,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:21,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2359 states to 1551 states and 2359 transitions. [2023-11-24 23:02:21,648 INFO L276 IsEmpty]: Start isEmpty. Operand 1551 states and 2359 transitions. [2023-11-24 23:02:21,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 782 [2023-11-24 23:02:21,658 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:21,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:21,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:22,334 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-24 23:02:23,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:23,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2377 states to 1565 states and 2377 transitions. [2023-11-24 23:02:23,348 INFO L276 IsEmpty]: Start isEmpty. Operand 1565 states and 2377 transitions. [2023-11-24 23:02:23,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 782 [2023-11-24 23:02:23,363 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:23,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:23,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:24,036 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-24 23:02:24,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:24,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2380 states to 1568 states and 2380 transitions. [2023-11-24 23:02:24,266 INFO L276 IsEmpty]: Start isEmpty. Operand 1568 states and 2380 transitions. [2023-11-24 23:02:24,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 808 [2023-11-24 23:02:24,276 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:24,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:24,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:24,878 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-24 23:02:25,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:25,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2406 states to 1594 states and 2406 transitions. [2023-11-24 23:02:25,132 INFO L276 IsEmpty]: Start isEmpty. Operand 1594 states and 2406 transitions. [2023-11-24 23:02:25,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 813 [2023-11-24 23:02:25,150 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:25,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:25,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:25,820 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-24 23:02:26,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:26,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2444 states to 1630 states and 2444 transitions. [2023-11-24 23:02:26,176 INFO L276 IsEmpty]: Start isEmpty. Operand 1630 states and 2444 transitions. [2023-11-24 23:02:26,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 814 [2023-11-24 23:02:26,185 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:26,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:26,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:26,756 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:02:27,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:27,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2492 states to 1675 states and 2492 transitions. [2023-11-24 23:02:27,403 INFO L276 IsEmpty]: Start isEmpty. Operand 1675 states and 2492 transitions. [2023-11-24 23:02:27,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 818 [2023-11-24 23:02:27,413 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:27,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:27,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:28,038 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:02:29,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:29,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2559 states to 1736 states and 2559 transitions. [2023-11-24 23:02:29,155 INFO L276 IsEmpty]: Start isEmpty. Operand 1736 states and 2559 transitions. [2023-11-24 23:02:29,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 823 [2023-11-24 23:02:29,165 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:29,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:29,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:29,717 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-24 23:02:29,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:29,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2560 states to 1738 states and 2560 transitions. [2023-11-24 23:02:29,874 INFO L276 IsEmpty]: Start isEmpty. Operand 1738 states and 2560 transitions. [2023-11-24 23:02:29,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 825 [2023-11-24 23:02:29,883 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:29,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:30,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:31,215 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:02:32,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:32,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2635 states to 1806 states and 2635 transitions. [2023-11-24 23:02:32,860 INFO L276 IsEmpty]: Start isEmpty. Operand 1806 states and 2635 transitions. [2023-11-24 23:02:32,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 826 [2023-11-24 23:02:32,870 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:32,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:33,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:33,519 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:02:34,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:34,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2697 states to 1861 states and 2697 transitions. [2023-11-24 23:02:34,851 INFO L276 IsEmpty]: Start isEmpty. Operand 1861 states and 2697 transitions. [2023-11-24 23:02:34,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 828 [2023-11-24 23:02:34,860 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:34,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:34,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:35,357 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-24 23:02:35,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:35,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2702 states to 1865 states and 2702 transitions. [2023-11-24 23:02:35,976 INFO L276 IsEmpty]: Start isEmpty. Operand 1865 states and 2702 transitions. [2023-11-24 23:02:35,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 828 [2023-11-24 23:02:35,985 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:35,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:36,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:36,435 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-24 23:02:36,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:36,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2704 states to 1868 states and 2704 transitions. [2023-11-24 23:02:36,653 INFO L276 IsEmpty]: Start isEmpty. Operand 1868 states and 2704 transitions. [2023-11-24 23:02:36,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 829 [2023-11-24 23:02:36,659 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:36,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:36,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:37,051 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked.