./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem06_label44.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_df802c81-c2f6-4fd1-9034-70ba8d01e83a/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df802c81-c2f6-4fd1-9034-70ba8d01e83a/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_df802c81-c2f6-4fd1-9034-70ba8d01e83a/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df802c81-c2f6-4fd1-9034-70ba8d01e83a/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem06_label44.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df802c81-c2f6-4fd1-9034-70ba8d01e83a/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_df802c81-c2f6-4fd1-9034-70ba8d01e83a/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 861576cfdd4bbb5c4fa5f5ac5afbad3017305a2870393a04aa0ffe7e486f3340 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:08:38,134 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:08:38,202 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df802c81-c2f6-4fd1-9034-70ba8d01e83a/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 04:08:38,207 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:08:38,207 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:08:38,239 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:08:38,240 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:08:38,241 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:08:38,242 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:08:38,242 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:08:38,243 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:08:38,243 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:08:38,244 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:08:38,244 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:08:38,245 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:08:38,246 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:08:38,246 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:08:38,247 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:08:38,247 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:08:38,248 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:08:38,255 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:08:38,256 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:08:38,256 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:08:38,258 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:08:38,258 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:08:38,259 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:08:38,259 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:08:38,260 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:08:38,260 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:08:38,260 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:08:38,261 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:08:38,262 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:08:38,262 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:08:38,262 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_df802c81-c2f6-4fd1-9034-70ba8d01e83a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df802c81-c2f6-4fd1-9034-70ba8d01e83a/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 861576cfdd4bbb5c4fa5f5ac5afbad3017305a2870393a04aa0ffe7e486f3340 [2023-11-19 04:08:38,552 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:08:38,584 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:08:38,586 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:08:38,587 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:08:38,588 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:08:38,589 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df802c81-c2f6-4fd1-9034-70ba8d01e83a/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/eca-rers2012/Problem06_label44.c [2023-11-19 04:08:41,687 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:08:42,437 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:08:42,437 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df802c81-c2f6-4fd1-9034-70ba8d01e83a/sv-benchmarks/c/eca-rers2012/Problem06_label44.c [2023-11-19 04:08:42,487 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df802c81-c2f6-4fd1-9034-70ba8d01e83a/bin/ukojak-verify-G8NBE6pJGL/data/db5058fbc/fefc5913f7494a4f949881fca4af5955/FLAGe45d330df [2023-11-19 04:08:42,502 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df802c81-c2f6-4fd1-9034-70ba8d01e83a/bin/ukojak-verify-G8NBE6pJGL/data/db5058fbc/fefc5913f7494a4f949881fca4af5955 [2023-11-19 04:08:42,505 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:08:42,506 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:08:42,508 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:08:42,508 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:08:42,513 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:08:42,514 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:08:42" (1/1) ... [2023-11-19 04:08:42,515 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d12e9c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:42, skipping insertion in model container [2023-11-19 04:08:42,515 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:08:42" (1/1) ... [2023-11-19 04:08:42,788 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:08:44,815 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_df802c81-c2f6-4fd1-9034-70ba8d01e83a/sv-benchmarks/c/eca-rers2012/Problem06_label44.c[330685,330698] [2023-11-19 04:08:44,848 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:08:44,861 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:08:46,131 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_df802c81-c2f6-4fd1-9034-70ba8d01e83a/sv-benchmarks/c/eca-rers2012/Problem06_label44.c[330685,330698] [2023-11-19 04:08:46,142 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:08:46,196 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:08:46,197 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:46 WrapperNode [2023-11-19 04:08:46,197 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:08:46,199 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:08:46,199 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:08:46,199 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:08:46,207 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:46" (1/1) ... [2023-11-19 04:08:46,286 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:46" (1/1) ... [2023-11-19 04:08:46,656 INFO L138 Inliner]: procedures = 18, calls = 12, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 10174 [2023-11-19 04:08:46,656 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:08:46,657 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:08:46,658 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:08:46,658 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:08:46,667 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:46" (1/1) ... [2023-11-19 04:08:46,668 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:46" (1/1) ... [2023-11-19 04:08:46,717 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:46" (1/1) ... [2023-11-19 04:08:46,717 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:46" (1/1) ... [2023-11-19 04:08:47,011 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:46" (1/1) ... [2023-11-19 04:08:47,051 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:46" (1/1) ... [2023-11-19 04:08:47,069 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:46" (1/1) ... [2023-11-19 04:08:47,088 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:46" (1/1) ... [2023-11-19 04:08:47,194 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:08:47,195 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:08:47,195 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:08:47,195 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:08:47,196 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:46" (1/1) ... [2023-11-19 04:08:47,202 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:08:47,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df802c81-c2f6-4fd1-9034-70ba8d01e83a/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:08:47,224 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df802c81-c2f6-4fd1-9034-70ba8d01e83a/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:08:47,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df802c81-c2f6-4fd1-9034-70ba8d01e83a/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:08:47,264 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:08:47,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:08:47,264 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:08:47,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:08:47,388 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:08:47,391 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:08:54,899 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:08:56,342 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:08:56,343 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:08:56,360 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:08:56 BoogieIcfgContainer [2023-11-19 04:08:56,361 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:08:56,362 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:08:56,362 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:08:56,372 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:08:56,372 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:08:56" (1/1) ... [2023-11-19 04:08:56,383 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:08:56,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:56,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1864 states to 938 states and 1864 transitions. [2023-11-19 04:08:56,481 INFO L276 IsEmpty]: Start isEmpty. Operand 938 states and 1864 transitions. [2023-11-19 04:08:56,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 930 [2023-11-19 04:08:56,533 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:56,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:57,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:59,527 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 04:09:05,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:05,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3001 states to 1865 states and 3001 transitions. [2023-11-19 04:09:05,540 INFO L276 IsEmpty]: Start isEmpty. Operand 1865 states and 3001 transitions. [2023-11-19 04:09:05,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 934 [2023-11-19 04:09:05,574 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:05,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:05,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:07,897 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 04:09:08,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:08,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3006 states to 1868 states and 3006 transitions. [2023-11-19 04:09:08,142 INFO L276 IsEmpty]: Start isEmpty. Operand 1868 states and 3006 transitions. [2023-11-19 04:09:08,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 935 [2023-11-19 04:09:08,181 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:08,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:08,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:09,872 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 04:09:10,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:10,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3013 states to 1872 states and 3013 transitions. [2023-11-19 04:09:10,128 INFO L276 IsEmpty]: Start isEmpty. Operand 1872 states and 3013 transitions. [2023-11-19 04:09:10,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 938 [2023-11-19 04:09:10,144 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:10,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:10,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:12,240 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 04:09:12,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:12,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3024 states to 1879 states and 3024 transitions. [2023-11-19 04:09:12,635 INFO L276 IsEmpty]: Start isEmpty. Operand 1879 states and 3024 transitions. [2023-11-19 04:09:12,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 939 [2023-11-19 04:09:12,648 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:12,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:12,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:15,453 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 04:09:15,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:15,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3036 states to 1887 states and 3036 transitions. [2023-11-19 04:09:15,991 INFO L276 IsEmpty]: Start isEmpty. Operand 1887 states and 3036 transitions. [2023-11-19 04:09:16,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 940 [2023-11-19 04:09:16,005 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:16,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:16,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:16,979 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:09:17,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:17,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3050 states to 1896 states and 3050 transitions. [2023-11-19 04:09:17,594 INFO L276 IsEmpty]: Start isEmpty. Operand 1896 states and 3050 transitions. [2023-11-19 04:09:17,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 942 [2023-11-19 04:09:17,605 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:17,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:17,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:18,547 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 04:09:18,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:18,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3055 states to 1899 states and 3055 transitions. [2023-11-19 04:09:18,809 INFO L276 IsEmpty]: Start isEmpty. Operand 1899 states and 3055 transitions. [2023-11-19 04:09:18,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 946 [2023-11-19 04:09:18,900 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:18,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:19,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:20,441 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:09:21,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:21,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3077 states to 1914 states and 3077 transitions. [2023-11-19 04:09:21,402 INFO L276 IsEmpty]: Start isEmpty. Operand 1914 states and 3077 transitions. [2023-11-19 04:09:21,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 948 [2023-11-19 04:09:21,420 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:21,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:21,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:22,438 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:09:22,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:22,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3079 states to 1916 states and 3079 transitions. [2023-11-19 04:09:22,541 INFO L276 IsEmpty]: Start isEmpty. Operand 1916 states and 3079 transitions. [2023-11-19 04:09:22,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 949 [2023-11-19 04:09:22,552 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:22,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:22,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat