./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/verifythis/elimination_max.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba82cda9-9f93-4738-bc39-9575a43f3bf8/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba82cda9-9f93-4738-bc39-9575a43f3bf8/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_ba82cda9-9f93-4738-bc39-9575a43f3bf8/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba82cda9-9f93-4738-bc39-9575a43f3bf8/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/verifythis/elimination_max.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba82cda9-9f93-4738-bc39-9575a43f3bf8/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba82cda9-9f93-4738-bc39-9575a43f3bf8/bin/ukojak-verify-0OAaufAVZV --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0bc7b1b837bfd7794f122f6504da8d835bb2276ae4afe0cc0d058d385032d49e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:44:11,286 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:44:11,412 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba82cda9-9f93-4738-bc39-9575a43f3bf8/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-11 23:44:11,421 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:44:11,422 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:44:11,466 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:44:11,474 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:44:11,475 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:44:11,476 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:44:11,483 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:44:11,485 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:44:11,485 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:44:11,486 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:44:11,488 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:44:11,488 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:44:11,489 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:44:11,489 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:44:11,490 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:44:11,490 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:44:11,491 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:44:11,491 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:44:11,492 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:44:11,492 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:44:11,494 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:44:11,494 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:44:11,495 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:44:11,496 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:44:11,510 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:44:11,511 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:44:11,511 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:44:11,513 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:44:11,513 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:44:11,513 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:44:11,514 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:44:11,514 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_ba82cda9-9f93-4738-bc39-9575a43f3bf8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba82cda9-9f93-4738-bc39-9575a43f3bf8/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0bc7b1b837bfd7794f122f6504da8d835bb2276ae4afe0cc0d058d385032d49e [2023-11-11 23:44:11,817 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:44:11,849 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:44:11,851 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:44:11,853 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:44:11,853 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:44:11,855 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba82cda9-9f93-4738-bc39-9575a43f3bf8/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/verifythis/elimination_max.c [2023-11-11 23:44:14,951 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:44:15,195 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:44:15,196 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba82cda9-9f93-4738-bc39-9575a43f3bf8/sv-benchmarks/c/verifythis/elimination_max.c [2023-11-11 23:44:15,211 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba82cda9-9f93-4738-bc39-9575a43f3bf8/bin/ukojak-verify-0OAaufAVZV/data/2d857e07e/ceee5c80d31a4ee283a8fd5067374906/FLAG0ae932aed [2023-11-11 23:44:15,229 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba82cda9-9f93-4738-bc39-9575a43f3bf8/bin/ukojak-verify-0OAaufAVZV/data/2d857e07e/ceee5c80d31a4ee283a8fd5067374906 [2023-11-11 23:44:15,237 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:44:15,241 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:44:15,242 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:44:15,242 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:44:15,247 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:44:15,248 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:44:15" (1/1) ... [2023-11-11 23:44:15,249 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@dab0959 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:15, skipping insertion in model container [2023-11-11 23:44:15,249 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:44:15" (1/1) ... [2023-11-11 23:44:15,268 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:44:15,447 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:44:15,459 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:44:15,476 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:44:15,492 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:44:15,493 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:15 WrapperNode [2023-11-11 23:44:15,493 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:44:15,494 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:44:15,495 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:44:15,495 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:44:15,503 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:15" (1/1) ... [2023-11-11 23:44:15,510 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:15" (1/1) ... [2023-11-11 23:44:15,532 INFO L138 Inliner]: procedures = 18, calls = 21, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 77 [2023-11-11 23:44:15,533 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:44:15,533 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:44:15,534 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:44:15,534 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:44:15,543 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:15" (1/1) ... [2023-11-11 23:44:15,543 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:15" (1/1) ... [2023-11-11 23:44:15,546 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:15" (1/1) ... [2023-11-11 23:44:15,547 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:15" (1/1) ... [2023-11-11 23:44:15,553 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:15" (1/1) ... [2023-11-11 23:44:15,557 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:15" (1/1) ... [2023-11-11 23:44:15,559 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:15" (1/1) ... [2023-11-11 23:44:15,560 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:15" (1/1) ... [2023-11-11 23:44:15,562 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:44:15,563 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:44:15,564 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:44:15,564 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:44:15,565 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:15" (1/1) ... [2023-11-11 23:44:15,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:44:15,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba82cda9-9f93-4738-bc39-9575a43f3bf8/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:44:15,601 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba82cda9-9f93-4738-bc39-9575a43f3bf8/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:44:15,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba82cda9-9f93-4738-bc39-9575a43f3bf8/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:44:15,640 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:44:15,641 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-11 23:44:15,641 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-11 23:44:15,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:44:15,641 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-11 23:44:15,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:44:15,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:44:15,642 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-11 23:44:15,642 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-11 23:44:15,642 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-11 23:44:15,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:44:15,715 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:44:15,717 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:44:15,954 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:44:16,008 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:44:16,008 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-11 23:44:16,011 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:44:16 BoogieIcfgContainer [2023-11-11 23:44:16,011 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:44:16,012 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:44:16,012 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:44:16,022 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:44:16,023 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:44:16" (1/1) ... [2023-11-11 23:44:16,032 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:44:16,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:16,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 33 states and 37 transitions. [2023-11-11 23:44:16,082 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 37 transitions. [2023-11-11 23:44:16,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-11 23:44:16,086 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:16,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:16,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:16,420 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 23:44:16,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:16,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 32 states and 36 transitions. [2023-11-11 23:44:16,487 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 36 transitions. [2023-11-11 23:44:16,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-11 23:44:16,488 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:16,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:16,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:16,580 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 23:44:16,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:16,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 31 states and 35 transitions. [2023-11-11 23:44:16,668 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 35 transitions. [2023-11-11 23:44:16,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-11 23:44:16,670 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:16,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:16,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:16,790 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 23:44:17,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:17,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 34 states and 42 transitions. [2023-11-11 23:44:17,048 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 42 transitions. [2023-11-11 23:44:17,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-11 23:44:17,049 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:17,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:17,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:17,149 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 23:44:17,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:17,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 35 states and 44 transitions. [2023-11-11 23:44:17,290 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 44 transitions. [2023-11-11 23:44:17,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-11 23:44:17,291 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:17,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:17,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:17,374 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 23:44:17,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:17,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 36 states and 45 transitions. [2023-11-11 23:44:17,390 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 45 transitions. [2023-11-11 23:44:17,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-11 23:44:17,391 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:17,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:17,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:17,522 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 23:44:17,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:17,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 40 states and 54 transitions. [2023-11-11 23:44:17,904 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 54 transitions. [2023-11-11 23:44:17,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-11 23:44:17,906 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:17,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:17,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:18,019 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:44:18,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:18,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 43 states and 64 transitions. [2023-11-11 23:44:18,233 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 64 transitions. [2023-11-11 23:44:18,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-11 23:44:18,235 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:18,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:18,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:18,280 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 23:44:18,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:18,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 44 states and 66 transitions. [2023-11-11 23:44:18,543 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 66 transitions. [2023-11-11 23:44:18,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-11 23:44:18,544 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:18,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:18,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:18,762 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 23:44:19,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:19,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 46 states and 72 transitions. [2023-11-11 23:44:19,714 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 72 transitions. [2023-11-11 23:44:19,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-11 23:44:19,715 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:19,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:19,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:19,870 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:44:20,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:20,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 50 states and 82 transitions. [2023-11-11 23:44:20,352 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 82 transitions. [2023-11-11 23:44:20,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-11 23:44:20,353 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:20,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:20,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:20,398 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 23:44:20,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:20,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 54 states and 87 transitions. [2023-11-11 23:44:20,806 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 87 transitions. [2023-11-11 23:44:20,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-11 23:44:20,807 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:20,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:20,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:20,946 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:44:21,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:21,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 55 states and 87 transitions. [2023-11-11 23:44:21,022 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 87 transitions. [2023-11-11 23:44:21,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-11 23:44:21,023 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:21,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:21,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:21,338 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:44:22,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:22,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 61 states and 102 transitions. [2023-11-11 23:44:22,872 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 102 transitions. [2023-11-11 23:44:22,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-11 23:44:22,873 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:22,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:22,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:23,042 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:44:23,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:23,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 65 states and 112 transitions. [2023-11-11 23:44:23,565 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 112 transitions. [2023-11-11 23:44:23,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-11 23:44:23,566 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:23,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:23,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:23,640 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-11 23:44:24,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:24,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 69 states and 117 transitions. [2023-11-11 23:44:24,183 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 117 transitions. [2023-11-11 23:44:24,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-11 23:44:24,186 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:24,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:24,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:24,406 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-11 23:44:24,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:24,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 73 states and 124 transitions. [2023-11-11 23:44:24,596 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 124 transitions. [2023-11-11 23:44:24,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-11 23:44:24,597 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:24,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:24,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:24,664 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-11 23:44:24,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:24,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 74 states and 125 transitions. [2023-11-11 23:44:24,680 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 125 transitions. [2023-11-11 23:44:24,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-11 23:44:24,684 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:24,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:24,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:24,855 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:44:25,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:25,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 76 states and 128 transitions. [2023-11-11 23:44:25,413 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 128 transitions. [2023-11-11 23:44:25,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-11 23:44:25,414 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:25,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:25,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:25,643 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:44:26,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:26,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 80 states and 138 transitions. [2023-11-11 23:44:26,235 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 138 transitions. [2023-11-11 23:44:26,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-11 23:44:26,236 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:26,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:26,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:26,275 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-11 23:44:26,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:26,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 84 states and 143 transitions. [2023-11-11 23:44:26,829 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 143 transitions. [2023-11-11 23:44:26,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-11 23:44:26,830 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:26,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:26,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:26,884 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:44:27,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:27,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 86 states and 146 transitions. [2023-11-11 23:44:27,459 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 146 transitions. [2023-11-11 23:44:27,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-11 23:44:27,461 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:27,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:27,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:27,710 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-11 23:44:28,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:28,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 90 states and 153 transitions. [2023-11-11 23:44:28,231 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 153 transitions. [2023-11-11 23:44:28,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-11 23:44:28,232 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:28,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:28,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:28,509 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-11 23:44:29,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:29,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 95 states and 160 transitions. [2023-11-11 23:44:29,207 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 160 transitions. [2023-11-11 23:44:29,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-11 23:44:29,208 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:29,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:29,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:29,535 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:44:30,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:30,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 99 states and 170 transitions. [2023-11-11 23:44:30,241 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 170 transitions. [2023-11-11 23:44:30,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-11 23:44:30,241 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:30,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:30,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:30,295 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-11-11 23:44:31,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:31,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 103 states and 175 transitions. [2023-11-11 23:44:31,002 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 175 transitions. [2023-11-11 23:44:31,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-11 23:44:31,003 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:31,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:31,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:31,092 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:44:31,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:31,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 105 states and 178 transitions. [2023-11-11 23:44:31,744 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 178 transitions. [2023-11-11 23:44:31,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-11 23:44:31,745 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:31,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:31,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:32,046 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:44:32,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:32,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 109 states and 188 transitions. [2023-11-11 23:44:32,797 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 188 transitions. [2023-11-11 23:44:32,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-11 23:44:32,798 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:32,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:32,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:32,900 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-11 23:44:37,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:37,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 127 states and 231 transitions. [2023-11-11 23:44:37,369 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 231 transitions. [2023-11-11 23:44:37,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-11 23:44:37,370 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:37,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:37,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:37,477 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-11-11 23:44:37,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:37,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 127 states and 230 transitions. [2023-11-11 23:44:37,943 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 230 transitions. [2023-11-11 23:44:37,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-11 23:44:37,943 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:37,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:37,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:38,837 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-11 23:44:40,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:40,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 138 states and 253 transitions. [2023-11-11 23:44:40,970 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 253 transitions. [2023-11-11 23:44:40,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-11 23:44:40,971 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:40,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:41,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:41,389 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:44:42,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:42,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 142 states and 263 transitions. [2023-11-11 23:44:42,442 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 263 transitions. [2023-11-11 23:44:42,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-11 23:44:42,443 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:42,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:42,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:42,501 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-11-11 23:44:44,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:44,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 150 states and 275 transitions. [2023-11-11 23:44:44,999 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 275 transitions. [2023-11-11 23:44:45,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-11 23:44:45,000 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:45,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:45,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:45,197 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 36 proven. 6 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-11 23:44:45,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:45,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 150 states and 274 transitions. [2023-11-11 23:44:45,758 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 274 transitions. [2023-11-11 23:44:45,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-11 23:44:45,759 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:45,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:45,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:45,878 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 36 proven. 4 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-11 23:44:46,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:46,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 150 states and 273 transitions. [2023-11-11 23:44:46,378 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 273 transitions. [2023-11-11 23:44:46,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-11 23:44:46,379 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:46,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:46,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:46,681 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-11 23:44:46,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:46,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 145 states and 263 transitions. [2023-11-11 23:44:46,811 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 263 transitions. [2023-11-11 23:44:46,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-11 23:44:46,812 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:46,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:46,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:48,407 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 9 proven. 7 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-11 23:44:55,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:55,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 164 states and 307 transitions. [2023-11-11 23:44:55,726 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 307 transitions. [2023-11-11 23:44:55,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-11 23:44:55,727 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:55,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:55,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:56,187 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:44:57,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:57,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 168 states and 318 transitions. [2023-11-11 23:44:57,355 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 318 transitions. [2023-11-11 23:44:57,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-11 23:44:57,356 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:57,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:57,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:57,398 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2023-11-11 23:44:58,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:58,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 172 states and 323 transitions. [2023-11-11 23:44:58,552 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 323 transitions. [2023-11-11 23:44:58,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-11 23:44:58,553 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:58,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:58,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:58,659 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:44:59,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:59,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 174 states and 326 transitions. [2023-11-11 23:44:59,862 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 326 transitions. [2023-11-11 23:44:59,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-11 23:44:59,863 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:59,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:59,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:45:00,355 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-11-11 23:45:02,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:45:02,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 176 states and 330 transitions. [2023-11-11 23:45:02,223 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 330 transitions. [2023-11-11 23:45:02,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-11 23:45:02,224 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:45:02,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:45:02,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:45:02,716 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-11 23:45:04,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:45:04,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 181 states and 337 transitions. [2023-11-11 23:45:04,465 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 337 transitions. [2023-11-11 23:45:04,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-11 23:45:04,466 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:45:04,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:45:04,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat