./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem06_label04.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_f92381fd-2d30-4a38-8c4f-8692a52a4a16/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f92381fd-2d30-4a38-8c4f-8692a52a4a16/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f92381fd-2d30-4a38-8c4f-8692a52a4a16/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f92381fd-2d30-4a38-8c4f-8692a52a4a16/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem06_label04.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f92381fd-2d30-4a38-8c4f-8692a52a4a16/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f92381fd-2d30-4a38-8c4f-8692a52a4a16/bin/ukojak-verify-G8NBE6pJGL --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 012a4976607d09f79dcadeaeaba08d968afb7d1da839f81f957ade26341fd4a3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:08:24,246 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:08:24,344 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f92381fd-2d30-4a38-8c4f-8692a52a4a16/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 04:08:24,349 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:08:24,350 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:08:24,373 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:08:24,374 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:08:24,376 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:08:24,377 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:08:24,378 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:08:24,378 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:08:24,379 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:08:24,380 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:08:24,380 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:08:24,381 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:08:24,381 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:08:24,382 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:08:24,382 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:08:24,383 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:08:24,383 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:08:24,384 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:08:24,388 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:08:24,389 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:08:24,391 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:08:24,395 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:08:24,395 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:08:24,396 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:08:24,396 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:08:24,397 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:08:24,397 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:08:24,398 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:08:24,399 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:08:24,399 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:08:24,399 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_f92381fd-2d30-4a38-8c4f-8692a52a4a16/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f92381fd-2d30-4a38-8c4f-8692a52a4a16/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 012a4976607d09f79dcadeaeaba08d968afb7d1da839f81f957ade26341fd4a3 [2023-11-19 04:08:24,667 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:08:24,704 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:08:24,707 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:08:24,708 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:08:24,709 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:08:24,711 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f92381fd-2d30-4a38-8c4f-8692a52a4a16/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/eca-rers2012/Problem06_label04.c [2023-11-19 04:08:27,990 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:08:28,897 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:08:28,898 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f92381fd-2d30-4a38-8c4f-8692a52a4a16/sv-benchmarks/c/eca-rers2012/Problem06_label04.c [2023-11-19 04:08:28,967 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f92381fd-2d30-4a38-8c4f-8692a52a4a16/bin/ukojak-verify-G8NBE6pJGL/data/26b251969/8ec77e61d201406e96ca57050e1e3e35/FLAG4eaa59291 [2023-11-19 04:08:28,986 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f92381fd-2d30-4a38-8c4f-8692a52a4a16/bin/ukojak-verify-G8NBE6pJGL/data/26b251969/8ec77e61d201406e96ca57050e1e3e35 [2023-11-19 04:08:28,991 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:08:28,994 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:08:28,999 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:08:28,999 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:08:29,005 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:08:29,006 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:08:28" (1/1) ... [2023-11-19 04:08:29,008 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1941cd57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:29, skipping insertion in model container [2023-11-19 04:08:29,009 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:08:28" (1/1) ... [2023-11-19 04:08:29,241 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:08:31,327 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_f92381fd-2d30-4a38-8c4f-8692a52a4a16/sv-benchmarks/c/eca-rers2012/Problem06_label04.c[331678,331691] [2023-11-19 04:08:31,360 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:08:31,374 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:08:32,507 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_f92381fd-2d30-4a38-8c4f-8692a52a4a16/sv-benchmarks/c/eca-rers2012/Problem06_label04.c[331678,331691] [2023-11-19 04:08:32,516 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:08:32,574 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:08:32,575 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:32 WrapperNode [2023-11-19 04:08:32,575 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:08:32,577 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:08:32,577 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:08:32,577 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:08:32,585 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:32" (1/1) ... [2023-11-19 04:08:32,673 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:32" (1/1) ... [2023-11-19 04:08:33,000 INFO L138 Inliner]: procedures = 18, calls = 12, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 10174 [2023-11-19 04:08:33,000 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:08:33,001 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:08:33,001 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:08:33,001 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:08:33,011 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:32" (1/1) ... [2023-11-19 04:08:33,012 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:32" (1/1) ... [2023-11-19 04:08:33,073 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:32" (1/1) ... [2023-11-19 04:08:33,073 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:32" (1/1) ... [2023-11-19 04:08:33,365 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:32" (1/1) ... [2023-11-19 04:08:33,404 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:32" (1/1) ... [2023-11-19 04:08:33,424 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:32" (1/1) ... [2023-11-19 04:08:33,447 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:32" (1/1) ... [2023-11-19 04:08:33,590 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:08:33,592 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:08:33,592 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:08:33,592 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:08:33,593 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:32" (1/1) ... [2023-11-19 04:08:33,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:08:33,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f92381fd-2d30-4a38-8c4f-8692a52a4a16/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:08:33,638 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f92381fd-2d30-4a38-8c4f-8692a52a4a16/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:08:33,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f92381fd-2d30-4a38-8c4f-8692a52a4a16/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:08:33,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:08:33,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:08:33,718 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:08:33,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:08:33,830 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:08:33,842 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:08:41,642 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:08:43,150 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:08:43,151 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:08:43,168 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:08:43 BoogieIcfgContainer [2023-11-19 04:08:43,168 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:08:43,170 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:08:43,170 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:08:43,181 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:08:43,181 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:08:43" (1/1) ... [2023-11-19 04:08:43,192 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:08:43,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:43,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1864 states to 938 states and 1864 transitions. [2023-11-19 04:08:43,282 INFO L276 IsEmpty]: Start isEmpty. Operand 938 states and 1864 transitions. [2023-11-19 04:08:43,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 930 [2023-11-19 04:08:43,337 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:43,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:44,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:46,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:08:53,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:53,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3160 states to 1865 states and 3160 transitions. [2023-11-19 04:08:53,455 INFO L276 IsEmpty]: Start isEmpty. Operand 1865 states and 3160 transitions. [2023-11-19 04:08:53,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 934 [2023-11-19 04:08:53,487 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:53,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:53,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:55,814 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:08:56,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:56,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3165 states to 1868 states and 3165 transitions. [2023-11-19 04:08:56,019 INFO L276 IsEmpty]: Start isEmpty. Operand 1868 states and 3165 transitions. [2023-11-19 04:08:56,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 935 [2023-11-19 04:08:56,030 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:56,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:56,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:57,742 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:08:58,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:58,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3172 states to 1872 states and 3172 transitions. [2023-11-19 04:08:58,033 INFO L276 IsEmpty]: Start isEmpty. Operand 1872 states and 3172 transitions. [2023-11-19 04:08:58,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 936 [2023-11-19 04:08:58,054 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:58,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:58,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:59,295 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:08:59,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:59,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3181 states to 1877 states and 3181 transitions. [2023-11-19 04:08:59,681 INFO L276 IsEmpty]: Start isEmpty. Operand 1877 states and 3181 transitions. [2023-11-19 04:08:59,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 938 [2023-11-19 04:08:59,749 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:59,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:59,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:01,397 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:09:01,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:01,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3192 states to 1884 states and 3192 transitions. [2023-11-19 04:09:01,900 INFO L276 IsEmpty]: Start isEmpty. Operand 1884 states and 3192 transitions. [2023-11-19 04:09:01,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 939 [2023-11-19 04:09:01,911 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:01,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:02,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:04,378 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:09:05,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:05,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3205 states to 1892 states and 3205 transitions. [2023-11-19 04:09:05,036 INFO L276 IsEmpty]: Start isEmpty. Operand 1892 states and 3205 transitions. [2023-11-19 04:09:05,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 941 [2023-11-19 04:09:05,048 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:05,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:05,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:06,030 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:09:06,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:06,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3213 states to 1898 states and 3213 transitions. [2023-11-19 04:09:06,331 INFO L276 IsEmpty]: Start isEmpty. Operand 1898 states and 3213 transitions. [2023-11-19 04:09:06,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 942 [2023-11-19 04:09:06,342 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:06,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:06,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:07,040 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:09:07,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:07,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3218 states to 1901 states and 3218 transitions. [2023-11-19 04:09:07,354 INFO L276 IsEmpty]: Start isEmpty. Operand 1901 states and 3218 transitions. [2023-11-19 04:09:07,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 943 [2023-11-19 04:09:07,365 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:07,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:07,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:08,187 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:09:08,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:08,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3226 states to 1906 states and 3226 transitions. [2023-11-19 04:09:08,551 INFO L276 IsEmpty]: Start isEmpty. Operand 1906 states and 3226 transitions. [2023-11-19 04:09:08,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 944 [2023-11-19 04:09:08,570 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:08,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:08,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat