./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-simple/dll2c_update_all_reverse.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0e0057cc 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_2bd3b9b9-50b1-4eec-a635-91d713692b9e/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bd3b9b9-50b1-4eec-a635-91d713692b9e/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bd3b9b9-50b1-4eec-a635-91d713692b9e/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bd3b9b9-50b1-4eec-a635-91d713692b9e/bin/ukojak-verify-Qdu7aM0XO9/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-simple/dll2c_update_all_reverse.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bd3b9b9-50b1-4eec-a635-91d713692b9e/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bd3b9b9-50b1-4eec-a635-91d713692b9e/bin/ukojak-verify-Qdu7aM0XO9 --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 5247496942546516118f3c28fa350944e097bdf15ee64734ca287a29ad51a034 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:08:59,116 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:08:59,180 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bd3b9b9-50b1-4eec-a635-91d713692b9e/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-12-03 01:08:59,185 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 01:08:59,186 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 01:08:59,218 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:08:59,219 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:08:59,219 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:08:59,220 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:08:59,221 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 01:08:59,221 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 01:08:59,222 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 01:08:59,222 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:08:59,223 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-12-03 01:08:59,223 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-12-03 01:08:59,224 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-12-03 01:08:59,224 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:08:59,225 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 01:08:59,225 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 01:08:59,226 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:08:59,227 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:08:59,227 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:08:59,228 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:08:59,228 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:08:59,229 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:08:59,229 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:08:59,230 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:08:59,230 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 01:08:59,231 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 01:08:59,231 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_2bd3b9b9-50b1-4eec-a635-91d713692b9e/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bd3b9b9-50b1-4eec-a635-91d713692b9e/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5247496942546516118f3c28fa350944e097bdf15ee64734ca287a29ad51a034 [2023-12-03 01:08:59,445 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:08:59,466 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:08:59,468 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:08:59,470 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:08:59,470 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:08:59,471 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bd3b9b9-50b1-4eec-a635-91d713692b9e/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/list-simple/dll2c_update_all_reverse.i [2023-12-03 01:09:02,274 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:09:02,478 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:09:02,478 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bd3b9b9-50b1-4eec-a635-91d713692b9e/sv-benchmarks/c/list-simple/dll2c_update_all_reverse.i [2023-12-03 01:09:02,489 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bd3b9b9-50b1-4eec-a635-91d713692b9e/bin/ukojak-verify-Qdu7aM0XO9/data/37144af70/70ddbce544bb4e868acb245250dfb406/FLAG200fdec76 [2023-12-03 01:09:02,500 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bd3b9b9-50b1-4eec-a635-91d713692b9e/bin/ukojak-verify-Qdu7aM0XO9/data/37144af70/70ddbce544bb4e868acb245250dfb406 [2023-12-03 01:09:02,502 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:09:02,503 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:09:02,504 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:09:02,504 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:09:02,508 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:09:02,509 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:09:02" (1/1) ... [2023-12-03 01:09:02,510 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c97ded4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:09:02, skipping insertion in model container [2023-12-03 01:09:02,510 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:09:02" (1/1) ... [2023-12-03 01:09:02,556 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:09:02,825 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:09:02,835 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:09:02,881 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:09:02,912 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:09:02,913 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:09:02 WrapperNode [2023-12-03 01:09:02,913 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:09:02,914 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:09:02,914 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:09:02,914 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:09:02,922 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:09:02" (1/1) ... [2023-12-03 01:09:02,936 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:09:02" (1/1) ... [2023-12-03 01:09:02,962 INFO L138 Inliner]: procedures = 126, calls = 30, calls flagged for inlining = 10, calls inlined = 11, statements flattened = 158 [2023-12-03 01:09:02,963 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:09:02,963 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:09:02,964 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:09:02,964 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:09:02,973 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:09:02" (1/1) ... [2023-12-03 01:09:02,973 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:09:02" (1/1) ... [2023-12-03 01:09:02,977 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:09:02" (1/1) ... [2023-12-03 01:09:02,978 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:09:02" (1/1) ... [2023-12-03 01:09:02,987 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:09:02" (1/1) ... [2023-12-03 01:09:02,992 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:09:02" (1/1) ... [2023-12-03 01:09:02,994 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:09:02" (1/1) ... [2023-12-03 01:09:02,995 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:09:02" (1/1) ... [2023-12-03 01:09:02,998 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:09:02,999 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:09:02,999 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:09:02,999 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:09:03,000 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:09:02" (1/1) ... [2023-12-03 01:09:03,004 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:09:03,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bd3b9b9-50b1-4eec-a635-91d713692b9e/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:09:03,029 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bd3b9b9-50b1-4eec-a635-91d713692b9e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:09:03,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bd3b9b9-50b1-4eec-a635-91d713692b9e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:09:03,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 01:09:03,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 01:09:03,072 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 01:09:03,072 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:09:03,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 01:09:03,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 01:09:03,072 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 01:09:03,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 01:09:03,073 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:09:03,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:09:03,199 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:09:03,202 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:09:03,496 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:09:03,551 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:09:03,552 INFO L309 CfgBuilder]: Removed 6 assume(true) statements. [2023-12-03 01:09:03,554 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:09:03 BoogieIcfgContainer [2023-12-03 01:09:03,554 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:09:03,555 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:09:03,555 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:09:03,566 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:09:03,566 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:09:03" (1/1) ... [2023-12-03 01:09:03,576 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:09:03,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:09:03,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 83 states and 94 transitions. [2023-12-03 01:09:03,634 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 94 transitions. [2023-12-03 01:09:03,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-03 01:09:03,637 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:09:03,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:09:03,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:09:03,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:09:03,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:09:03,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 82 states and 93 transitions. [2023-12-03 01:09:03,893 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 93 transitions. [2023-12-03 01:09:03,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-03 01:09:03,894 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:09:03,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:09:03,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:09:04,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:09:04,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:09:04,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 81 states and 92 transitions. [2023-12-03 01:09:04,105 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 92 transitions. [2023-12-03 01:09:04,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 01:09:04,105 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:09:04,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:09:04,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:09:04,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:09:04,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:09:04,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 80 states and 91 transitions. [2023-12-03 01:09:04,158 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 91 transitions. [2023-12-03 01:09:04,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 01:09:04,159 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:09:04,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:09:04,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:09:04,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:09:04,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:09:04,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 79 states and 90 transitions. [2023-12-03 01:09:04,347 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 90 transitions. [2023-12-03 01:09:04,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-03 01:09:04,347 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:09:04,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:09:04,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:09:04,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:09:04,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:09:04,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 78 states and 89 transitions. [2023-12-03 01:09:04,399 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 89 transitions. [2023-12-03 01:09:04,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-03 01:09:04,400 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:09:04,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:09:04,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:09:04,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:09:04,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:09:04,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 77 states and 88 transitions. [2023-12-03 01:09:04,500 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 88 transitions. [2023-12-03 01:09:04,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 01:09:04,501 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:09:04,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:09:04,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:09:04,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:09:04,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:09:04,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 78 states and 90 transitions. [2023-12-03 01:09:04,800 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 90 transitions. [2023-12-03 01:09:04,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 01:09:04,801 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:09:04,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:09:04,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:09:04,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:09:04,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:09:04,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 77 states and 89 transitions. [2023-12-03 01:09:04,879 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 89 transitions. [2023-12-03 01:09:04,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 01:09:04,879 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:09:04,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:09:04,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:09:04,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:09:04,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:09:04,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 76 states and 88 transitions. [2023-12-03 01:09:04,980 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 88 transitions. [2023-12-03 01:09:04,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 01:09:04,981 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:09:04,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:09:04,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:09:05,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:09:05,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:09:05,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 75 states and 87 transitions. [2023-12-03 01:09:05,030 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 87 transitions. [2023-12-03 01:09:05,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 01:09:05,031 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:09:05,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:09:05,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:09:05,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:09:05,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:09:05,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 74 states and 86 transitions. [2023-12-03 01:09:05,131 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 86 transitions. [2023-12-03 01:09:05,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 01:09:05,131 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:09:05,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:09:05,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:09:05,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:09:05,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:09:05,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 73 states and 85 transitions. [2023-12-03 01:09:05,181 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 85 transitions. [2023-12-03 01:09:05,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 01:09:05,182 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:09:05,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:09:05,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:09:05,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:09:05,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:09:05,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 72 states and 84 transitions. [2023-12-03 01:09:05,360 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 84 transitions. [2023-12-03 01:09:05,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-03 01:09:05,361 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:09:05,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:09:05,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:09:05,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:09:05,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:09:05,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 71 states and 83 transitions. [2023-12-03 01:09:05,474 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 83 transitions. [2023-12-03 01:09:05,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-03 01:09:05,475 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:09:05,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:09:05,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:09:05,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:09:05,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:09:05,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 70 states and 82 transitions. [2023-12-03 01:09:05,757 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 82 transitions. [2023-12-03 01:09:05,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 01:09:05,758 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:09:05,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:09:05,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:09:05,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:09:06,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:09:06,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 78 states and 95 transitions. [2023-12-03 01:09:06,423 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 95 transitions. [2023-12-03 01:09:06,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 01:09:06,424 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:09:06,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:09:06,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:09:06,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:09:07,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:09:07,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 86 states and 108 transitions. [2023-12-03 01:09:07,443 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 108 transitions. [2023-12-03 01:09:07,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-03 01:09:07,445 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:09:07,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:09:07,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:09:07,588 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:09:08,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:09:08,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 92 states and 115 transitions. [2023-12-03 01:09:08,587 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 115 transitions. [2023-12-03 01:09:08,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 01:09:08,587 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:09:08,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:09:08,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:09:08,818 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:09:10,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:09:10,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 103 states and 143 transitions. [2023-12-03 01:09:10,426 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 143 transitions. [2023-12-03 01:09:10,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 01:09:10,427 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:09:10,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:09:10,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:09:10,833 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:09:13,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:09:13,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 114 states and 173 transitions. [2023-12-03 01:09:13,131 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 173 transitions. [2023-12-03 01:09:13,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 01:09:13,132 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:09:13,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:09:13,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:09:13,212 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:09:14,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:09:14,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 118 states and 186 transitions. [2023-12-03 01:09:14,618 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 186 transitions. [2023-12-03 01:09:14,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 01:09:14,618 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:09:14,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:09:14,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:09:14,756 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:09:16,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:09:16,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 122 states and 196 transitions. [2023-12-03 01:09:16,173 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 196 transitions. [2023-12-03 01:09:16,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-03 01:09:16,174 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:09:16,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:09:16,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:09:16,509 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:09:19,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:09:19,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 136 states and 230 transitions. [2023-12-03 01:09:19,967 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 230 transitions. [2023-12-03 01:09:19,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-03 01:09:19,968 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:09:19,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:09:19,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:09:20,246 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:09:21,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:09:21,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 139 states and 236 transitions. [2023-12-03 01:09:21,092 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 236 transitions. [2023-12-03 01:09:21,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-03 01:09:21,092 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:09:21,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:09:21,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:09:21,784 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:09:23,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:09:23,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 142 states and 246 transitions. [2023-12-03 01:09:23,332 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 246 transitions. [2023-12-03 01:09:23,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 01:09:23,333 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:09:23,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:09:23,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:09:24,862 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:09:32,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:09:32,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 158 states and 285 transitions. [2023-12-03 01:09:32,508 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 285 transitions. [2023-12-03 01:09:32,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 01:09:32,509 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:09:32,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:09:32,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:09:34,505 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:09:43,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:09:43,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 167 states and 319 transitions. [2023-12-03 01:09:43,050 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 319 transitions. [2023-12-03 01:09:43,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 01:09:43,051 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:09:43,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:09:43,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:09:43,307 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:09:47,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:09:47,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 175 states and 334 transitions. [2023-12-03 01:09:47,341 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 334 transitions. [2023-12-03 01:09:47,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 01:09:47,341 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:09:47,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:09:47,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:09:47,730 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 01:09:49,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:09:49,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 177 states and 337 transitions. [2023-12-03 01:09:49,169 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 337 transitions. [2023-12-03 01:09:49,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 01:09:49,170 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:09:49,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:09:49,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:09:49,243 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:09:50,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:09:50,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 83 states and 120 transitions. [2023-12-03 01:09:50,036 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 120 transitions. [2023-12-03 01:09:50,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 01:09:50,036 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:09:50,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:09:50,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:09:50,130 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 01:09:52,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:09:52,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 87 states and 127 transitions. [2023-12-03 01:09:52,888 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 127 transitions. [2023-12-03 01:09:52,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 01:09:52,888 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:09:52,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:09:52,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:09:52,944 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 01:09:53,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:09:53,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 88 states and 129 transitions. [2023-12-03 01:09:53,621 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 129 transitions. [2023-12-03 01:09:53,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 01:09:53,621 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:09:53,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:09:53,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:09:53,792 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 01:09:57,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:09:57,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 93 states and 138 transitions. [2023-12-03 01:09:57,625 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 138 transitions. [2023-12-03 01:09:57,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-03 01:09:57,625 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:09:57,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:09:57,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:09:57,888 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 01:10:02,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:10:02,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 98 states and 147 transitions. [2023-12-03 01:10:02,025 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 147 transitions. [2023-12-03 01:10:02,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-03 01:10:02,025 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:10:02,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:10:02,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:10:02,415 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 01:10:03,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:10:03,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 99 states and 148 transitions. [2023-12-03 01:10:03,268 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 148 transitions. [2023-12-03 01:10:03,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-03 01:10:03,268 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:10:03,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:10:03,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:10:03,498 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 01:10:10,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:10:10,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 109 states and 174 transitions. [2023-12-03 01:10:10,216 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 174 transitions. [2023-12-03 01:10:10,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-03 01:10:10,217 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:10:10,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:10:10,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:10:10,537 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 01:10:11,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:10:11,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 112 states and 181 transitions. [2023-12-03 01:10:11,405 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 181 transitions. [2023-12-03 01:10:11,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-03 01:10:11,406 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:10:11,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:10:11,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:10:11,905 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 01:10:13,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:10:13,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 114 states and 185 transitions. [2023-12-03 01:10:13,584 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 185 transitions. [2023-12-03 01:10:13,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-03 01:10:13,585 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:10:13,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:10:13,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:10:13,665 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 01:10:13,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:10:13,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 115 states and 186 transitions. [2023-12-03 01:10:13,693 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 186 transitions. [2023-12-03 01:10:13,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-03 01:10:13,694 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:10:13,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:10:13,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:10:14,358 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-03 01:10:25,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:10:25,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 127 states and 216 transitions. [2023-12-03 01:10:25,514 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 216 transitions. [2023-12-03 01:10:25,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 01:10:25,514 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:10:25,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:10:25,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:10:25,779 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 01:10:27,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:10:27,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 74 states and 92 transitions. [2023-12-03 01:10:27,435 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 92 transitions. [2023-12-03 01:10:27,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-03 01:10:27,435 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:10:27,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:10:27,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:10:32,229 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:10:55,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:10:55,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 79 states and 104 transitions. [2023-12-03 01:10:55,124 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 104 transitions. [2023-12-03 01:10:55,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-03 01:10:55,124 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:10:55,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:10:55,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:10:58,424 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:11:14,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:11:14,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 82 states and 110 transitions. [2023-12-03 01:11:14,035 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 110 transitions. [2023-12-03 01:11:14,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-12-03 01:11:14,035 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:11:14,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:11:14,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:11:14,900 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 01:11:18,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:11:18,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 85 states and 116 transitions. [2023-12-03 01:11:18,494 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 116 transitions. [2023-12-03 01:11:18,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-12-03 01:11:18,495 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:11:18,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:11:18,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:11:26,507 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:11:51,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:11:51,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 90 states and 125 transitions. [2023-12-03 01:11:51,245 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 125 transitions. [2023-12-03 01:11:51,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-03 01:11:51,246 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:11:51,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:11:51,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:11:51,334 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-03 01:11:57,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:11:57,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 95 states and 134 transitions. [2023-12-03 01:11:57,426 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 134 transitions. [2023-12-03 01:11:57,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-03 01:11:57,427 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:11:57,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:11:57,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:11:57,969 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-03 01:12:04,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:12:04,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 100 states and 144 transitions. [2023-12-03 01:12:04,728 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 144 transitions. [2023-12-03 01:12:04,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-03 01:12:04,729 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:12:04,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:12:04,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:05,132 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-03 01:12:06,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:12:06,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 103 states and 148 transitions. [2023-12-03 01:12:06,263 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 148 transitions. [2023-12-03 01:12:06,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-03 01:12:06,264 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:12:06,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:12:06,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:06,516 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-03 01:12:14,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:12:14,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 109 states and 158 transitions. [2023-12-03 01:12:14,338 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 158 transitions. [2023-12-03 01:12:14,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-03 01:12:14,338 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:12:14,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:12:14,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:14,485 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-03 01:12:22,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:12:22,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 115 states and 168 transitions. [2023-12-03 01:12:22,675 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 168 transitions. [2023-12-03 01:12:22,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-03 01:12:22,675 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:12:22,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:12:22,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:26,288 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 01:12:45,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:12:45,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 61 states and 63 transitions. [2023-12-03 01:12:45,969 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 63 transitions. [2023-12-03 01:12:45,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-03 01:12:45,970 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:12:45,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:12:45,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:46,529 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-12-03 01:12:53,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:12:53,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 60 states and 62 transitions. [2023-12-03 01:12:53,858 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 62 transitions. [2023-12-03 01:12:53,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-03 01:12:53,858 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:12:53,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:12:53,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:54,983 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-12-03 01:13:45,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:13:45,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 59 transitions. [2023-12-03 01:13:45,137 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 59 transitions. [2023-12-03 01:13:45,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-03 01:13:45,137 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:13:45,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:13:45,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:13:46,960 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-03 01:14:11,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:14:11,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 61 states and 63 transitions. [2023-12-03 01:14:11,512 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 63 transitions. [2023-12-03 01:14:11,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-03 01:14:11,512 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:14:11,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:14:11,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:14:13,351 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-12-03 01:14:16,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:14:16,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 63 states and 67 transitions. [2023-12-03 01:14:16,640 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 67 transitions. [2023-12-03 01:14:16,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-03 01:14:16,640 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:14:16,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:14:16,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:14:27,439 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 01:15:01,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:15:01,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 65 states and 72 transitions. [2023-12-03 01:15:01,435 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 72 transitions. [2023-12-03 01:15:01,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-03 01:15:01,436 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:15:01,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:15:01,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:15:04,263 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-12-03 01:16:22,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:16:22,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 68 states and 78 transitions. [2023-12-03 01:16:22,429 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 78 transitions. [2023-12-03 01:16:22,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-03 01:16:22,429 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:16:22,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:16:22,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:16:27,496 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 01:16:32,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:16:32,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 69 states and 78 transitions. [2023-12-03 01:16:32,087 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 78 transitions. [2023-12-03 01:16:32,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-03 01:16:32,087 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:16:32,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:16:32,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:16:32,123 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-12-03 01:16:38,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:16:38,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 73 states and 83 transitions. [2023-12-03 01:16:38,496 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 83 transitions. [2023-12-03 01:16:38,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-03 01:16:38,496 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:16:38,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:16:38,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:16:52,765 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 01:18:46,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:18:46,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 77 states and 90 transitions. [2023-12-03 01:18:46,727 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 90 transitions. [2023-12-03 01:18:46,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-12-03 01:18:46,728 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:18:46,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:18:46,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:18:46,770 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-12-03 01:18:50,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:18:50,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 76 states and 89 transitions. [2023-12-03 01:18:50,911 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 89 transitions. [2023-12-03 01:18:50,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-03 01:18:50,911 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:18:50,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:18:50,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:18:56,332 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-03 01:19:39,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:19:39,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 77 states and 90 transitions. [2023-12-03 01:19:39,178 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 90 transitions. [2023-12-03 01:19:39,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 01:19:39,178 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:19:39,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:19:39,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:19:54,705 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 01:21:51,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:21:51,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 83 states and 102 transitions. [2023-12-03 01:21:51,524 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 102 transitions. [2023-12-03 01:21:51,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 01:21:51,524 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:21:51,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:21:51,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:21:51,599 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-12-03 01:22:03,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:22:03,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 87 states and 106 transitions. [2023-12-03 01:22:03,233 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 106 transitions. [2023-12-03 01:22:03,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 01:22:03,234 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:22:03,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:22:03,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:22:18,532 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked.