./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/forester-heap/sll-queue-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version cf1a7837 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_10357f7b-91e8-4bff-85fb-142170698328/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10357f7b-91e8-4bff-85fb-142170698328/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10357f7b-91e8-4bff-85fb-142170698328/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10357f7b-91e8-4bff-85fb-142170698328/bin/ukojak-verify-0OAaufAVZV/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/forester-heap/sll-queue-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10357f7b-91e8-4bff-85fb-142170698328/bin/ukojak-verify-0OAaufAVZV/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10357f7b-91e8-4bff-85fb-142170698328/bin/ukojak-verify-0OAaufAVZV --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a9a441ad5f70efa202eb02609b90cbc83f5bf4487618c2a09bffcfe320d65f90 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:03:47,200 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:03:47,336 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10357f7b-91e8-4bff-85fb-142170698328/bin/ukojak-verify-0OAaufAVZV/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-12 00:03:47,344 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:03:47,345 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-12 00:03:47,383 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:03:47,384 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 00:03:47,385 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 00:03:47,386 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:03:47,390 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:03:47,391 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:03:47,391 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:03:47,392 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:03:47,393 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-12 00:03:47,394 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-12 00:03:47,394 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-12 00:03:47,394 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:03:47,395 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:03:47,395 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:03:47,395 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:03:47,396 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-12 00:03:47,396 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-12 00:03:47,397 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:03:47,398 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:03:47,398 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:03:47,399 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:03:47,399 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-12 00:03:47,400 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:03:47,400 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_10357f7b-91e8-4bff-85fb-142170698328/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10357f7b-91e8-4bff-85fb-142170698328/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a9a441ad5f70efa202eb02609b90cbc83f5bf4487618c2a09bffcfe320d65f90 [2023-11-12 00:03:47,725 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:03:47,752 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:03:47,758 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:03:47,761 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:03:47,761 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:03:47,763 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10357f7b-91e8-4bff-85fb-142170698328/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/forester-heap/sll-queue-1.i [2023-11-12 00:03:51,158 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:03:51,518 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:03:51,519 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10357f7b-91e8-4bff-85fb-142170698328/sv-benchmarks/c/forester-heap/sll-queue-1.i [2023-11-12 00:03:51,535 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10357f7b-91e8-4bff-85fb-142170698328/bin/ukojak-verify-0OAaufAVZV/data/c2c9e4376/9cd9063830bd4a7781d21d0b559a873e/FLAG5da3aabeb [2023-11-12 00:03:51,555 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10357f7b-91e8-4bff-85fb-142170698328/bin/ukojak-verify-0OAaufAVZV/data/c2c9e4376/9cd9063830bd4a7781d21d0b559a873e [2023-11-12 00:03:51,561 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:03:51,563 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:03:51,568 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:03:51,568 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:03:51,577 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:03:51,578 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:03:51" (1/1) ... [2023-11-12 00:03:51,579 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23965fa7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:51, skipping insertion in model container [2023-11-12 00:03:51,580 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:03:51" (1/1) ... [2023-11-12 00:03:51,671 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:03:52,069 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:03:52,088 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:03:52,183 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:03:52,222 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:03:52,223 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:52 WrapperNode [2023-11-12 00:03:52,223 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:03:52,225 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:03:52,225 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:03:52,225 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:03:52,234 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:52" (1/1) ... [2023-11-12 00:03:52,250 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:52" (1/1) ... [2023-11-12 00:03:52,288 INFO L138 Inliner]: procedures = 119, calls = 49, calls flagged for inlining = 16, calls inlined = 16, statements flattened = 265 [2023-11-12 00:03:52,289 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:03:52,290 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:03:52,290 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:03:52,291 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:03:52,302 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:52" (1/1) ... [2023-11-12 00:03:52,302 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:52" (1/1) ... [2023-11-12 00:03:52,307 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:52" (1/1) ... [2023-11-12 00:03:52,308 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:52" (1/1) ... [2023-11-12 00:03:52,323 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:52" (1/1) ... [2023-11-12 00:03:52,333 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:52" (1/1) ... [2023-11-12 00:03:52,336 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:52" (1/1) ... [2023-11-12 00:03:52,339 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:52" (1/1) ... [2023-11-12 00:03:52,344 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:03:52,354 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:03:52,354 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:03:52,354 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:03:52,356 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:52" (1/1) ... [2023-11-12 00:03:52,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:03:52,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10357f7b-91e8-4bff-85fb-142170698328/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-12 00:03:52,401 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10357f7b-91e8-4bff-85fb-142170698328/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-12 00:03:52,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10357f7b-91e8-4bff-85fb-142170698328/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-12 00:03:52,468 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 00:03:52,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:03:52,468 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 00:03:52,469 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:03:52,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 00:03:52,469 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 00:03:52,470 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:03:52,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:03:52,471 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:03:52,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:03:52,659 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:03:52,662 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:03:53,326 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:03:53,431 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:03:53,432 INFO L302 CfgBuilder]: Removed 31 assume(true) statements. [2023-11-12 00:03:53,436 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:03:53 BoogieIcfgContainer [2023-11-12 00:03:53,437 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:03:53,439 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-12 00:03:53,440 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-12 00:03:53,453 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-12 00:03:53,453 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:03:53" (1/1) ... [2023-11-12 00:03:53,467 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:03:53,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:53,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 185 states and 252 transitions. [2023-11-12 00:03:53,562 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 252 transitions. [2023-11-12 00:03:53,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-12 00:03:53,566 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:53,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:53,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:53,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:03:53,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:53,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 184 states and 251 transitions. [2023-11-12 00:03:53,897 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 251 transitions. [2023-11-12 00:03:53,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-12 00:03:53,898 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:53,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:53,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:54,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:03:54,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:54,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 183 states and 250 transitions. [2023-11-12 00:03:54,142 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 250 transitions. [2023-11-12 00:03:54,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-12 00:03:54,142 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:54,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:54,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:54,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:03:54,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:54,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 182 states and 249 transitions. [2023-11-12 00:03:54,201 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 249 transitions. [2023-11-12 00:03:54,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-12 00:03:54,201 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:54,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:54,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:54,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:03:54,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:54,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 181 states and 248 transitions. [2023-11-12 00:03:54,577 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 248 transitions. [2023-11-12 00:03:54,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-12 00:03:54,577 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:54,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:54,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:54,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:03:54,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:54,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 184 states and 252 transitions. [2023-11-12 00:03:54,903 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 252 transitions. [2023-11-12 00:03:54,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-12 00:03:54,903 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:54,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:54,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:55,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:03:55,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:55,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 187 states and 258 transitions. [2023-11-12 00:03:55,374 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 258 transitions. [2023-11-12 00:03:55,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-12 00:03:55,375 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:55,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:55,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:55,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:03:55,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:55,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 186 states and 257 transitions. [2023-11-12 00:03:55,479 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 257 transitions. [2023-11-12 00:03:55,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-12 00:03:55,479 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:55,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:55,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:55,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:03:55,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:55,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 187 states and 259 transitions. [2023-11-12 00:03:55,880 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 259 transitions. [2023-11-12 00:03:55,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-12 00:03:55,881 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:55,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:55,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:55,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:03:56,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:56,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 189 states and 261 transitions. [2023-11-12 00:03:56,284 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 261 transitions. [2023-11-12 00:03:56,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-12 00:03:56,284 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:56,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:56,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:56,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:03:56,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:56,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 191 states and 265 transitions. [2023-11-12 00:03:56,882 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 265 transitions. [2023-11-12 00:03:56,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-12 00:03:56,882 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:56,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:56,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:57,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:03:57,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:57,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 193 states and 269 transitions. [2023-11-12 00:03:57,759 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 269 transitions. [2023-11-12 00:03:57,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-12 00:03:57,762 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:57,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:57,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:57,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:03:57,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:57,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 193 states and 265 transitions. [2023-11-12 00:03:57,792 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 265 transitions. [2023-11-12 00:03:57,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-12 00:03:57,796 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:57,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:57,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:57,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:03:57,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:57,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 192 states and 264 transitions. [2023-11-12 00:03:57,866 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 264 transitions. [2023-11-12 00:03:57,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-12 00:03:57,867 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:57,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:57,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:58,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:03:58,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:58,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 194 states and 267 transitions. [2023-11-12 00:03:58,060 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 267 transitions. [2023-11-12 00:03:58,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-12 00:03:58,061 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:58,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:58,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:58,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:03:58,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:58,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 199 states and 276 transitions. [2023-11-12 00:03:58,604 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 276 transitions. [2023-11-12 00:03:58,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-12 00:03:58,605 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:58,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:58,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:58,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:03:58,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:58,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 199 states and 272 transitions. [2023-11-12 00:03:58,628 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 272 transitions. [2023-11-12 00:03:58,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-12 00:03:58,629 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:58,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:58,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:58,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:03:59,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:59,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 207 states and 289 transitions. [2023-11-12 00:03:59,260 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 289 transitions. [2023-11-12 00:03:59,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-12 00:03:59,261 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:59,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:59,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:59,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:04:00,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:04:00,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 215 states and 307 transitions. [2023-11-12 00:04:00,408 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 307 transitions. [2023-11-12 00:04:00,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-12 00:04:00,409 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:04:00,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:04:00,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:04:00,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:04:01,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:04:01,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 219 states and 314 transitions. [2023-11-12 00:04:01,300 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 314 transitions. [2023-11-12 00:04:01,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-12 00:04:01,300 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:04:01,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:04:01,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:04:01,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:04:01,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:04:01,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 220 states and 315 transitions. [2023-11-12 00:04:01,462 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 315 transitions. [2023-11-12 00:04:01,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-12 00:04:01,462 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:04:01,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:04:01,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:04:01,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:04:01,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:04:01,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 220 states and 311 transitions. [2023-11-12 00:04:01,486 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 311 transitions. [2023-11-12 00:04:01,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-12 00:04:01,487 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:04:01,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:04:01,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:04:01,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:04:01,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:04:01,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 220 states and 310 transitions. [2023-11-12 00:04:01,549 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 310 transitions. [2023-11-12 00:04:01,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-12 00:04:01,550 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:04:01,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:04:01,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:04:01,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:04:02,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:04:02,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 225 states and 318 transitions. [2023-11-12 00:04:02,411 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 318 transitions. [2023-11-12 00:04:02,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-12 00:04:02,412 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:04:02,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:04:02,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:04:02,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:04:02,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:04:02,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 225 states and 317 transitions. [2023-11-12 00:04:02,444 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 317 transitions. [2023-11-12 00:04:02,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-12 00:04:02,447 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:04:02,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:04:02,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:04:02,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:04:02,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:04:02,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 229 states and 325 transitions. [2023-11-12 00:04:02,520 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 325 transitions. [2023-11-12 00:04:02,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-12 00:04:02,520 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:04:02,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:04:02,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:04:02,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:04:02,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:04:02,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 233 states and 333 transitions. [2023-11-12 00:04:02,627 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 333 transitions. [2023-11-12 00:04:02,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-12 00:04:02,627 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:04:02,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:04:02,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:04:02,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:04:03,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:04:03,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 239 states and 345 transitions. [2023-11-12 00:04:03,081 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 345 transitions. [2023-11-12 00:04:03,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-12 00:04:03,081 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:04:03,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:04:03,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:04:03,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:04:03,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:04:03,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 239 states and 343 transitions. [2023-11-12 00:04:03,106 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 343 transitions. [2023-11-12 00:04:03,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-12 00:04:03,107 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:04:03,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:04:03,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:04:03,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:04:05,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:04:05,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 245 states and 353 transitions. [2023-11-12 00:04:05,258 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 353 transitions. [2023-11-12 00:04:05,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-12 00:04:05,258 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:04:05,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:04:05,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:04:05,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:04:05,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:04:05,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 246 states and 354 transitions. [2023-11-12 00:04:05,586 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 354 transitions. [2023-11-12 00:04:05,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-12 00:04:05,587 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:04:05,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:04:05,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:04:06,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:04:08,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:04:08,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 256 states and 373 transitions. [2023-11-12 00:04:08,645 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 373 transitions. [2023-11-12 00:04:08,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-12 00:04:08,645 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:04:08,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:04:08,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:04:09,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:04:13,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:04:13,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 270 states and 399 transitions. [2023-11-12 00:04:13,888 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 399 transitions. [2023-11-12 00:04:13,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-12 00:04:13,889 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:04:13,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:04:13,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:04:14,188 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:04:15,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:04:15,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 274 states and 407 transitions. [2023-11-12 00:04:15,046 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 407 transitions. [2023-11-12 00:04:15,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-12 00:04:15,046 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:04:15,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:04:15,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:04:15,575 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:04:16,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:04:16,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 278 states and 412 transitions. [2023-11-12 00:04:16,729 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 412 transitions. [2023-11-12 00:04:16,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-12 00:04:16,729 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:04:16,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:04:16,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:04:16,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:04:17,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:04:17,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 281 states and 420 transitions. [2023-11-12 00:04:17,864 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 420 transitions. [2023-11-12 00:04:17,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-12 00:04:17,865 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:04:17,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:04:17,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:04:17,896 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-12 00:04:18,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:04:18,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 284 states and 422 transitions. [2023-11-12 00:04:18,127 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 422 transitions. [2023-11-12 00:04:18,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-12 00:04:18,127 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:04:18,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:04:18,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:04:18,359 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:04:22,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:04:22,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 292 states and 437 transitions. [2023-11-12 00:04:22,271 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 437 transitions. [2023-11-12 00:04:22,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-12 00:04:22,271 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:04:22,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:04:22,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:04:22,397 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:04:22,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:04:22,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 293 states and 439 transitions. [2023-11-12 00:04:22,812 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 439 transitions. [2023-11-12 00:04:22,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-12 00:04:22,813 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:04:22,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:04:22,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:04:23,397 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:04:31,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:04:31,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 310 states and 474 transitions. [2023-11-12 00:04:31,033 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 474 transitions. [2023-11-12 00:04:31,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-12 00:04:31,034 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:04:31,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:04:31,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:04:31,111 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:04:31,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:04:31,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 311 states and 475 transitions. [2023-11-12 00:04:31,613 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 475 transitions. [2023-11-12 00:04:31,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-12 00:04:31,614 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:04:31,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:04:31,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:04:31,677 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:04:32,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:04:32,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 312 states and 477 transitions. [2023-11-12 00:04:32,141 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 477 transitions. [2023-11-12 00:04:32,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-12 00:04:32,141 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:04:32,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:04:32,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:04:32,573 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:04:38,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:04:38,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 331 states and 510 transitions. [2023-11-12 00:04:38,363 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 510 transitions. [2023-11-12 00:04:38,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-12 00:04:38,364 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:04:38,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:04:38,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:04:39,126 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.