./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/forester-heap/dll-queue-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b525a15-e684-4b88-8f3a-6f548a9e7697/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b525a15-e684-4b88-8f3a-6f548a9e7697/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_8b525a15-e684-4b88-8f3a-6f548a9e7697/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b525a15-e684-4b88-8f3a-6f548a9e7697/bin/ukojak-verify-0OAaufAVZV/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/forester-heap/dll-queue-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b525a15-e684-4b88-8f3a-6f548a9e7697/bin/ukojak-verify-0OAaufAVZV/config/svcomp-MemCleanup-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b525a15-e684-4b88-8f3a-6f548a9e7697/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-memcleanup) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 338b6951ab628b0237aa41c64d1786e44f90130a76a8fd0978f750b3fe39d026 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:52:00,506 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:52:00,604 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b525a15-e684-4b88-8f3a-6f548a9e7697/bin/ukojak-verify-0OAaufAVZV/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2023-11-11 23:52:00,610 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:52:00,612 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:52:00,645 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:52:00,646 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:52:00,646 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:52:00,647 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:52:00,647 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:52:00,648 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:52:00,648 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:52:00,649 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:52:00,649 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:52:00,650 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:52:00,650 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-11 23:52:00,651 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-11 23:52:00,651 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:52:00,652 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:52:00,652 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:52:00,653 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:52:00,654 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:52:00,654 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:52:00,654 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:52:00,655 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:52:00,655 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:52:00,656 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:52:00,656 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:52:00,657 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:52:00,657 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:52:00,657 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:52:00,658 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_8b525a15-e684-4b88-8f3a-6f548a9e7697/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b525a15-e684-4b88-8f3a-6f548a9e7697/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 338b6951ab628b0237aa41c64d1786e44f90130a76a8fd0978f750b3fe39d026 [2023-11-11 23:52:00,966 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:52:00,997 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:52:01,000 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:52:01,001 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:52:01,002 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:52:01,003 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b525a15-e684-4b88-8f3a-6f548a9e7697/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/forester-heap/dll-queue-2.i [2023-11-11 23:52:04,227 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:52:04,560 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:52:04,560 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b525a15-e684-4b88-8f3a-6f548a9e7697/sv-benchmarks/c/forester-heap/dll-queue-2.i [2023-11-11 23:52:04,604 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b525a15-e684-4b88-8f3a-6f548a9e7697/bin/ukojak-verify-0OAaufAVZV/data/d5e3acfda/2a7399442dce4b2cb8687815ccb0690b/FLAG359c2b448 [2023-11-11 23:52:04,622 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b525a15-e684-4b88-8f3a-6f548a9e7697/bin/ukojak-verify-0OAaufAVZV/data/d5e3acfda/2a7399442dce4b2cb8687815ccb0690b [2023-11-11 23:52:04,625 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:52:04,627 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:52:04,628 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:52:04,629 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:52:04,634 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:52:04,635 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:52:04" (1/1) ... [2023-11-11 23:52:04,636 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c39ec46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:04, skipping insertion in model container [2023-11-11 23:52:04,637 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:52:04" (1/1) ... [2023-11-11 23:52:04,700 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:52:05,070 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:52:05,081 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:52:05,139 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:52:05,173 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:52:05,174 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:05 WrapperNode [2023-11-11 23:52:05,174 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:52:05,175 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:52:05,176 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:52:05,176 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:52:05,184 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:05" (1/1) ... [2023-11-11 23:52:05,200 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:05" (1/1) ... [2023-11-11 23:52:05,232 INFO L138 Inliner]: procedures = 119, calls = 52, calls flagged for inlining = 16, calls inlined = 16, statements flattened = 266 [2023-11-11 23:52:05,233 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:52:05,234 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:52:05,234 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:52:05,234 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:52:05,245 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:05" (1/1) ... [2023-11-11 23:52:05,246 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:05" (1/1) ... [2023-11-11 23:52:05,251 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:05" (1/1) ... [2023-11-11 23:52:05,252 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:05" (1/1) ... [2023-11-11 23:52:05,268 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:05" (1/1) ... [2023-11-11 23:52:05,278 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:05" (1/1) ... [2023-11-11 23:52:05,281 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:05" (1/1) ... [2023-11-11 23:52:05,283 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:05" (1/1) ... [2023-11-11 23:52:05,289 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:52:05,290 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:52:05,290 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:52:05,290 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:52:05,291 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:05" (1/1) ... [2023-11-11 23:52:05,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:52:05,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b525a15-e684-4b88-8f3a-6f548a9e7697/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:52:05,334 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b525a15-e684-4b88-8f3a-6f548a9e7697/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:52:05,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b525a15-e684-4b88-8f3a-6f548a9e7697/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:52:05,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-11 23:52:05,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-11 23:52:05,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-11 23:52:05,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:52:05,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-11 23:52:05,389 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-11 23:52:05,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:52:05,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:52:05,390 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:52:05,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:52:05,528 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:52:05,530 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:52:05,975 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:52:06,052 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:52:06,052 INFO L302 CfgBuilder]: Removed 31 assume(true) statements. [2023-11-11 23:52:06,055 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:52:06 BoogieIcfgContainer [2023-11-11 23:52:06,055 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:52:06,056 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:52:06,056 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:52:06,068 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:52:06,068 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:52:06" (1/1) ... [2023-11-11 23:52:06,078 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:52:06,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:06,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 106 states and 169 transitions. [2023-11-11 23:52:06,144 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 169 transitions. [2023-11-11 23:52:06,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-11 23:52:06,147 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:06,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:06,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:06,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:52:06,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:06,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 105 states and 162 transitions. [2023-11-11 23:52:06,360 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 162 transitions. [2023-11-11 23:52:06,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-11 23:52:06,361 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:06,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:06,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:06,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:52:06,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:06,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 107 states and 162 transitions. [2023-11-11 23:52:06,697 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 162 transitions. [2023-11-11 23:52:06,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-11 23:52:06,698 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:06,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:06,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:06,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:52:06,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:06,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 108 states and 163 transitions. [2023-11-11 23:52:06,829 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 163 transitions. [2023-11-11 23:52:06,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-11 23:52:06,830 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:06,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:06,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:07,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:52:07,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:07,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 111 states and 166 transitions. [2023-11-11 23:52:07,648 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 166 transitions. [2023-11-11 23:52:07,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-11 23:52:07,648 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:07,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:07,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:07,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:52:07,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:07,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 115 states and 170 transitions. [2023-11-11 23:52:07,963 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 170 transitions. [2023-11-11 23:52:07,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-11 23:52:07,967 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:07,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:07,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:08,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:52:08,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:08,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 115 states and 166 transitions. [2023-11-11 23:52:08,029 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 166 transitions. [2023-11-11 23:52:08,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-11 23:52:08,032 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:08,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:08,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:08,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:52:08,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:08,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 115 states and 162 transitions. [2023-11-11 23:52:08,099 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 162 transitions. [2023-11-11 23:52:08,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-11 23:52:08,100 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:08,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:08,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:08,171 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-11 23:52:08,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:08,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 100 states and 143 transitions. [2023-11-11 23:52:08,218 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 143 transitions. [2023-11-11 23:52:08,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-11 23:52:08,219 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:08,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:08,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:08,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:52:08,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:08,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 100 states and 141 transitions. [2023-11-11 23:52:08,249 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 141 transitions. [2023-11-11 23:52:08,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-11 23:52:08,250 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:08,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:08,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:08,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:52:08,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:08,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 106 states and 155 transitions. [2023-11-11 23:52:08,350 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 155 transitions. [2023-11-11 23:52:08,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-11 23:52:08,351 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:08,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:08,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:08,469 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:52:09,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:09,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 119 states and 186 transitions. [2023-11-11 23:52:09,091 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 186 transitions. [2023-11-11 23:52:09,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-11 23:52:09,092 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:09,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:09,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:09,169 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:52:09,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:09,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 116 states and 183 transitions. [2023-11-11 23:52:09,243 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 183 transitions. [2023-11-11 23:52:09,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-11 23:52:09,245 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:09,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:09,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:09,443 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:52:10,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:10,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 127 states and 207 transitions. [2023-11-11 23:52:10,094 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 207 transitions. [2023-11-11 23:52:10,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-11 23:52:10,095 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:10,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:10,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:10,200 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:52:10,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:10,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 128 states and 210 transitions. [2023-11-11 23:52:10,382 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 210 transitions. [2023-11-11 23:52:10,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-11 23:52:10,382 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:10,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:10,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:10,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:52:10,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:10,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 132 states and 216 transitions. [2023-11-11 23:52:10,665 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 216 transitions. [2023-11-11 23:52:10,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-11 23:52:10,666 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:10,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:10,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:10,787 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:52:11,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:11,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 141 states and 228 transitions. [2023-11-11 23:52:11,664 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 228 transitions. [2023-11-11 23:52:11,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-11 23:52:11,665 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:11,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:11,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:11,740 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:52:11,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:11,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 143 states and 230 transitions. [2023-11-11 23:52:11,992 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 230 transitions. [2023-11-11 23:52:11,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-11 23:52:11,992 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:11,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:12,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:12,371 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:52:13,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:13,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 157 states and 249 transitions. [2023-11-11 23:52:13,972 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 249 transitions. [2023-11-11 23:52:13,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-11 23:52:13,973 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:13,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:14,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:14,238 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:52:14,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:14,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 159 states and 251 transitions. [2023-11-11 23:52:14,548 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 251 transitions. [2023-11-11 23:52:14,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-11 23:52:14,549 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:14,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:14,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:14,885 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:52:15,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:15,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 161 states and 254 transitions. [2023-11-11 23:52:15,544 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 254 transitions. [2023-11-11 23:52:15,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-11 23:52:15,547 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:15,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:15,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:15,638 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:52:16,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:16,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 163 states and 257 transitions. [2023-11-11 23:52:16,286 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 257 transitions. [2023-11-11 23:52:16,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-11 23:52:16,286 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:16,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:16,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:16,366 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-11 23:52:16,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:16,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 165 states and 261 transitions. [2023-11-11 23:52:16,491 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 261 transitions. [2023-11-11 23:52:16,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-11 23:52:16,491 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:16,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:16,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:16,569 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:52:16,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:16,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 166 states and 266 transitions. [2023-11-11 23:52:16,593 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 266 transitions. [2023-11-11 23:52:16,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-11 23:52:16,594 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:16,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:16,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:16,650 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-11 23:52:16,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:16,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 168 states and 269 transitions. [2023-11-11 23:52:16,682 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 269 transitions. [2023-11-11 23:52:16,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-11 23:52:16,684 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:16,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:16,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:16,729 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:52:17,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:17,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 171 states and 273 transitions. [2023-11-11 23:52:17,154 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 273 transitions. [2023-11-11 23:52:17,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-11 23:52:17,155 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:17,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:17,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:18,371 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:52:20,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:20,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 188 states and 308 transitions. [2023-11-11 23:52:20,954 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 308 transitions. [2023-11-11 23:52:20,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-11 23:52:20,955 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:20,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:20,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:21,531 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:52:22,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:22,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 192 states and 313 transitions. [2023-11-11 23:52:22,205 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 313 transitions. [2023-11-11 23:52:22,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-11 23:52:22,206 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:22,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:22,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:22,471 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:52:23,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:23,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 200 states and 335 transitions. [2023-11-11 23:52:23,906 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 335 transitions. [2023-11-11 23:52:23,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-11 23:52:23,907 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:23,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:23,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:24,200 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:52:25,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:25,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 210 states and 348 transitions. [2023-11-11 23:52:25,818 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 348 transitions. [2023-11-11 23:52:25,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-11 23:52:25,819 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:25,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:25,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:25,947 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:52:26,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:26,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 212 states and 351 transitions. [2023-11-11 23:52:26,488 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 351 transitions. [2023-11-11 23:52:26,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-11 23:52:26,489 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:26,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:26,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:27,304 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:52:30,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:30,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 232 states and 392 transitions. [2023-11-11 23:52:30,632 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 392 transitions. [2023-11-11 23:52:30,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-11 23:52:30,633 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:30,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:30,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:30,999 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:52:31,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:31,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 236 states and 404 transitions. [2023-11-11 23:52:31,674 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 404 transitions. [2023-11-11 23:52:31,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-11 23:52:31,676 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:31,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:31,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:32,061 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:52:32,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:32,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 237 states and 407 transitions. [2023-11-11 23:52:32,416 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 407 transitions. [2023-11-11 23:52:32,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-11 23:52:32,417 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:32,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:32,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:32,768 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:52:33,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:33,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 238 states and 413 transitions. [2023-11-11 23:52:33,162 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 413 transitions. [2023-11-11 23:52:33,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-11 23:52:33,163 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:33,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:33,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:34,309 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:52:40,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:40,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 260 states and 459 transitions. [2023-11-11 23:52:40,435 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 459 transitions. [2023-11-11 23:52:40,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-11 23:52:40,436 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:40,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:40,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:41,096 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:52:42,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:42,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 263 states and 468 transitions. [2023-11-11 23:52:42,641 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 468 transitions. [2023-11-11 23:52:42,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-11 23:52:42,642 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:42,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:42,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:43,634 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:52:49,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:49,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 280 states and 506 transitions. [2023-11-11 23:52:49,713 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 506 transitions. [2023-11-11 23:52:49,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-11 23:52:49,714 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:49,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:49,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:50,119 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.