./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem06_label50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_9fc573ad-59d4-4b27-a7e3-5937d29d9d45/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc573ad-59d4-4b27-a7e3-5937d29d9d45/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_9fc573ad-59d4-4b27-a7e3-5937d29d9d45/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc573ad-59d4-4b27-a7e3-5937d29d9d45/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem06_label50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc573ad-59d4-4b27-a7e3-5937d29d9d45/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_9fc573ad-59d4-4b27-a7e3-5937d29d9d45/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 3d38f8bd4bb9f583507163a0d7e52fcffc2a14ccdd631448e0fbdfcc3cb39133 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:06:48,040 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:06:48,126 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc573ad-59d4-4b27-a7e3-5937d29d9d45/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:06:48,131 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:06:48,132 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:06:48,157 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:06:48,158 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:06:48,159 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:06:48,160 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:06:48,161 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:06:48,161 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:06:48,162 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:06:48,163 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:06:48,163 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:06:48,164 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:06:48,164 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:06:48,165 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:06:48,165 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:06:48,166 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:06:48,166 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:06:48,167 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:06:48,172 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:06:48,172 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:06:48,173 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:06:48,173 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:06:48,174 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:06:48,175 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:06:48,175 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:06:48,176 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:06:48,176 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:06:48,178 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:06:48,178 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:06:48,179 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:06:48,180 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_9fc573ad-59d4-4b27-a7e3-5937d29d9d45/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc573ad-59d4-4b27-a7e3-5937d29d9d45/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3d38f8bd4bb9f583507163a0d7e52fcffc2a14ccdd631448e0fbdfcc3cb39133 [2023-11-19 03:06:48,472 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:06:48,508 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:06:48,511 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:06:48,512 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:06:48,513 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:06:48,514 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc573ad-59d4-4b27-a7e3-5937d29d9d45/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/eca-rers2012/Problem06_label50.c [2023-11-19 03:06:51,687 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:06:52,316 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:06:52,317 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc573ad-59d4-4b27-a7e3-5937d29d9d45/sv-benchmarks/c/eca-rers2012/Problem06_label50.c [2023-11-19 03:06:52,364 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc573ad-59d4-4b27-a7e3-5937d29d9d45/bin/ukojak-verify-G8NBE6pJGL/data/c3d9e52a1/0bfd76d4a6a840469ef18dc5d1b9356b/FLAGb6d4184e3 [2023-11-19 03:06:52,386 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc573ad-59d4-4b27-a7e3-5937d29d9d45/bin/ukojak-verify-G8NBE6pJGL/data/c3d9e52a1/0bfd76d4a6a840469ef18dc5d1b9356b [2023-11-19 03:06:52,393 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:06:52,394 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:06:52,395 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:06:52,396 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:06:52,400 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:06:52,403 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:06:52" (1/1) ... [2023-11-19 03:06:52,405 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b3338ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:52, skipping insertion in model container [2023-11-19 03:06:52,405 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:06:52" (1/1) ... [2023-11-19 03:06:52,703 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:06:54,779 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_9fc573ad-59d4-4b27-a7e3-5937d29d9d45/sv-benchmarks/c/eca-rers2012/Problem06_label50.c[336046,336059] [2023-11-19 03:06:54,804 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:06:54,819 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:06:55,984 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_9fc573ad-59d4-4b27-a7e3-5937d29d9d45/sv-benchmarks/c/eca-rers2012/Problem06_label50.c[336046,336059] [2023-11-19 03:06:55,989 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:06:56,050 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:06:56,051 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:56 WrapperNode [2023-11-19 03:06:56,051 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:06:56,055 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:06:56,055 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:06:56,055 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:06:56,063 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:56" (1/1) ... [2023-11-19 03:06:56,162 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:56" (1/1) ... [2023-11-19 03:06:56,455 INFO L138 Inliner]: procedures = 18, calls = 12, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 10174 [2023-11-19 03:06:56,456 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:06:56,456 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:06:56,457 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:06:56,457 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:06:56,467 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:56" (1/1) ... [2023-11-19 03:06:56,467 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:56" (1/1) ... [2023-11-19 03:06:56,622 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:56" (1/1) ... [2023-11-19 03:06:56,622 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:56" (1/1) ... [2023-11-19 03:06:56,914 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:56" (1/1) ... [2023-11-19 03:06:56,953 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:56" (1/1) ... [2023-11-19 03:06:56,985 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:56" (1/1) ... [2023-11-19 03:06:57,006 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:56" (1/1) ... [2023-11-19 03:06:57,153 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:06:57,155 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:06:57,155 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:06:57,155 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:06:57,156 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:56" (1/1) ... [2023-11-19 03:06:57,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:06:57,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc573ad-59d4-4b27-a7e3-5937d29d9d45/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:06:57,237 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc573ad-59d4-4b27-a7e3-5937d29d9d45/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:06:57,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc573ad-59d4-4b27-a7e3-5937d29d9d45/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:06:57,359 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:06:57,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:06:57,359 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:06:57,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:06:57,493 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:06:57,495 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:07:05,162 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:07:06,455 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:07:06,455 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:07:06,471 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:07:06 BoogieIcfgContainer [2023-11-19 03:07:06,471 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:07:06,473 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:07:06,473 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:07:06,484 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:07:06,484 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:07:06" (1/1) ... [2023-11-19 03:07:06,497 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:07:06,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:06,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1864 states to 938 states and 1864 transitions. [2023-11-19 03:07:06,594 INFO L276 IsEmpty]: Start isEmpty. Operand 938 states and 1864 transitions. [2023-11-19 03:07:06,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 930 [2023-11-19 03:07:06,645 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:06,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:07,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:09,767 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 03:07:16,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:16,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3001 states to 1865 states and 3001 transitions. [2023-11-19 03:07:16,443 INFO L276 IsEmpty]: Start isEmpty. Operand 1865 states and 3001 transitions. [2023-11-19 03:07:16,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 934 [2023-11-19 03:07:16,484 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:16,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:16,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:18,965 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 03:07:19,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:19,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3006 states to 1868 states and 3006 transitions. [2023-11-19 03:07:19,154 INFO L276 IsEmpty]: Start isEmpty. Operand 1868 states and 3006 transitions. [2023-11-19 03:07:19,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 935 [2023-11-19 03:07:19,186 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:19,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:19,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:20,712 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 03:07:20,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:20,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3013 states to 1872 states and 3013 transitions. [2023-11-19 03:07:20,995 INFO L276 IsEmpty]: Start isEmpty. Operand 1872 states and 3013 transitions. [2023-11-19 03:07:21,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 938 [2023-11-19 03:07:21,015 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:21,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:21,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:23,110 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 03:07:23,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:23,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3024 states to 1879 states and 3024 transitions. [2023-11-19 03:07:23,492 INFO L276 IsEmpty]: Start isEmpty. Operand 1879 states and 3024 transitions. [2023-11-19 03:07:23,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 939 [2023-11-19 03:07:23,503 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:23,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:23,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:26,044 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 03:07:26,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:26,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3036 states to 1887 states and 3036 transitions. [2023-11-19 03:07:26,632 INFO L276 IsEmpty]: Start isEmpty. Operand 1887 states and 3036 transitions. [2023-11-19 03:07:26,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 940 [2023-11-19 03:07:26,650 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:26,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:26,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:27,563 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 03:07:28,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:28,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3049 states to 1896 states and 3049 transitions. [2023-11-19 03:07:28,153 INFO L276 IsEmpty]: Start isEmpty. Operand 1896 states and 3049 transitions. [2023-11-19 03:07:28,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 942 [2023-11-19 03:07:28,165 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:28,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:28,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:28,901 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 03:07:29,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:29,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3054 states to 1899 states and 3054 transitions. [2023-11-19 03:07:29,124 INFO L276 IsEmpty]: Start isEmpty. Operand 1899 states and 3054 transitions. [2023-11-19 03:07:29,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 946 [2023-11-19 03:07:29,135 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:29,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:29,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:30,040 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 03:07:30,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:30,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3076 states to 1914 states and 3076 transitions. [2023-11-19 03:07:30,899 INFO L276 IsEmpty]: Start isEmpty. Operand 1914 states and 3076 transitions. [2023-11-19 03:07:30,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 948 [2023-11-19 03:07:30,910 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:30,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:31,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:31,895 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 03:07:31,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:31,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3078 states to 1916 states and 3078 transitions. [2023-11-19 03:07:31,978 INFO L276 IsEmpty]: Start isEmpty. Operand 1916 states and 3078 transitions. [2023-11-19 03:07:31,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 949 [2023-11-19 03:07:31,989 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:31,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:32,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:33,185 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.