./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4_overflow.ufo.UNBOUNDED.pals.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_9b3016df-176b-481d-8279-7e856d0fb4d6/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b3016df-176b-481d-8279-7e856d0fb4d6/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_9b3016df-176b-481d-8279-7e856d0fb4d6/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b3016df-176b-481d-8279-7e856d0fb4d6/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4_overflow.ufo.UNBOUNDED.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b3016df-176b-481d-8279-7e856d0fb4d6/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_9b3016df-176b-481d-8279-7e856d0fb4d6/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 315c7f7d4f861da6991110ab8f251d6e6bbcbe86dfcb4a71343434e33094f4a7 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:07:55,654 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:07:55,734 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b3016df-176b-481d-8279-7e856d0fb4d6/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 04:07:55,740 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:07:55,741 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:07:55,767 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:07:55,768 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:07:55,769 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:07:55,770 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:07:55,770 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:07:55,771 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:07:55,772 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:07:55,772 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:07:55,773 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:07:55,773 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:07:55,774 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:07:55,774 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:07:55,775 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:07:55,775 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:07:55,776 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:07:55,776 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:07:55,784 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:07:55,785 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:07:55,785 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:07:55,786 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:07:55,786 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:07:55,787 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:07:55,788 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:07:55,788 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:07:55,788 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:07:55,789 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:07:55,790 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:07:55,791 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:07:55,791 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_9b3016df-176b-481d-8279-7e856d0fb4d6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b3016df-176b-481d-8279-7e856d0fb4d6/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 315c7f7d4f861da6991110ab8f251d6e6bbcbe86dfcb4a71343434e33094f4a7 [2023-11-19 04:07:56,059 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:07:56,094 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:07:56,096 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:07:56,098 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:07:56,098 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:07:56,100 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b3016df-176b-481d-8279-7e856d0fb4d6/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4_overflow.ufo.UNBOUNDED.pals.c [2023-11-19 04:07:59,130 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:07:59,395 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:07:59,396 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b3016df-176b-481d-8279-7e856d0fb4d6/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4_overflow.ufo.UNBOUNDED.pals.c [2023-11-19 04:07:59,416 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b3016df-176b-481d-8279-7e856d0fb4d6/bin/ukojak-verify-G8NBE6pJGL/data/da15fa6b3/b42d5a4b2ee846d0afb2840aa0679436/FLAG95d92aa1b [2023-11-19 04:07:59,432 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b3016df-176b-481d-8279-7e856d0fb4d6/bin/ukojak-verify-G8NBE6pJGL/data/da15fa6b3/b42d5a4b2ee846d0afb2840aa0679436 [2023-11-19 04:07:59,436 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:07:59,444 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:07:59,445 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:07:59,446 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:07:59,451 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:07:59,452 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:07:59" (1/1) ... [2023-11-19 04:07:59,453 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2025310f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:59, skipping insertion in model container [2023-11-19 04:07:59,453 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:07:59" (1/1) ... [2023-11-19 04:07:59,540 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:07:59,902 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_9b3016df-176b-481d-8279-7e856d0fb4d6/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4_overflow.ufo.UNBOUNDED.pals.c[31111,31124] [2023-11-19 04:07:59,908 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:07:59,935 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:08:00,054 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_9b3016df-176b-481d-8279-7e856d0fb4d6/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4_overflow.ufo.UNBOUNDED.pals.c[31111,31124] [2023-11-19 04:08:00,054 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:08:00,075 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:08:00,075 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:00 WrapperNode [2023-11-19 04:08:00,075 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:08:00,077 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:08:00,077 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:08:00,077 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:08:00,085 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:00" (1/1) ... [2023-11-19 04:08:00,105 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:00" (1/1) ... [2023-11-19 04:08:00,184 INFO L138 Inliner]: procedures = 24, calls = 15, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 995 [2023-11-19 04:08:00,185 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:08:00,186 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:08:00,186 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:08:00,186 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:08:00,198 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:00" (1/1) ... [2023-11-19 04:08:00,198 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:00" (1/1) ... [2023-11-19 04:08:00,212 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:00" (1/1) ... [2023-11-19 04:08:00,212 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:00" (1/1) ... [2023-11-19 04:08:00,233 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:00" (1/1) ... [2023-11-19 04:08:00,248 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:00" (1/1) ... [2023-11-19 04:08:00,254 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:00" (1/1) ... [2023-11-19 04:08:00,260 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:00" (1/1) ... [2023-11-19 04:08:00,270 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:08:00,271 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:08:00,271 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:08:00,272 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:08:00,273 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:00" (1/1) ... [2023-11-19 04:08:00,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:08:00,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b3016df-176b-481d-8279-7e856d0fb4d6/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:08:00,307 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b3016df-176b-481d-8279-7e856d0fb4d6/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:08:00,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b3016df-176b-481d-8279-7e856d0fb4d6/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:08:00,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:08:00,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:08:00,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:08:00,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:08:00,559 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:08:00,562 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:08:01,705 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:08:03,147 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:08:03,148 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:08:03,158 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:08:03 BoogieIcfgContainer [2023-11-19 04:08:03,158 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:08:03,160 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:08:03,160 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:08:03,171 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:08:03,171 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:08:03" (1/1) ... [2023-11-19 04:08:03,181 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:08:03,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:03,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 140 states and 224 transitions. [2023-11-19 04:08:03,257 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 224 transitions. [2023-11-19 04:08:03,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-19 04:08:03,271 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:03,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:03,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:08,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:08:08,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:08,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 141 states and 226 transitions. [2023-11-19 04:08:08,428 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 226 transitions. [2023-11-19 04:08:08,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 04:08:08,432 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:08,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:08,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:10,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:08:11,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:11,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 144 states and 232 transitions. [2023-11-19 04:08:11,324 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 232 transitions. [2023-11-19 04:08:11,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 04:08:11,328 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:11,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:11,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:13,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:08:14,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:14,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 148 states and 240 transitions. [2023-11-19 04:08:14,203 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 240 transitions. [2023-11-19 04:08:14,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-19 04:08:14,209 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:14,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:14,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:16,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:08:17,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:17,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 153 states and 250 transitions. [2023-11-19 04:08:17,248 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 250 transitions. [2023-11-19 04:08:17,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-19 04:08:17,250 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:17,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:17,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:19,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:08:20,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:20,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 159 states and 262 transitions. [2023-11-19 04:08:20,607 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 262 transitions. [2023-11-19 04:08:20,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-19 04:08:20,608 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:20,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:20,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:23,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:08:24,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:24,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 167 states and 276 transitions. [2023-11-19 04:08:24,897 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 276 transitions. [2023-11-19 04:08:24,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-19 04:08:24,898 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:24,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:25,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:27,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:08:29,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:29,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 174 states and 289 transitions. [2023-11-19 04:08:29,532 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 289 transitions. [2023-11-19 04:08:29,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-19 04:08:29,533 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:29,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:29,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:29,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:08:30,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:30,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 175 states and 289 transitions. [2023-11-19 04:08:30,014 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 289 transitions. [2023-11-19 04:08:30,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-19 04:08:30,014 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:30,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:30,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:30,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:08:30,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:30,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 176 states and 290 transitions. [2023-11-19 04:08:30,144 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 290 transitions. [2023-11-19 04:08:30,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-19 04:08:30,145 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:30,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:30,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:33,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:08:35,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:35,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 187 states and 308 transitions. [2023-11-19 04:08:35,689 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 308 transitions. [2023-11-19 04:08:35,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-19 04:08:35,690 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:35,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:35,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:38,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:08:38,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:38,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 190 states and 312 transitions. [2023-11-19 04:08:38,418 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 312 transitions. [2023-11-19 04:08:38,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-19 04:08:38,419 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:38,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:38,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat