./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength6.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b072ddc3-41e1-49bc-a6e9-4b58f6d4cf2c/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b072ddc3-41e1-49bc-a6e9-4b58f6d4cf2c/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_b072ddc3-41e1-49bc-a6e9-4b58f6d4cf2c/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b072ddc3-41e1-49bc-a6e9-4b58f6d4cf2c/bin/ukojak-verify-0OAaufAVZV/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength6.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b072ddc3-41e1-49bc-a6e9-4b58f6d4cf2c/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_b072ddc3-41e1-49bc-a6e9-4b58f6d4cf2c/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 6ef2b56a2f4ebf2e6f7f4ededf8760f087ff726b08e36644d8dcb52a8d087cd1 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:00:04,679 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:00:04,757 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b072ddc3-41e1-49bc-a6e9-4b58f6d4cf2c/bin/ukojak-verify-0OAaufAVZV/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-12 00:00:04,763 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:00:04,763 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-12 00:00:04,796 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:00:04,798 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 00:00:04,798 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 00:00:04,799 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:00:04,800 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:00:04,800 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:00:04,801 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:00:04,801 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:00:04,802 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-12 00:00:04,803 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-12 00:00:04,803 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-12 00:00:04,804 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:00:04,804 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:00:04,805 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:00:04,806 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:00:04,806 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-12 00:00:04,807 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-12 00:00:04,808 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:00:04,808 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:00:04,809 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:00:04,809 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:00:04,810 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-12 00:00:04,810 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:00:04,811 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_b072ddc3-41e1-49bc-a6e9-4b58f6d4cf2c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b072ddc3-41e1-49bc-a6e9-4b58f6d4cf2c/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6ef2b56a2f4ebf2e6f7f4ededf8760f087ff726b08e36644d8dcb52a8d087cd1 [2023-11-12 00:00:05,147 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:00:05,174 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:00:05,177 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:00:05,200 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:00:05,201 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:00:05,203 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b072ddc3-41e1-49bc-a6e9-4b58f6d4cf2c/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength6.c [2023-11-12 00:00:08,282 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:00:08,562 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:00:08,563 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b072ddc3-41e1-49bc-a6e9-4b58f6d4cf2c/sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength6.c [2023-11-12 00:00:08,570 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b072ddc3-41e1-49bc-a6e9-4b58f6d4cf2c/bin/ukojak-verify-0OAaufAVZV/data/958719c12/9610c78dd91e42a18618d6efacca3f8b/FLAG84370a619 [2023-11-12 00:00:08,586 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b072ddc3-41e1-49bc-a6e9-4b58f6d4cf2c/bin/ukojak-verify-0OAaufAVZV/data/958719c12/9610c78dd91e42a18618d6efacca3f8b [2023-11-12 00:00:08,588 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:00:08,590 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:00:08,592 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:00:08,592 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:00:08,598 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:00:08,599 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:00:08" (1/1) ... [2023-11-12 00:00:08,600 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c7b1c95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:08, skipping insertion in model container [2023-11-12 00:00:08,600 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:00:08" (1/1) ... [2023-11-12 00:00:08,622 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:00:08,775 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:00:08,792 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:00:08,809 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:00:08,825 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:00:08,826 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:08 WrapperNode [2023-11-12 00:00:08,827 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:00:08,828 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:00:08,828 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:00:08,828 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:00:08,834 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:08" (1/1) ... [2023-11-12 00:00:08,841 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:08" (1/1) ... [2023-11-12 00:00:08,861 INFO L138 Inliner]: procedures = 8, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 69 [2023-11-12 00:00:08,862 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:00:08,863 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:00:08,863 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:00:08,863 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:00:08,874 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:08" (1/1) ... [2023-11-12 00:00:08,874 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:08" (1/1) ... [2023-11-12 00:00:08,876 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:08" (1/1) ... [2023-11-12 00:00:08,877 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:08" (1/1) ... [2023-11-12 00:00:08,882 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:08" (1/1) ... [2023-11-12 00:00:08,886 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:08" (1/1) ... [2023-11-12 00:00:08,888 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:08" (1/1) ... [2023-11-12 00:00:08,889 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:08" (1/1) ... [2023-11-12 00:00:08,894 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:00:08,907 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:00:08,908 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:00:08,908 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:00:08,909 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:08" (1/1) ... [2023-11-12 00:00:08,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:00:08,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b072ddc3-41e1-49bc-a6e9-4b58f6d4cf2c/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-12 00:00:08,958 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b072ddc3-41e1-49bc-a6e9-4b58f6d4cf2c/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-12 00:00:08,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b072ddc3-41e1-49bc-a6e9-4b58f6d4cf2c/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-12 00:00:08,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:00:08,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:00:08,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:00:08,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 00:00:08,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:00:08,996 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:00:09,075 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:00:09,077 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:00:09,270 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:00:09,337 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:00:09,337 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-12 00:00:09,340 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:00:09 BoogieIcfgContainer [2023-11-12 00:00:09,340 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:00:09,341 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-12 00:00:09,342 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-12 00:00:09,353 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-12 00:00:09,353 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:00:09" (1/1) ... [2023-11-12 00:00:09,364 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:00:09,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:00:09,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 19 states and 22 transitions. [2023-11-12 00:00:09,425 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2023-11-12 00:00:09,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-12 00:00:09,428 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:00:09,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:00:09,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:00:09,777 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 00:00:09,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:00:09,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2023-11-12 00:00:09,832 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2023-11-12 00:00:09,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-12 00:00:09,835 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:00:09,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:00:09,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:00:09,943 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 00:00:09,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:00:09,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 22 states and 28 transitions. [2023-11-12 00:00:09,991 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 28 transitions. [2023-11-12 00:00:09,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-12 00:00:09,992 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:00:09,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:00:10,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:00:10,108 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 00:00:10,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:00:10,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 30 transitions. [2023-11-12 00:00:10,187 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2023-11-12 00:00:10,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-12 00:00:10,188 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:00:10,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:00:10,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:00:10,341 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 00:00:10,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:00:10,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 27 states and 38 transitions. [2023-11-12 00:00:10,747 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 38 transitions. [2023-11-12 00:00:10,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-12 00:00:10,748 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:00:10,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:00:10,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:00:11,009 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 00:00:11,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:00:11,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 31 states and 45 transitions. [2023-11-12 00:00:11,648 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 45 transitions. [2023-11-12 00:00:11,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-12 00:00:11,648 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:00:11,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:00:11,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:00:11,813 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 00:00:11,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:00:11,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 33 states and 50 transitions. [2023-11-12 00:00:11,952 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 50 transitions. [2023-11-12 00:00:11,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-12 00:00:11,952 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:00:11,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:00:11,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:00:12,140 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:00:13,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:00:13,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 38 states and 61 transitions. [2023-11-12 00:00:13,274 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 61 transitions. [2023-11-12 00:00:13,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-12 00:00:13,274 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:00:13,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:00:13,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:00:13,371 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 00:00:13,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:00:13,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 41 states and 65 transitions. [2023-11-12 00:00:13,796 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 65 transitions. [2023-11-12 00:00:13,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-12 00:00:13,797 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:00:13,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:00:13,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:00:13,826 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:00:14,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:00:14,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 42 states and 67 transitions. [2023-11-12 00:00:14,298 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 67 transitions. [2023-11-12 00:00:14,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-12 00:00:14,298 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:00:14,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:00:14,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:00:14,458 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:00:15,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:00:15,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 45 states and 79 transitions. [2023-11-12 00:00:15,406 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 79 transitions. [2023-11-12 00:00:15,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-12 00:00:15,407 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:00:15,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:00:15,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:00:15,524 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:00:16,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:00:16,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 47 states and 85 transitions. [2023-11-12 00:00:16,203 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 85 transitions. [2023-11-12 00:00:16,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-12 00:00:16,204 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:00:16,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:00:16,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:00:16,344 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:00:16,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:00:16,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 50 states and 94 transitions. [2023-11-12 00:00:16,766 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 94 transitions. [2023-11-12 00:00:16,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-12 00:00:16,766 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:00:16,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:00:16,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:00:16,817 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:00:17,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:00:17,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 51 states and 96 transitions. [2023-11-12 00:00:17,034 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 96 transitions. [2023-11-12 00:00:17,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-12 00:00:17,035 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:00:17,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:00:17,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:00:17,055 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-12 00:00:17,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:00:17,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 52 states and 97 transitions. [2023-11-12 00:00:17,467 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 97 transitions. [2023-11-12 00:00:17,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-12 00:00:17,468 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:00:17,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:00:17,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:00:17,976 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:00:19,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:00:19,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 55 states and 113 transitions. [2023-11-12 00:00:19,315 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 113 transitions. [2023-11-12 00:00:19,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-12 00:00:19,316 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:00:19,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:00:19,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:00:19,545 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:00:20,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:00:20,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 58 states and 123 transitions. [2023-11-12 00:00:20,018 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 123 transitions. [2023-11-12 00:00:20,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-12 00:00:20,019 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:00:20,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:00:20,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:00:20,181 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:00:20,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:00:20,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 61 states and 128 transitions. [2023-11-12 00:00:20,727 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 128 transitions. [2023-11-12 00:00:20,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-12 00:00:20,728 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:00:20,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:00:20,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:00:20,751 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-12 00:00:21,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:00:21,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 62 states and 129 transitions. [2023-11-12 00:00:21,239 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 129 transitions. [2023-11-12 00:00:21,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-12 00:00:21,240 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:00:21,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:00:21,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:00:21,466 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:00:22,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:00:22,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 65 states and 147 transitions. [2023-11-12 00:00:22,817 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 147 transitions. [2023-11-12 00:00:22,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-12 00:00:22,819 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:00:22,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:00:22,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:00:23,117 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:00:23,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:00:23,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 68 states and 159 transitions. [2023-11-12 00:00:23,850 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 159 transitions. [2023-11-12 00:00:23,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-12 00:00:23,851 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:00:23,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:00:23,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:00:24,087 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:00:24,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:00:24,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 69 states and 159 transitions. [2023-11-12 00:00:24,577 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 159 transitions. [2023-11-12 00:00:24,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-12 00:00:24,580 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:00:24,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:00:24,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:00:24,786 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:00:25,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:00:25,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 72 states and 167 transitions. [2023-11-12 00:00:25,777 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 167 transitions. [2023-11-12 00:00:25,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-12 00:00:25,778 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:00:25,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:00:25,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:00:25,874 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:00:26,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:00:26,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 73 states and 167 transitions. [2023-11-12 00:00:26,318 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 167 transitions. [2023-11-12 00:00:26,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-12 00:00:26,318 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:00:26,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:00:26,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:00:26,395 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-12 00:00:26,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:00:26,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 74 states and 168 transitions. [2023-11-12 00:00:26,962 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 168 transitions. [2023-11-12 00:00:26,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-12 00:00:26,963 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:00:26,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:00:26,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:00:27,254 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:00:28,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:00:28,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 77 states and 191 transitions. [2023-11-12 00:00:28,798 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 191 transitions. [2023-11-12 00:00:28,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-12 00:00:28,799 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:00:28,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:00:28,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:00:29,345 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:00:30,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:00:30,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 82 states and 196 transitions. [2023-11-12 00:00:30,549 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 196 transitions. [2023-11-12 00:00:30,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-12 00:00:30,550 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:00:30,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:00:30,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:00:30,785 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:00:31,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:00:31,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 84 states and 205 transitions. [2023-11-12 00:00:31,720 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 205 transitions. [2023-11-12 00:00:31,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-12 00:00:31,721 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:00:31,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:00:31,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:00:31,817 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:00:32,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:00:32,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 85 states and 212 transitions. [2023-11-12 00:00:32,505 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 212 transitions. [2023-11-12 00:00:32,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-12 00:00:32,506 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:00:32,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:00:32,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:00:32,604 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:00:33,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:00:33,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 86 states and 219 transitions. [2023-11-12 00:00:33,265 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 219 transitions. [2023-11-12 00:00:33,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-12 00:00:33,266 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:00:33,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:00:33,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:00:33,699 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:00:34,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:00:34,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 89 states and 236 transitions. [2023-11-12 00:00:34,639 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 236 transitions. [2023-11-12 00:00:34,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-12 00:00:34,640 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:00:34,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:00:34,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:00:34,742 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:00:35,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:00:35,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 90 states and 239 transitions. [2023-11-12 00:00:35,141 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 239 transitions. [2023-11-12 00:00:35,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-12 00:00:35,141 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:00:35,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:00:35,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:00:35,408 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:00:35,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:00:35,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 91 states and 239 transitions. [2023-11-12 00:00:35,958 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 239 transitions. [2023-11-12 00:00:35,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-12 00:00:35,959 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:00:35,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:00:35,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:00:36,232 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:00:36,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:00:36,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 92 states and 239 transitions. [2023-11-12 00:00:36,779 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 239 transitions. [2023-11-12 00:00:36,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-12 00:00:36,779 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:00:36,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:00:36,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:00:37,055 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:00:39,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:00:39,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 98 states and 267 transitions. [2023-11-12 00:00:39,670 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 267 transitions. [2023-11-12 00:00:39,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-12 00:00:39,670 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:00:39,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:00:39,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:00:39,712 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-12 00:00:40,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:00:40,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 99 states and 268 transitions. [2023-11-12 00:00:40,512 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 268 transitions. [2023-11-12 00:00:40,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-12 00:00:40,513 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:00:40,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:00:40,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:00:40,678 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:00:41,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:00:41,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 100 states and 268 transitions. [2023-11-12 00:00:41,079 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 268 transitions. [2023-11-12 00:00:41,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-12 00:00:41,080 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:00:41,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:00:41,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:00:41,333 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:00:42,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:00:42,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 102 states and 277 transitions. [2023-11-12 00:00:42,265 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 277 transitions. [2023-11-12 00:00:42,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-12 00:00:42,265 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:00:42,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:00:42,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:00:42,875 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:00:43,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:00:43,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 105 states and 294 transitions. [2023-11-12 00:00:43,627 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 294 transitions. [2023-11-12 00:00:43,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-12 00:00:43,628 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:00:43,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:00:43,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:00:43,766 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:00:44,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:00:44,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 106 states and 300 transitions. [2023-11-12 00:00:44,207 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 300 transitions. [2023-11-12 00:00:44,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-12 00:00:44,208 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:00:44,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:00:44,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:00:44,247 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-11-12 00:00:45,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:00:45,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 107 states and 301 transitions. [2023-11-12 00:00:45,078 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 301 transitions. [2023-11-12 00:00:45,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-12 00:00:45,078 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:00:45,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:00:45,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:00:45,670 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:00:48,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:00:48,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 110 states and 334 transitions. [2023-11-12 00:00:48,202 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 334 transitions. [2023-11-12 00:00:48,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-12 00:00:48,202 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:00:48,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:00:48,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:00:49,063 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:00:50,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:00:50,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 113 states and 352 transitions. [2023-11-12 00:00:50,388 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 352 transitions. [2023-11-12 00:00:50,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-12 00:00:50,389 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:00:50,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:00:50,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:00:50,944 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:00:51,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:00:51,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 114 states and 352 transitions. [2023-11-12 00:00:51,735 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 352 transitions. [2023-11-12 00:00:51,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-12 00:00:51,735 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:00:51,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:00:51,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:00:52,020 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:00:53,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:00:53,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 117 states and 365 transitions. [2023-11-12 00:00:53,586 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 365 transitions. [2023-11-12 00:00:53,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-12 00:00:53,589 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:00:53,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:00:53,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:00:53,740 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:00:54,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:00:54,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 118 states and 366 transitions. [2023-11-12 00:00:54,367 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 366 transitions. [2023-11-12 00:00:54,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-12 00:00:54,368 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:00:54,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:00:54,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:00:54,474 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.