./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-invgen/half_2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_7d776daf-d0bb-49a6-ae85-da9c14f4a3a4/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d776daf-d0bb-49a6-ae85-da9c14f4a3a4/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d776daf-d0bb-49a6-ae85-da9c14f4a3a4/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d776daf-d0bb-49a6-ae85-da9c14f4a3a4/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/half_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d776daf-d0bb-49a6-ae85-da9c14f4a3a4/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d776daf-d0bb-49a6-ae85-da9c14f4a3a4/bin/ukojak-verify-1t5iHCbJaC --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 0b362a98d328467ff4a069dbed2be3429090ca070e60d49c76297e4bb94402b7 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:09:52,330 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:09:52,448 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d776daf-d0bb-49a6-ae85-da9c14f4a3a4/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:09:52,452 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:09:52,453 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:09:52,475 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:09:52,476 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:09:52,477 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:09:52,478 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:09:52,479 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:09:52,479 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:09:52,480 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:09:52,480 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:09:52,481 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:09:52,482 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:09:52,482 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:09:52,483 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:09:52,483 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:09:52,484 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:09:52,484 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:09:52,485 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:09:52,486 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:09:52,486 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:09:52,487 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:09:52,487 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:09:52,488 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:09:52,488 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:09:52,489 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:09:52,489 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:09:52,489 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:09:52,490 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:09:52,490 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:09:52,491 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:09:52,491 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:09:52,491 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:09:52,491 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_7d776daf-d0bb-49a6-ae85-da9c14f4a3a4/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d776daf-d0bb-49a6-ae85-da9c14f4a3a4/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0b362a98d328467ff4a069dbed2be3429090ca070e60d49c76297e4bb94402b7 [2023-11-23 20:09:52,769 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:09:52,790 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:09:52,793 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:09:52,794 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:09:52,795 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:09:52,796 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d776daf-d0bb-49a6-ae85-da9c14f4a3a4/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/loop-invgen/half_2.i [2023-11-23 20:09:55,881 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:09:56,199 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:09:56,200 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d776daf-d0bb-49a6-ae85-da9c14f4a3a4/sv-benchmarks/c/loop-invgen/half_2.i [2023-11-23 20:09:56,208 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d776daf-d0bb-49a6-ae85-da9c14f4a3a4/bin/ukojak-verify-1t5iHCbJaC/data/b04218c3a/b9ff598ae9a843d5a5ff17d512246a1d/FLAG7cbbc2f55 [2023-11-23 20:09:56,225 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d776daf-d0bb-49a6-ae85-da9c14f4a3a4/bin/ukojak-verify-1t5iHCbJaC/data/b04218c3a/b9ff598ae9a843d5a5ff17d512246a1d [2023-11-23 20:09:56,232 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:09:56,235 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:09:56,238 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:09:56,238 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:09:56,245 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:09:56,248 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:09:56" (1/1) ... [2023-11-23 20:09:56,249 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@215901c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:56, skipping insertion in model container [2023-11-23 20:09:56,249 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:09:56" (1/1) ... [2023-11-23 20:09:56,275 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:09:56,443 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:09:56,454 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:09:56,472 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:09:56,486 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:09:56,486 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:56 WrapperNode [2023-11-23 20:09:56,486 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:09:56,488 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:09:56,488 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:09:56,488 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:09:56,496 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:56" (1/1) ... [2023-11-23 20:09:56,503 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:56" (1/1) ... [2023-11-23 20:09:56,524 INFO L138 Inliner]: procedures = 16, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 61 [2023-11-23 20:09:56,524 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:09:56,525 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:09:56,525 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:09:56,525 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:09:56,534 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:56" (1/1) ... [2023-11-23 20:09:56,535 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:56" (1/1) ... [2023-11-23 20:09:56,549 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:56" (1/1) ... [2023-11-23 20:09:56,550 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:56" (1/1) ... [2023-11-23 20:09:56,553 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:56" (1/1) ... [2023-11-23 20:09:56,559 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:56" (1/1) ... [2023-11-23 20:09:56,569 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:56" (1/1) ... [2023-11-23 20:09:56,570 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:56" (1/1) ... [2023-11-23 20:09:56,574 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:09:56,575 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:09:56,579 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:09:56,580 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:09:56,581 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:56" (1/1) ... [2023-11-23 20:09:56,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:09:56,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d776daf-d0bb-49a6-ae85-da9c14f4a3a4/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:09:56,621 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d776daf-d0bb-49a6-ae85-da9c14f4a3a4/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:09:56,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d776daf-d0bb-49a6-ae85-da9c14f4a3a4/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:09:56,671 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:09:56,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:09:56,671 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:09:56,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:09:56,736 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:09:56,738 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:09:56,943 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:09:56,992 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:09:56,992 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-23 20:09:56,994 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:09:56 BoogieIcfgContainer [2023-11-23 20:09:56,994 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:09:56,995 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:09:56,995 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:09:57,007 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:09:57,007 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:09:56" (1/1) ... [2023-11-23 20:09:57,017 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:09:57,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:09:57,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 27 states and 30 transitions. [2023-11-23 20:09:57,076 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2023-11-23 20:09:57,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 20:09:57,078 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:09:57,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:09:57,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:09:57,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:09:57,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:09:57,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 29 states and 35 transitions. [2023-11-23 20:09:57,382 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 35 transitions. [2023-11-23 20:09:57,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 20:09:57,383 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:09:57,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:09:57,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:09:57,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:09:57,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:09:57,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 31 states and 39 transitions. [2023-11-23 20:09:57,698 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 39 transitions. [2023-11-23 20:09:57,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-23 20:09:57,699 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:09:57,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:09:57,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:09:57,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:09:58,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:09:58,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 34 states and 45 transitions. [2023-11-23 20:09:58,021 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 45 transitions. [2023-11-23 20:09:58,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-23 20:09:58,022 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:09:58,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:09:58,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:09:58,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:09:58,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:09:58,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 36 states and 50 transitions. [2023-11-23 20:09:58,372 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 50 transitions. [2023-11-23 20:09:58,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-23 20:09:58,373 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:09:58,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:09:58,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:09:58,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:09:58,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:09:58,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 39 states and 56 transitions. [2023-11-23 20:09:58,676 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 56 transitions. [2023-11-23 20:09:58,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:09:58,679 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:09:58,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:09:58,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:09:58,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:09:58,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:09:58,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 40 states and 57 transitions. [2023-11-23 20:09:58,730 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 57 transitions. [2023-11-23 20:09:58,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:09:58,731 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:09:58,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:09:58,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:09:58,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:09:58,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:09:58,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 39 states and 56 transitions. [2023-11-23 20:09:58,843 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 56 transitions. [2023-11-23 20:09:58,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 20:09:58,844 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:09:58,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:09:58,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:09:58,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:09:59,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:09:59,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 43 states and 68 transitions. [2023-11-23 20:09:59,606 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 68 transitions. [2023-11-23 20:09:59,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 20:09:59,606 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:09:59,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:09:59,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:09:59,823 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:10:00,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:00,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 48 states and 78 transitions. [2023-11-23 20:10:00,435 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 78 transitions. [2023-11-23 20:10:00,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 20:10:00,435 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:00,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:00,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:00,562 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:10:01,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:01,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 51 states and 85 transitions. [2023-11-23 20:10:01,251 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 85 transitions. [2023-11-23 20:10:01,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 20:10:01,252 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:01,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:01,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:01,405 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:10:01,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:01,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 54 states and 91 transitions. [2023-11-23 20:10:01,963 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 91 transitions. [2023-11-23 20:10:01,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 20:10:01,963 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:01,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:01,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:02,185 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:10:02,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:02,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 57 states and 103 transitions. [2023-11-23 20:10:02,814 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 103 transitions. [2023-11-23 20:10:02,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-23 20:10:02,814 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:02,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:02,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:02,905 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:10:03,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:03,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 61 states and 113 transitions. [2023-11-23 20:10:03,759 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 113 transitions. [2023-11-23 20:10:03,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-23 20:10:03,760 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:03,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:03,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:03,783 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:10:04,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:04,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 62 states and 113 transitions. [2023-11-23 20:10:04,036 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 113 transitions. [2023-11-23 20:10:04,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 20:10:04,044 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:04,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:04,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:04,099 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:10:04,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:04,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 66 states and 124 transitions. [2023-11-23 20:10:04,781 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 124 transitions. [2023-11-23 20:10:04,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 20:10:04,781 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:04,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:04,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:04,805 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:10:05,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:05,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 67 states and 124 transitions. [2023-11-23 20:10:05,041 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 124 transitions. [2023-11-23 20:10:05,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:10:05,042 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:05,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:05,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:05,587 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:10:08,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:08,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 77 states and 145 transitions. [2023-11-23 20:10:08,052 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 145 transitions. [2023-11-23 20:10:08,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:10:08,053 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:08,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:08,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:08,163 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:10:08,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:08,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 78 states and 146 transitions. [2023-11-23 20:10:08,596 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 146 transitions. [2023-11-23 20:10:08,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:10:08,598 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:08,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:08,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:08,700 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:10:10,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:10,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 81 states and 159 transitions. [2023-11-23 20:10:10,007 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 159 transitions. [2023-11-23 20:10:10,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:10:10,012 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:10,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:10,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:10,331 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:10:12,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:12,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 86 states and 176 transitions. [2023-11-23 20:10:12,126 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 176 transitions. [2023-11-23 20:10:12,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:10:12,127 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:12,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:12,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:12,225 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:10:12,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:12,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 87 states and 179 transitions. [2023-11-23 20:10:12,614 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 179 transitions. [2023-11-23 20:10:12,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:10:12,616 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:12,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:12,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:12,717 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:10:13,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:13,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 87 states and 178 transitions. [2023-11-23 20:10:13,112 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 178 transitions. [2023-11-23 20:10:13,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:10:13,113 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:13,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:13,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:13,393 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:10:15,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:15,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 93 states and 193 transitions. [2023-11-23 20:10:15,638 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 193 transitions. [2023-11-23 20:10:15,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:10:15,639 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:15,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:15,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:15,675 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:10:16,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:16,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 94 states and 195 transitions. [2023-11-23 20:10:16,183 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 195 transitions. [2023-11-23 20:10:16,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 20:10:16,183 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:16,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:16,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:16,447 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:10:18,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:18,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 98 states and 203 transitions. [2023-11-23 20:10:18,188 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 203 transitions. [2023-11-23 20:10:18,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 20:10:18,189 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:18,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:18,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:18,659 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:10:20,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:20,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 101 states and 216 transitions. [2023-11-23 20:10:20,056 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 216 transitions. [2023-11-23 20:10:20,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 20:10:20,057 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:20,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:20,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:20,109 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:10:20,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:20,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 102 states and 221 transitions. [2023-11-23 20:10:20,666 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 221 transitions. [2023-11-23 20:10:20,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 20:10:20,667 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:20,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:20,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:20,727 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:10:20,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:20,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 103 states and 228 transitions. [2023-11-23 20:10:20,772 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 228 transitions. [2023-11-23 20:10:20,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:10:20,773 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:20,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:20,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:21,094 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 20:10:23,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:23,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 107 states and 243 transitions. [2023-11-23 20:10:23,635 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 243 transitions. [2023-11-23 20:10:23,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:10:23,636 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:23,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:23,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:23,659 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 20:10:24,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:24,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 108 states and 244 transitions. [2023-11-23 20:10:24,616 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 244 transitions. [2023-11-23 20:10:24,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:10:24,617 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:24,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:24,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:24,671 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 20:10:25,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:25,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 109 states and 246 transitions. [2023-11-23 20:10:25,264 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 246 transitions. [2023-11-23 20:10:25,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:10:25,265 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:25,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:25,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:25,572 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:10:28,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:28,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 113 states and 256 transitions. [2023-11-23 20:10:28,553 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 256 transitions. [2023-11-23 20:10:28,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:10:28,553 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:28,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:28,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:28,857 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-23 20:10:34,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:34,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 127 states and 290 transitions. [2023-11-23 20:10:34,345 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 290 transitions. [2023-11-23 20:10:34,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:10:34,346 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:34,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:34,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:34,368 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-23 20:10:35,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:35,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 129 states and 291 transitions. [2023-11-23 20:10:35,380 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 291 transitions. [2023-11-23 20:10:35,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:10:35,381 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:35,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:35,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:35,405 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-23 20:10:36,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:36,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 131 states and 294 transitions. [2023-11-23 20:10:36,563 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 294 transitions. [2023-11-23 20:10:36,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:10:36,563 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:36,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:36,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:36,902 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:10:40,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:40,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 137 states and 306 transitions. [2023-11-23 20:10:40,620 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 306 transitions. [2023-11-23 20:10:40,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 20:10:40,621 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:40,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:40,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:41,764 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:10:46,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:46,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 146 states and 336 transitions. [2023-11-23 20:10:46,636 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 336 transitions. [2023-11-23 20:10:46,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 20:10:46,637 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:46,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:46,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:46,722 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.