./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 527bcce2 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_3953d416-48d0-4c59-98a2-0f40de260bcb/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3953d416-48d0-4c59-98a2-0f40de260bcb/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3953d416-48d0-4c59-98a2-0f40de260bcb/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3953d416-48d0-4c59-98a2-0f40de260bcb/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/half_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3953d416-48d0-4c59-98a2-0f40de260bcb/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3953d416-48d0-4c59-98a2-0f40de260bcb/bin/ukojak-verify-i0I2FZA1j2 --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-527bcce [2023-11-21 18:45:56,321 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:45:56,434 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3953d416-48d0-4c59-98a2-0f40de260bcb/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:45:56,439 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:45:56,439 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:45:56,466 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:45:56,467 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:45:56,467 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:45:56,468 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:45:56,469 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:45:56,469 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:45:56,470 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:45:56,471 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:45:56,471 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:45:56,472 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:45:56,475 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:45:56,477 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:45:56,481 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:45:56,481 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:45:56,481 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:45:56,483 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:45:56,484 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:45:56,484 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:45:56,484 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:45:56,485 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:45:56,486 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:45:56,486 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:45:56,486 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:45:56,487 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:45:56,487 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:45:56,488 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:45:56,489 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:45:56,489 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:45:56,489 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:45:56,489 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:45:56,489 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_3953d416-48d0-4c59-98a2-0f40de260bcb/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3953d416-48d0-4c59-98a2-0f40de260bcb/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0b362a98d328467ff4a069dbed2be3429090ca070e60d49c76297e4bb94402b7 [2023-11-21 18:45:56,776 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:45:56,797 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:45:56,800 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:45:56,801 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:45:56,802 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:45:56,804 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3953d416-48d0-4c59-98a2-0f40de260bcb/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/loop-invgen/half_2.i [2023-11-21 18:46:00,090 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:46:00,375 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:46:00,375 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3953d416-48d0-4c59-98a2-0f40de260bcb/sv-benchmarks/c/loop-invgen/half_2.i [2023-11-21 18:46:00,385 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3953d416-48d0-4c59-98a2-0f40de260bcb/bin/ukojak-verify-i0I2FZA1j2/data/82e8cad7d/b5b2a070b45246a0926997d9ce4eb022/FLAG7a6527ff3 [2023-11-21 18:46:00,401 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3953d416-48d0-4c59-98a2-0f40de260bcb/bin/ukojak-verify-i0I2FZA1j2/data/82e8cad7d/b5b2a070b45246a0926997d9ce4eb022 [2023-11-21 18:46:00,404 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:46:00,406 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:46:00,407 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:46:00,408 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:46:00,413 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:46:00,414 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:46:00" (1/1) ... [2023-11-21 18:46:00,415 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a5bcb17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:00, skipping insertion in model container [2023-11-21 18:46:00,415 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:46:00" (1/1) ... [2023-11-21 18:46:00,438 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:46:00,660 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:46:00,673 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:46:00,705 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:46:00,722 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:46:00,722 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:00 WrapperNode [2023-11-21 18:46:00,723 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:46:00,724 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:46:00,724 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:46:00,725 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:46:00,733 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:00" (1/1) ... [2023-11-21 18:46:00,742 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:00" (1/1) ... [2023-11-21 18:46:00,768 INFO L138 Inliner]: procedures = 16, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 61 [2023-11-21 18:46:00,769 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:46:00,770 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:46:00,770 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:46:00,771 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:46:00,780 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:00" (1/1) ... [2023-11-21 18:46:00,781 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:00" (1/1) ... [2023-11-21 18:46:00,791 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:00" (1/1) ... [2023-11-21 18:46:00,792 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:00" (1/1) ... [2023-11-21 18:46:00,801 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:00" (1/1) ... [2023-11-21 18:46:00,810 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:00" (1/1) ... [2023-11-21 18:46:00,811 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:00" (1/1) ... [2023-11-21 18:46:00,813 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:00" (1/1) ... [2023-11-21 18:46:00,814 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:46:00,820 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:46:00,821 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:46:00,821 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:46:00,822 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:00" (1/1) ... [2023-11-21 18:46:00,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:46:00,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3953d416-48d0-4c59-98a2-0f40de260bcb/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:46:00,858 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3953d416-48d0-4c59-98a2-0f40de260bcb/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:46:00,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3953d416-48d0-4c59-98a2-0f40de260bcb/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:46:00,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:46:00,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:46:00,906 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:46:00,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:46:00,984 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:46:00,987 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:46:01,221 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:46:01,279 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:46:01,279 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 18:46:01,281 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:46:01 BoogieIcfgContainer [2023-11-21 18:46:01,281 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:46:01,282 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:46:01,282 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:46:01,295 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:46:01,295 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:46:01" (1/1) ... [2023-11-21 18:46:01,305 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:46:01,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:01,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 27 states and 30 transitions. [2023-11-21 18:46:01,362 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2023-11-21 18:46:01,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:46:01,365 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:01,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:01,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:01,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:01,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:01,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 29 states and 35 transitions. [2023-11-21 18:46:01,752 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 35 transitions. [2023-11-21 18:46:01,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:46:01,753 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:01,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:01,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:01,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:02,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:02,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 31 states and 39 transitions. [2023-11-21 18:46:02,064 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 39 transitions. [2023-11-21 18:46:02,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-21 18:46:02,065 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:02,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:02,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:02,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:02,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:02,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 34 states and 45 transitions. [2023-11-21 18:46:02,315 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 45 transitions. [2023-11-21 18:46:02,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-21 18:46:02,316 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:02,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:02,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:02,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:02,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:02,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 36 states and 50 transitions. [2023-11-21 18:46:02,620 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 50 transitions. [2023-11-21 18:46:02,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:46:02,621 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:02,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:02,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:02,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:02,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:02,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 39 states and 56 transitions. [2023-11-21 18:46:02,870 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 56 transitions. [2023-11-21 18:46:02,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:46:02,873 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:02,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:02,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:02,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:02,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:02,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 40 states and 57 transitions. [2023-11-21 18:46:02,921 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 57 transitions. [2023-11-21 18:46:02,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:46:02,922 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:02,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:02,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:02,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:03,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:03,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 39 states and 56 transitions. [2023-11-21 18:46:03,053 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 56 transitions. [2023-11-21 18:46:03,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:46:03,054 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:03,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:03,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:03,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:03,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:03,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 43 states and 68 transitions. [2023-11-21 18:46:03,819 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 68 transitions. [2023-11-21 18:46:03,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:46:03,819 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:03,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:03,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:04,023 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:04,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:04,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 48 states and 78 transitions. [2023-11-21 18:46:04,637 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 78 transitions. [2023-11-21 18:46:04,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:46:04,637 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:04,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:04,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:04,808 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:05,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:05,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 51 states and 85 transitions. [2023-11-21 18:46:05,500 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 85 transitions. [2023-11-21 18:46:05,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:46:05,501 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:05,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:05,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:05,643 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:06,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:06,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 54 states and 91 transitions. [2023-11-21 18:46:06,232 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 91 transitions. [2023-11-21 18:46:06,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:46:06,233 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:06,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:06,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:06,442 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:07,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:07,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 57 states and 103 transitions. [2023-11-21 18:46:07,131 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 103 transitions. [2023-11-21 18:46:07,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 18:46:07,132 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:07,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:07,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:07,208 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:08,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:08,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 61 states and 113 transitions. [2023-11-21 18:46:08,147 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 113 transitions. [2023-11-21 18:46:08,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 18:46:08,148 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:08,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:08,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:08,181 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:08,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:08,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 62 states and 113 transitions. [2023-11-21 18:46:08,400 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 113 transitions. [2023-11-21 18:46:08,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:46:08,401 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:08,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:08,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:08,439 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:09,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:09,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 66 states and 124 transitions. [2023-11-21 18:46:09,111 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 124 transitions. [2023-11-21 18:46:09,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:46:09,112 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:09,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:09,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:09,144 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:09,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:09,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 67 states and 124 transitions. [2023-11-21 18:46:09,371 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 124 transitions. [2023-11-21 18:46:09,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:46:09,372 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:09,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:09,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:09,863 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:11,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:11,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 77 states and 145 transitions. [2023-11-21 18:46:11,951 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 145 transitions. [2023-11-21 18:46:11,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:46:11,952 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:11,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:11,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:12,040 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:12,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:12,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 78 states and 146 transitions. [2023-11-21 18:46:12,385 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 146 transitions. [2023-11-21 18:46:12,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:46:12,386 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:12,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:12,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:12,483 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:13,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:13,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 81 states and 159 transitions. [2023-11-21 18:46:13,628 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 159 transitions. [2023-11-21 18:46:13,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:46:13,629 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:13,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:13,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:13,852 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:15,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:15,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 86 states and 176 transitions. [2023-11-21 18:46:15,524 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 176 transitions. [2023-11-21 18:46:15,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:46:15,525 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:15,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:15,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:15,614 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:15,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:15,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 87 states and 179 transitions. [2023-11-21 18:46:15,969 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 179 transitions. [2023-11-21 18:46:15,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:46:15,970 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:15,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:15,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:16,017 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:17,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:17,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 90 states and 185 transitions. [2023-11-21 18:46:17,001 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 185 transitions. [2023-11-21 18:46:17,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:46:17,002 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:17,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:17,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:17,085 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:17,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:17,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 89 states and 183 transitions. [2023-11-21 18:46:17,411 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 183 transitions. [2023-11-21 18:46:17,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:46:17,411 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:17,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:17,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:17,659 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:46:19,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:19,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 95 states and 198 transitions. [2023-11-21 18:46:19,869 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 198 transitions. [2023-11-21 18:46:19,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:46:19,869 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:19,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:19,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:19,915 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:46:20,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:20,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 96 states and 200 transitions. [2023-11-21 18:46:20,405 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 200 transitions. [2023-11-21 18:46:20,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:46:20,408 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:20,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:20,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:20,728 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:22,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:22,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 100 states and 208 transitions. [2023-11-21 18:46:22,559 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 208 transitions. [2023-11-21 18:46:22,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:46:22,560 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:22,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:22,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:22,969 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:24,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:24,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 103 states and 221 transitions. [2023-11-21 18:46:24,390 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 221 transitions. [2023-11-21 18:46:24,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:46:24,390 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:24,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:24,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:24,442 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:24,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:24,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 104 states and 226 transitions. [2023-11-21 18:46:24,954 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 226 transitions. [2023-11-21 18:46:24,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:46:24,954 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:24,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:24,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:24,986 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:46:25,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:25,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 105 states and 233 transitions. [2023-11-21 18:46:25,021 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 233 transitions. [2023-11-21 18:46:25,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:46:25,021 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:25,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:25,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:25,315 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:46:27,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:27,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 108 states and 245 transitions. [2023-11-21 18:46:27,769 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 245 transitions. [2023-11-21 18:46:27,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:46:27,770 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:27,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:27,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:27,792 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:46:28,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:28,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 110 states and 250 transitions. [2023-11-21 18:46:28,753 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 250 transitions. [2023-11-21 18:46:28,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:46:28,754 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:28,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:28,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:28,783 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:46:29,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:29,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 111 states and 252 transitions. [2023-11-21 18:46:29,256 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 252 transitions. [2023-11-21 18:46:29,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:46:29,257 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:29,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:29,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:29,490 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:46:32,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:32,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 115 states and 262 transitions. [2023-11-21 18:46:32,644 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 262 transitions. [2023-11-21 18:46:32,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:46:32,645 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:32,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:32,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:32,990 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-21 18:46:38,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:38,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 129 states and 295 transitions. [2023-11-21 18:46:38,334 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 295 transitions. [2023-11-21 18:46:38,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:46:38,335 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:38,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:38,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:38,359 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-21 18:46:39,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:39,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 131 states and 297 transitions. [2023-11-21 18:46:39,532 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 297 transitions. [2023-11-21 18:46:39,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:46:39,533 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:39,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:39,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:39,571 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-21 18:46:40,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:40,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 133 states and 300 transitions. [2023-11-21 18:46:40,999 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 300 transitions. [2023-11-21 18:46:41,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:46:41,002 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:41,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:41,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:41,267 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:45,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:45,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 139 states and 312 transitions. [2023-11-21 18:46:45,038 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 312 transitions. [2023-11-21 18:46:45,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:46:45,039 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:45,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:45,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:46,243 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.