./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem04_label38.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_0f3f5a03-817b-480a-863e-168dd1f1ce3b/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3f5a03-817b-480a-863e-168dd1f1ce3b/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_0f3f5a03-817b-480a-863e-168dd1f1ce3b/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3f5a03-817b-480a-863e-168dd1f1ce3b/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem04_label38.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3f5a03-817b-480a-863e-168dd1f1ce3b/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_0f3f5a03-817b-480a-863e-168dd1f1ce3b/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 fdb27d59fc002417a81fff0784880a5606c55b11baa03337770e23bfe3940106 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:45:57,966 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:45:58,054 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3f5a03-817b-480a-863e-168dd1f1ce3b/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 02:45:58,059 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:45:58,060 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:45:58,083 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:45:58,084 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:45:58,085 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:45:58,085 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:45:58,086 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:45:58,087 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:45:58,087 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:45:58,088 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:45:58,088 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:45:58,089 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:45:58,089 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:45:58,090 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:45:58,090 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:45:58,091 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:45:58,091 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:45:58,092 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:45:58,092 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:45:58,093 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:45:58,093 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:45:58,094 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:45:58,094 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:45:58,095 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:45:58,095 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:45:58,096 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:45:58,096 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:45:58,096 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:45:58,097 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:45:58,097 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:45:58,097 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_0f3f5a03-817b-480a-863e-168dd1f1ce3b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3f5a03-817b-480a-863e-168dd1f1ce3b/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fdb27d59fc002417a81fff0784880a5606c55b11baa03337770e23bfe3940106 [2023-11-19 02:45:58,325 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:45:58,357 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:45:58,361 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:45:58,362 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:45:58,363 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:45:58,364 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3f5a03-817b-480a-863e-168dd1f1ce3b/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/eca-rers2012/Problem04_label38.c [2023-11-19 02:46:01,432 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:46:02,031 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:46:02,032 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3f5a03-817b-480a-863e-168dd1f1ce3b/sv-benchmarks/c/eca-rers2012/Problem04_label38.c [2023-11-19 02:46:02,069 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3f5a03-817b-480a-863e-168dd1f1ce3b/bin/ukojak-verify-G8NBE6pJGL/data/57beb0d1f/37c97e9f76864759875da89311e4aad1/FLAGb96374aa1 [2023-11-19 02:46:02,087 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3f5a03-817b-480a-863e-168dd1f1ce3b/bin/ukojak-verify-G8NBE6pJGL/data/57beb0d1f/37c97e9f76864759875da89311e4aad1 [2023-11-19 02:46:02,096 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:46:02,098 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:46:02,100 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:46:02,100 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:46:02,105 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:46:02,106 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:46:02" (1/1) ... [2023-11-19 02:46:02,108 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f934255 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:02, skipping insertion in model container [2023-11-19 02:46:02,109 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:46:02" (1/1) ... [2023-11-19 02:46:02,299 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:46:03,937 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_0f3f5a03-817b-480a-863e-168dd1f1ce3b/sv-benchmarks/c/eca-rers2012/Problem04_label38.c[177597,177610] [2023-11-19 02:46:03,966 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:46:03,978 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:46:04,689 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_0f3f5a03-817b-480a-863e-168dd1f1ce3b/sv-benchmarks/c/eca-rers2012/Problem04_label38.c[177597,177610] [2023-11-19 02:46:04,702 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:46:04,733 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:46:04,734 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:04 WrapperNode [2023-11-19 02:46:04,734 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:46:04,736 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:46:04,736 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:46:04,736 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:46:04,744 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:04" (1/1) ... [2023-11-19 02:46:04,796 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:04" (1/1) ... [2023-11-19 02:46:05,006 INFO L138 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 5573 [2023-11-19 02:46:05,007 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:46:05,008 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:46:05,008 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:46:05,008 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:46:05,017 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:04" (1/1) ... [2023-11-19 02:46:05,017 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:04" (1/1) ... [2023-11-19 02:46:05,036 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:04" (1/1) ... [2023-11-19 02:46:05,036 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:04" (1/1) ... [2023-11-19 02:46:05,131 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:04" (1/1) ... [2023-11-19 02:46:05,159 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:04" (1/1) ... [2023-11-19 02:46:05,197 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:04" (1/1) ... [2023-11-19 02:46:05,207 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:04" (1/1) ... [2023-11-19 02:46:05,246 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:46:05,247 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:46:05,247 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:46:05,247 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:46:05,248 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:04" (1/1) ... [2023-11-19 02:46:05,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:46:05,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3f5a03-817b-480a-863e-168dd1f1ce3b/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:46:05,276 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3f5a03-817b-480a-863e-168dd1f1ce3b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:46:05,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f3f5a03-817b-480a-863e-168dd1f1ce3b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:46:05,314 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:46:05,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:46:05,314 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:46:05,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:46:05,429 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:46:05,432 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:46:10,231 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:46:10,613 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:46:10,614 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 02:46:10,629 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:46:10 BoogieIcfgContainer [2023-11-19 02:46:10,630 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:46:10,631 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:46:10,631 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:46:10,641 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:46:10,641 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:46:10" (1/1) ... [2023-11-19 02:46:10,650 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:46:10,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:10,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1515 states to 763 states and 1515 transitions. [2023-11-19 02:46:10,727 INFO L276 IsEmpty]: Start isEmpty. Operand 763 states and 1515 transitions. [2023-11-19 02:46:10,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 756 [2023-11-19 02:46:10,804 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:10,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:11,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:13,269 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 02:46:17,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:17,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2376 states to 1516 states and 2376 transitions. [2023-11-19 02:46:17,951 INFO L276 IsEmpty]: Start isEmpty. Operand 1516 states and 2376 transitions. [2023-11-19 02:46:17,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 760 [2023-11-19 02:46:17,981 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:17,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:18,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:19,764 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 02:46:19,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:19,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2381 states to 1519 states and 2381 transitions. [2023-11-19 02:46:19,973 INFO L276 IsEmpty]: Start isEmpty. Operand 1519 states and 2381 transitions. [2023-11-19 02:46:20,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 761 [2023-11-19 02:46:20,002 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:20,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:20,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:21,105 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 02:46:21,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:21,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2388 states to 1523 states and 2388 transitions. [2023-11-19 02:46:21,335 INFO L276 IsEmpty]: Start isEmpty. Operand 1523 states and 2388 transitions. [2023-11-19 02:46:21,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 763 [2023-11-19 02:46:21,365 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:21,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:21,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:22,045 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:46:22,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:22,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2392 states to 1526 states and 2392 transitions. [2023-11-19 02:46:22,200 INFO L276 IsEmpty]: Start isEmpty. Operand 1526 states and 2392 transitions. [2023-11-19 02:46:22,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 765 [2023-11-19 02:46:22,215 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:22,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:22,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:22,911 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 02:46:23,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:23,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2404 states to 1534 states and 2404 transitions. [2023-11-19 02:46:23,236 INFO L276 IsEmpty]: Start isEmpty. Operand 1534 states and 2404 transitions. [2023-11-19 02:46:23,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 766 [2023-11-19 02:46:23,245 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:23,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:23,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:24,055 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 02:46:24,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:24,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2418 states to 1543 states and 2418 transitions. [2023-11-19 02:46:24,514 INFO L276 IsEmpty]: Start isEmpty. Operand 1543 states and 2418 transitions. [2023-11-19 02:46:24,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 767 [2023-11-19 02:46:24,522 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:24,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:24,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:25,335 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 02:46:25,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:25,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2434 states to 1553 states and 2434 transitions. [2023-11-19 02:46:25,992 INFO L276 IsEmpty]: Start isEmpty. Operand 1553 states and 2434 transitions. [2023-11-19 02:46:26,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 768 [2023-11-19 02:46:26,000 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:26,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:26,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:26,810 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 02:46:27,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:27,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2452 states to 1564 states and 2452 transitions. [2023-11-19 02:46:27,699 INFO L276 IsEmpty]: Start isEmpty. Operand 1564 states and 2452 transitions. [2023-11-19 02:46:27,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 769 [2023-11-19 02:46:27,708 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:27,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:27,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:28,870 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 02:46:29,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:29,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2461 states to 1570 states and 2461 transitions. [2023-11-19 02:46:29,550 INFO L276 IsEmpty]: Start isEmpty. Operand 1570 states and 2461 transitions. [2023-11-19 02:46:29,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 771 [2023-11-19 02:46:29,559 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:29,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:29,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:30,628 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:46:31,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:31,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2464 states to 1571 states and 2464 transitions. [2023-11-19 02:46:31,649 INFO L276 IsEmpty]: Start isEmpty. Operand 1571 states and 2464 transitions. [2023-11-19 02:46:31,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 772 [2023-11-19 02:46:31,658 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:31,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:31,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:32,292 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 02:46:32,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:32,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2469 states to 1575 states and 2469 transitions. [2023-11-19 02:46:32,482 INFO L276 IsEmpty]: Start isEmpty. Operand 1575 states and 2469 transitions. [2023-11-19 02:46:32,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 774 [2023-11-19 02:46:32,491 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:32,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:32,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:33,143 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 02:46:33,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:33,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2486 states to 1588 states and 2486 transitions. [2023-11-19 02:46:33,719 INFO L276 IsEmpty]: Start isEmpty. Operand 1588 states and 2486 transitions. [2023-11-19 02:46:33,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 775 [2023-11-19 02:46:33,727 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:33,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:33,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:34,892 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:46:35,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:35,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2490 states to 1591 states and 2490 transitions. [2023-11-19 02:46:35,344 INFO L276 IsEmpty]: Start isEmpty. Operand 1591 states and 2490 transitions. [2023-11-19 02:46:35,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 776 [2023-11-19 02:46:35,359 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:35,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:35,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:35,763 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:46:36,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:36,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2506 states to 1602 states and 2506 transitions. [2023-11-19 02:46:36,461 INFO L276 IsEmpty]: Start isEmpty. Operand 1602 states and 2506 transitions. [2023-11-19 02:46:36,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 778 [2023-11-19 02:46:36,470 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:36,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:36,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:36,916 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:46:37,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:37,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2507 states to 1603 states and 2507 transitions. [2023-11-19 02:46:37,136 INFO L276 IsEmpty]: Start isEmpty. Operand 1603 states and 2507 transitions. [2023-11-19 02:46:37,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 778 [2023-11-19 02:46:37,143 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:37,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:37,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:37,825 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-11-19 02:46:38,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:38,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2508 states to 1604 states and 2508 transitions. [2023-11-19 02:46:38,656 INFO L276 IsEmpty]: Start isEmpty. Operand 1604 states and 2508 transitions. [2023-11-19 02:46:38,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 779 [2023-11-19 02:46:38,663 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:38,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:38,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:39,158 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:46:40,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:40,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2537 states to 1626 states and 2537 transitions. [2023-11-19 02:46:40,231 INFO L276 IsEmpty]: Start isEmpty. Operand 1626 states and 2537 transitions. [2023-11-19 02:46:40,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 780 [2023-11-19 02:46:40,236 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:40,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:40,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:40,640 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 02:46:40,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:40,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2547 states to 1631 states and 2547 transitions. [2023-11-19 02:46:40,982 INFO L276 IsEmpty]: Start isEmpty. Operand 1631 states and 2547 transitions. [2023-11-19 02:46:40,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 780 [2023-11-19 02:46:40,987 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:40,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:41,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:41,355 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 02:46:41,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:41,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2554 states to 1636 states and 2554 transitions. [2023-11-19 02:46:41,710 INFO L276 IsEmpty]: Start isEmpty. Operand 1636 states and 2554 transitions. [2023-11-19 02:46:41,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 781 [2023-11-19 02:46:41,716 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:41,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:41,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:42,159 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-19 02:46:42,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:42,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2567 states to 1646 states and 2567 transitions. [2023-11-19 02:46:42,762 INFO L276 IsEmpty]: Start isEmpty. Operand 1646 states and 2567 transitions. [2023-11-19 02:46:42,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 781 [2023-11-19 02:46:42,767 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:42,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:42,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:43,238 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:46:43,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:43,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2579 states to 1655 states and 2579 transitions. [2023-11-19 02:46:43,761 INFO L276 IsEmpty]: Start isEmpty. Operand 1655 states and 2579 transitions. [2023-11-19 02:46:43,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 782 [2023-11-19 02:46:43,769 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:43,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:43,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:44,692 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:46:45,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:45,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2593 states to 1659 states and 2593 transitions. [2023-11-19 02:46:45,142 INFO L276 IsEmpty]: Start isEmpty. Operand 1659 states and 2593 transitions. [2023-11-19 02:46:45,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 783 [2023-11-19 02:46:45,147 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:45,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:45,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:45,644 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked.