./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/BrockschmidtCookFuhs-CAV2013-Fig1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_8efb8459-f360-43bf-bf0f-0f93707ba456/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8efb8459-f360-43bf-bf0f-0f93707ba456/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8efb8459-f360-43bf-bf0f-0f93707ba456/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8efb8459-f360-43bf-bf0f-0f93707ba456/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/BrockschmidtCookFuhs-CAV2013-Fig1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8efb8459-f360-43bf-bf0f-0f93707ba456/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8efb8459-f360-43bf-bf0f-0f93707ba456/bin/ukojak-verify-afCqCEvfdi --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 64bit --witnessprinter.graph.data.programhash ef399329f84d2482fbc6cd637d6b986ccb5018221a1a0504f889d0bed5430f95 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:09:33,773 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:09:33,897 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8efb8459-f360-43bf-bf0f-0f93707ba456/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-24 23:09:33,902 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:09:33,902 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:09:33,952 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:09:33,953 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:09:33,954 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:09:33,955 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:09:33,961 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:09:33,962 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:09:33,962 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:09:33,963 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:09:33,965 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:09:33,965 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:09:33,966 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:09:33,966 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:09:33,967 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:09:33,967 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:09:33,968 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:09:33,968 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:09:33,969 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:09:33,970 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:09:33,970 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:09:33,971 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:09:33,971 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:09:33,972 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:09:33,972 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:09:33,973 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:09:33,973 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:09:33,975 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:09:33,975 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:09:33,976 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_8efb8459-f360-43bf-bf0f-0f93707ba456/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8efb8459-f360-43bf-bf0f-0f93707ba456/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ef399329f84d2482fbc6cd637d6b986ccb5018221a1a0504f889d0bed5430f95 [2023-11-24 23:09:34,322 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:09:34,361 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:09:34,365 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:09:34,367 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:09:34,367 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:09:34,369 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8efb8459-f360-43bf-bf0f-0f93707ba456/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/termination-crafted-lit/BrockschmidtCookFuhs-CAV2013-Fig1.c [2023-11-24 23:09:37,548 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:09:37,763 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:09:37,764 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8efb8459-f360-43bf-bf0f-0f93707ba456/sv-benchmarks/c/termination-crafted-lit/BrockschmidtCookFuhs-CAV2013-Fig1.c [2023-11-24 23:09:37,775 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8efb8459-f360-43bf-bf0f-0f93707ba456/bin/ukojak-verify-afCqCEvfdi/data/3c55a1dcd/36d2e56001124444bcf205d29600c0a9/FLAGd2e1929c8 [2023-11-24 23:09:37,793 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8efb8459-f360-43bf-bf0f-0f93707ba456/bin/ukojak-verify-afCqCEvfdi/data/3c55a1dcd/36d2e56001124444bcf205d29600c0a9 [2023-11-24 23:09:37,799 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:09:37,801 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:09:37,805 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:09:37,805 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:09:37,810 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:09:37,811 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:09:37" (1/1) ... [2023-11-24 23:09:37,812 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ebe34fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:37, skipping insertion in model container [2023-11-24 23:09:37,814 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:09:37" (1/1) ... [2023-11-24 23:09:37,845 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:09:37,996 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:09:38,001 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:09:38,012 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:09:38,023 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:09:38,024 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:38 WrapperNode [2023-11-24 23:09:38,024 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:09:38,025 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:09:38,025 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:09:38,025 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:09:38,033 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:38" (1/1) ... [2023-11-24 23:09:38,038 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:38" (1/1) ... [2023-11-24 23:09:38,060 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 34 [2023-11-24 23:09:38,061 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:09:38,061 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:09:38,062 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:09:38,062 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:09:38,072 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:38" (1/1) ... [2023-11-24 23:09:38,072 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:38" (1/1) ... [2023-11-24 23:09:38,074 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:38" (1/1) ... [2023-11-24 23:09:38,075 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:38" (1/1) ... [2023-11-24 23:09:38,077 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:38" (1/1) ... [2023-11-24 23:09:38,083 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:38" (1/1) ... [2023-11-24 23:09:38,093 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:38" (1/1) ... [2023-11-24 23:09:38,094 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:38" (1/1) ... [2023-11-24 23:09:38,102 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:09:38,104 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:09:38,105 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:09:38,105 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:09:38,106 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:38" (1/1) ... [2023-11-24 23:09:38,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:09:38,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8efb8459-f360-43bf-bf0f-0f93707ba456/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:09:38,140 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8efb8459-f360-43bf-bf0f-0f93707ba456/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:09:38,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8efb8459-f360-43bf-bf0f-0f93707ba456/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:09:38,184 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:09:38,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:09:38,278 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:09:38,281 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:09:38,440 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:09:38,490 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:09:38,490 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 23:09:38,493 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:09:38 BoogieIcfgContainer [2023-11-24 23:09:38,494 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:09:38,495 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:09:38,495 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:09:38,507 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:09:38,507 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:09:38" (1/1) ... [2023-11-24 23:09:38,518 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:09:38,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:38,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2023-11-24 23:09:38,594 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2023-11-24 23:09:38,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 23:09:38,597 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:38,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:38,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:38,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:09:38,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:38,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2023-11-24 23:09:38,842 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2023-11-24 23:09:38,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 23:09:38,842 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:38,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:38,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:38,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:09:39,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:39,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 24 transitions. [2023-11-24 23:09:39,063 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 24 transitions. [2023-11-24 23:09:39,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-24 23:09:39,066 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:39,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:39,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:39,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:09:39,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:39,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2023-11-24 23:09:39,290 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2023-11-24 23:09:39,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-24 23:09:39,291 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:39,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:39,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:39,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:09:39,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:39,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 24 states and 38 transitions. [2023-11-24 23:09:39,789 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 38 transitions. [2023-11-24 23:09:39,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:09:39,790 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:39,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:39,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:39,849 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 23:09:40,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:40,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 25 states and 40 transitions. [2023-11-24 23:09:40,045 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 40 transitions. [2023-11-24 23:09:40,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:09:40,045 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:40,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:40,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:40,110 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:09:40,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:40,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2023-11-24 23:09:40,200 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2023-11-24 23:09:40,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 23:09:40,201 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:40,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:40,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:40,263 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:09:40,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:40,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 24 states and 34 transitions. [2023-11-24 23:09:40,490 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 34 transitions. [2023-11-24 23:09:40,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 23:09:40,492 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:40,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:40,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:40,582 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:09:40,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:40,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 25 states and 36 transitions. [2023-11-24 23:09:40,647 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 36 transitions. [2023-11-24 23:09:40,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 23:09:40,649 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:40,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:40,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:40,710 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-24 23:09:40,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:40,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 25 states and 35 transitions. [2023-11-24 23:09:40,795 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 35 transitions. [2023-11-24 23:09:40,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 23:09:40,795 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:40,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:40,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:40,881 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-24 23:09:41,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:41,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 33 states and 44 transitions. [2023-11-24 23:09:41,271 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 44 transitions. [2023-11-24 23:09:41,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 23:09:41,272 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:41,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:41,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:41,302 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 23:09:41,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:41,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2023-11-24 23:09:41,452 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2023-11-24 23:09:41,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 23:09:41,453 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:41,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:41,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:41,481 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 23:09:41,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:41,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 30 states and 36 transitions. [2023-11-24 23:09:41,649 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 36 transitions. [2023-11-24 23:09:41,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 23:09:41,649 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:41,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:41,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:41,711 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 23:09:41,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:41,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 31 states and 37 transitions. [2023-11-24 23:09:41,901 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 37 transitions. [2023-11-24 23:09:41,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 23:09:41,902 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:41,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:41,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:42,146 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:09:42,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:42,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 34 states and 43 transitions. [2023-11-24 23:09:42,709 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 43 transitions. [2023-11-24 23:09:42,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 23:09:42,709 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:42,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:42,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:42,804 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 16 proven. 18 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:09:43,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:43,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 37 states and 46 transitions. [2023-11-24 23:09:43,141 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 46 transitions. [2023-11-24 23:09:43,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 23:09:43,142 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:43,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:43,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:43,310 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 35 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:09:43,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:43,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 40 states and 51 transitions. [2023-11-24 23:09:43,810 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 51 transitions. [2023-11-24 23:09:43,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-24 23:09:43,811 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:43,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:43,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:43,981 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 40 proven. 29 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:09:44,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:44,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 44 states and 60 transitions. [2023-11-24 23:09:44,738 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 60 transitions. [2023-11-24 23:09:44,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-24 23:09:44,739 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:44,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:44,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:44,842 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 50 proven. 30 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-24 23:09:45,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:45,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 47 states and 63 transitions. [2023-11-24 23:09:45,256 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 63 transitions. [2023-11-24 23:09:45,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-24 23:09:45,257 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:45,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:45,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:45,472 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 60 proven. 56 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:09:46,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:46,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 53 states and 75 transitions. [2023-11-24 23:09:46,584 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 75 transitions. [2023-11-24 23:09:46,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-24 23:09:46,587 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:46,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:46,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:46,748 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 78 proven. 45 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2023-11-24 23:09:47,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:47,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 56 states and 78 transitions. [2023-11-24 23:09:47,251 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 78 transitions. [2023-11-24 23:09:47,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-24 23:09:47,255 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:47,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:47,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:47,548 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 83 proven. 92 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:09:48,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:48,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 62 states and 91 transitions. [2023-11-24 23:09:48,782 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 91 transitions. [2023-11-24 23:09:48,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-24 23:09:48,783 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:48,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:48,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:48,926 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 112 proven. 63 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-24 23:09:49,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:49,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 65 states and 94 transitions. [2023-11-24 23:09:49,442 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 94 transitions. [2023-11-24 23:09:49,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-24 23:09:49,443 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:49,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:49,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:49,714 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 109 proven. 137 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:09:51,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:51,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 71 states and 108 transitions. [2023-11-24 23:09:51,020 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 108 transitions. [2023-11-24 23:09:51,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-24 23:09:51,021 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:51,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:51,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:51,199 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 152 proven. 84 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2023-11-24 23:09:51,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:51,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 74 states and 111 transitions. [2023-11-24 23:09:51,753 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 111 transitions. [2023-11-24 23:09:51,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-24 23:09:51,754 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:51,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:51,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:52,113 INFO L134 CoverageAnalysis]: Checked inductivity of 331 backedges. 138 proven. 191 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:09:53,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:53,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 80 states and 126 transitions. [2023-11-24 23:09:53,565 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 126 transitions. [2023-11-24 23:09:53,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-24 23:09:53,566 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:53,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:53,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:53,775 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 198 proven. 108 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2023-11-24 23:09:54,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:54,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 83 states and 129 transitions. [2023-11-24 23:09:54,402 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 129 transitions. [2023-11-24 23:09:54,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-24 23:09:54,403 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:54,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:54,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:54,774 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 170 proven. 254 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:09:56,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:56,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 89 states and 145 transitions. [2023-11-24 23:09:56,359 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 145 transitions. [2023-11-24 23:09:56,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-24 23:09:56,360 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:56,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:56,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:56,549 INFO L134 CoverageAnalysis]: Checked inductivity of 478 backedges. 250 proven. 135 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2023-11-24 23:09:57,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:57,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 92 states and 148 transitions. [2023-11-24 23:09:57,243 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 148 transitions. [2023-11-24 23:09:57,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-24 23:09:57,244 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:57,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:57,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:57,618 INFO L134 CoverageAnalysis]: Checked inductivity of 533 backedges. 205 proven. 326 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:09:59,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:59,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 98 states and 165 transitions. [2023-11-24 23:09:59,421 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 165 transitions. [2023-11-24 23:09:59,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-24 23:09:59,422 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:59,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:59,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:59,657 INFO L134 CoverageAnalysis]: Checked inductivity of 591 backedges. 308 proven. 165 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2023-11-24 23:10:00,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:00,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 101 states and 168 transitions. [2023-11-24 23:10:00,331 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 168 transitions. [2023-11-24 23:10:00,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-24 23:10:00,332 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:00,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:00,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:00,756 INFO L134 CoverageAnalysis]: Checked inductivity of 652 backedges. 243 proven. 407 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:10:02,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:02,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 107 states and 186 transitions. [2023-11-24 23:10:02,762 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 186 transitions. [2023-11-24 23:10:02,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-24 23:10:02,763 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:02,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:02,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:02,984 INFO L134 CoverageAnalysis]: Checked inductivity of 716 backedges. 372 proven. 198 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2023-11-24 23:10:03,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:03,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 110 states and 189 transitions. [2023-11-24 23:10:03,736 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 189 transitions. [2023-11-24 23:10:03,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-24 23:10:03,736 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:03,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:03,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:04,187 INFO L134 CoverageAnalysis]: Checked inductivity of 783 backedges. 284 proven. 497 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:10:06,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:06,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 116 states and 208 transitions. [2023-11-24 23:10:06,190 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 208 transitions. [2023-11-24 23:10:06,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-11-24 23:10:06,191 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:06,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:06,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:06,433 INFO L134 CoverageAnalysis]: Checked inductivity of 853 backedges. 442 proven. 234 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2023-11-24 23:10:07,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:07,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 119 states and 211 transitions. [2023-11-24 23:10:07,258 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 211 transitions. [2023-11-24 23:10:07,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-11-24 23:10:07,259 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:07,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:07,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:07,772 INFO L134 CoverageAnalysis]: Checked inductivity of 926 backedges. 328 proven. 596 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:10:09,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:09,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 125 states and 231 transitions. [2023-11-24 23:10:09,855 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 231 transitions. [2023-11-24 23:10:09,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-24 23:10:09,856 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:09,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:09,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:10,135 INFO L134 CoverageAnalysis]: Checked inductivity of 1002 backedges. 518 proven. 273 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2023-11-24 23:10:11,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:11,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 128 states and 234 transitions. [2023-11-24 23:10:11,088 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 234 transitions. [2023-11-24 23:10:11,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-11-24 23:10:11,090 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:11,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:11,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:11,626 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 375 proven. 704 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:10:13,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:13,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 134 states and 255 transitions. [2023-11-24 23:10:13,907 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 255 transitions. [2023-11-24 23:10:13,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-11-24 23:10:13,908 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:13,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:13,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:14,242 INFO L134 CoverageAnalysis]: Checked inductivity of 1163 backedges. 600 proven. 315 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2023-11-24 23:10:15,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:15,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 137 states and 258 transitions. [2023-11-24 23:10:15,226 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 258 transitions. [2023-11-24 23:10:15,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-11-24 23:10:15,227 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:15,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:15,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:15,950 INFO L134 CoverageAnalysis]: Checked inductivity of 1248 backedges. 425 proven. 821 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:10:18,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:18,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 143 states and 280 transitions. [2023-11-24 23:10:18,711 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 280 transitions. [2023-11-24 23:10:18,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-11-24 23:10:18,712 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:18,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:18,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:19,037 INFO L134 CoverageAnalysis]: Checked inductivity of 1336 backedges. 688 proven. 360 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2023-11-24 23:10:20,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:20,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 146 states and 283 transitions. [2023-11-24 23:10:20,142 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 283 transitions. [2023-11-24 23:10:20,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-11-24 23:10:20,143 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:20,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:20,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:20,834 INFO L134 CoverageAnalysis]: Checked inductivity of 1427 backedges. 478 proven. 947 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:10:23,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:23,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 152 states and 306 transitions. [2023-11-24 23:10:23,442 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 306 transitions. [2023-11-24 23:10:23,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-11-24 23:10:23,443 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:23,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:23,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:23,801 INFO L134 CoverageAnalysis]: Checked inductivity of 1521 backedges. 782 proven. 408 refuted. 0 times theorem prover too weak. 331 trivial. 0 not checked. [2023-11-24 23:10:24,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:24,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 155 states and 309 transitions. [2023-11-24 23:10:24,939 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 309 transitions. [2023-11-24 23:10:24,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-11-24 23:10:24,941 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:24,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:24,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:25,717 INFO L134 CoverageAnalysis]: Checked inductivity of 1618 backedges. 534 proven. 1082 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.