./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invgen/apache-get-tag.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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_5dbca1b0-d24e-401b-981d-c0b95f03c106/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbca1b0-d24e-401b-981d-c0b95f03c106/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbca1b0-d24e-401b-981d-c0b95f03c106/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbca1b0-d24e-401b-981d-c0b95f03c106/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/apache-get-tag.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbca1b0-d24e-401b-981d-c0b95f03c106/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbca1b0-d24e-401b-981d-c0b95f03c106/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ad8e21886f5f45a7c58400298498a881b4f628bf6fff913be81ab14cf250dd19 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:22:12,522 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:22:12,590 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbca1b0-d24e-401b-981d-c0b95f03c106/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 02:22:12,595 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 02:22:12,595 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 02:22:12,619 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:22:12,620 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:22:12,621 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:22:12,622 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:22:12,622 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:22:12,623 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:22:12,623 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:22:12,624 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 02:22:12,624 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 02:22:12,625 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 02:22:12,625 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:22:12,626 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:22:12,626 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:22:12,627 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:22:12,628 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 02:22:12,628 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:22:12,629 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:22:12,629 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:22:12,630 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:22:12,630 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:22:12,631 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:22:12,631 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:22:12,632 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:22:12,632 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:22:12,633 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:22:12,633 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 02:22:12,634 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 02:22:12,634 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:22:12,634 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_5dbca1b0-d24e-401b-981d-c0b95f03c106/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbca1b0-d24e-401b-981d-c0b95f03c106/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ad8e21886f5f45a7c58400298498a881b4f628bf6fff913be81ab14cf250dd19 [2023-12-03 02:22:12,892 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:22:12,926 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:22:12,928 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:22:12,929 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:22:12,930 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:22:12,931 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbca1b0-d24e-401b-981d-c0b95f03c106/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/loop-invgen/apache-get-tag.i [2023-12-03 02:22:15,699 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:22:15,864 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:22:15,864 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbca1b0-d24e-401b-981d-c0b95f03c106/sv-benchmarks/c/loop-invgen/apache-get-tag.i [2023-12-03 02:22:15,873 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbca1b0-d24e-401b-981d-c0b95f03c106/bin/ukojak-verify-Qdu7aM0XO9/data/cabd77bb6/9727ae4b8ee74391a5619321a86a6cd2/FLAG5d5bd7ca4 [2023-12-03 02:22:15,888 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbca1b0-d24e-401b-981d-c0b95f03c106/bin/ukojak-verify-Qdu7aM0XO9/data/cabd77bb6/9727ae4b8ee74391a5619321a86a6cd2 [2023-12-03 02:22:15,891 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:22:15,892 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:22:15,894 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:22:15,894 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:22:15,899 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:22:15,900 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:22:15" (1/1) ... [2023-12-03 02:22:15,901 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ec2dba7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:22:15, skipping insertion in model container [2023-12-03 02:22:15,901 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:22:15" (1/1) ... [2023-12-03 02:22:15,927 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:22:16,081 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbca1b0-d24e-401b-981d-c0b95f03c106/sv-benchmarks/c/loop-invgen/apache-get-tag.i[893,906] [2023-12-03 02:22:16,097 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:22:16,107 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:22:16,117 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbca1b0-d24e-401b-981d-c0b95f03c106/sv-benchmarks/c/loop-invgen/apache-get-tag.i[893,906] [2023-12-03 02:22:16,124 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:22:16,140 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:22:16,141 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:22:16 WrapperNode [2023-12-03 02:22:16,141 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:22:16,142 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:22:16,142 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:22:16,142 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:22:16,148 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:22:16" (1/1) ... [2023-12-03 02:22:16,155 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:22:16" (1/1) ... [2023-12-03 02:22:16,173 INFO L138 Inliner]: procedures = 16, calls = 22, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 87 [2023-12-03 02:22:16,174 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:22:16,175 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:22:16,175 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:22:16,175 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:22:16,183 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:22:16" (1/1) ... [2023-12-03 02:22:16,183 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:22:16" (1/1) ... [2023-12-03 02:22:16,185 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:22:16" (1/1) ... [2023-12-03 02:22:16,186 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:22:16" (1/1) ... [2023-12-03 02:22:16,190 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:22:16" (1/1) ... [2023-12-03 02:22:16,195 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:22:16" (1/1) ... [2023-12-03 02:22:16,197 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:22:16" (1/1) ... [2023-12-03 02:22:16,199 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:22:16" (1/1) ... [2023-12-03 02:22:16,201 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:22:16,202 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:22:16,202 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:22:16,202 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:22:16,203 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:22:16" (1/1) ... [2023-12-03 02:22:16,210 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:22:16,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbca1b0-d24e-401b-981d-c0b95f03c106/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:22:16,232 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbca1b0-d24e-401b-981d-c0b95f03c106/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:22:16,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbca1b0-d24e-401b-981d-c0b95f03c106/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:22:16,268 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:22:16,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 02:22:16,268 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:22:16,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:22:16,269 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 02:22:16,269 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 02:22:16,340 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:22:16,342 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:22:16,500 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:22:16,529 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 02:22:16,529 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-03 02:22:16,531 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:22:16 BoogieIcfgContainer [2023-12-03 02:22:16,531 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 02:22:16,532 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 02:22:16,532 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 02:22:16,541 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 02:22:16,541 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:22:16" (1/1) ... [2023-12-03 02:22:16,571 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 02:22:16,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:22:16,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 39 states and 64 transitions. [2023-12-03 02:22:16,623 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 64 transitions. [2023-12-03 02:22:16,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 02:22:16,624 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:22:16,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:22:16,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:22:16,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:22:16,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:22:16,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 39 states and 62 transitions. [2023-12-03 02:22:16,769 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 62 transitions. [2023-12-03 02:22:16,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 02:22:16,770 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:22:16,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:22:16,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:22:16,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:22:17,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:22:17,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 44 states and 83 transitions. [2023-12-03 02:22:17,024 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 83 transitions. [2023-12-03 02:22:17,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 02:22:17,028 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:22:17,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:22:17,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:22:17,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:22:17,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:22:17,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 46 states and 85 transitions. [2023-12-03 02:22:17,139 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 85 transitions. [2023-12-03 02:22:17,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 02:22:17,140 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:22:17,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:22:17,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:22:17,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:22:17,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:22:17,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 47 states and 85 transitions. [2023-12-03 02:22:17,230 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 85 transitions. [2023-12-03 02:22:17,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 02:22:17,231 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:22:17,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:22:17,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:22:17,343 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:22:17,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:22:17,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 49 states and 87 transitions. [2023-12-03 02:22:17,575 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 87 transitions. [2023-12-03 02:22:17,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-03 02:22:17,576 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:22:17,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:22:17,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:22:17,672 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:22:17,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:22:17,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 54 states and 97 transitions. [2023-12-03 02:22:17,845 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 97 transitions. [2023-12-03 02:22:17,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-03 02:22:17,846 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:22:17,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:22:17,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:22:17,899 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:22:17,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:22:17,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 56 states and 101 transitions. [2023-12-03 02:22:17,925 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 101 transitions. [2023-12-03 02:22:17,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 02:22:17,927 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:22:17,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:22:17,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:22:17,941 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:22:17,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:22:17,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 56 states and 100 transitions. [2023-12-03 02:22:17,954 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 100 transitions. [2023-12-03 02:22:17,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 02:22:17,955 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:22:17,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:22:17,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:22:18,042 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:22:18,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:22:18,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 60 states and 109 transitions. [2023-12-03 02:22:18,113 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 109 transitions. [2023-12-03 02:22:18,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 02:22:18,115 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:22:18,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:22:18,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:22:18,164 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:22:18,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:22:18,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 61 states and 112 transitions. [2023-12-03 02:22:18,194 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 112 transitions. [2023-12-03 02:22:18,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 02:22:18,195 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:22:18,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:22:18,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:22:18,248 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:22:18,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:22:18,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 64 states and 120 transitions. [2023-12-03 02:22:18,270 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 120 transitions. [2023-12-03 02:22:18,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 02:22:18,271 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:22:18,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:22:18,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:22:18,335 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:22:18,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:22:18,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 65 states and 122 transitions. [2023-12-03 02:22:18,355 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 122 transitions. [2023-12-03 02:22:18,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 02:22:18,356 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:22:18,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:22:18,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:22:18,405 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:22:18,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:22:18,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 66 states and 123 transitions. [2023-12-03 02:22:18,421 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 123 transitions. [2023-12-03 02:22:18,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 02:22:18,422 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:22:18,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:22:18,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:22:18,468 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:22:18,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:22:18,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 67 states and 125 transitions. [2023-12-03 02:22:18,489 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 125 transitions. [2023-12-03 02:22:18,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-03 02:22:18,490 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:22:18,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:22:18,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:22:18,540 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 02:22:18,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:22:18,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 68 states and 126 transitions. [2023-12-03 02:22:18,616 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 126 transitions. [2023-12-03 02:22:18,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-03 02:22:18,617 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:22:18,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:22:18,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:22:18,794 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 02:22:19,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:22:19,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 72 states and 133 transitions. [2023-12-03 02:22:19,250 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 133 transitions. [2023-12-03 02:22:19,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-03 02:22:19,251 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:22:19,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:22:19,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:22:19,362 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 02:22:19,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:22:19,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 76 states and 139 transitions. [2023-12-03 02:22:19,529 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 139 transitions. [2023-12-03 02:22:19,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-03 02:22:19,530 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:22:19,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:22:19,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:22:19,639 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 02:22:19,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:22:19,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 83 states and 155 transitions. [2023-12-03 02:22:19,839 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 155 transitions. [2023-12-03 02:22:19,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-03 02:22:19,839 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:22:19,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:22:19,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:22:19,945 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 02:22:19,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:22:19,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 85 states and 160 transitions. [2023-12-03 02:22:19,995 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 160 transitions. [2023-12-03 02:22:19,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-03 02:22:19,996 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:22:19,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:22:20,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:22:20,102 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 02:22:20,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:22:20,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 86 states and 161 transitions. [2023-12-03 02:22:20,147 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 161 transitions. [2023-12-03 02:22:20,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-03 02:22:20,148 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:22:20,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:22:20,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:22:20,249 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 02:22:20,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:22:20,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 88 states and 166 transitions. [2023-12-03 02:22:20,306 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 166 transitions. [2023-12-03 02:22:20,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:22:20,307 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:22:20,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:22:20,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:22:20,379 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-12-03 02:22:20,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:22:20,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 91 states and 171 transitions. [2023-12-03 02:22:20,445 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 171 transitions. [2023-12-03 02:22:20,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:22:20,447 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:22:20,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:22:20,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:22:20,524 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-12-03 02:22:20,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:22:20,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 94 states and 177 transitions. [2023-12-03 02:22:20,838 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 177 transitions. [2023-12-03 02:22:20,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:22:20,840 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:22:20,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:22:20,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:22:20,893 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-12-03 02:22:21,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:22:21,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 98 states and 184 transitions. [2023-12-03 02:22:21,090 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 184 transitions. [2023-12-03 02:22:21,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 02:22:21,092 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:22:21,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:22:21,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:22:21,145 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-03 02:22:21,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:22:21,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 101 states and 190 transitions. [2023-12-03 02:22:21,286 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 190 transitions. [2023-12-03 02:22:21,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-12-03 02:22:21,287 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:22:21,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:22:21,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:22:21,349 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-12-03 02:22:21,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:22:21,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 102 states and 192 transitions. [2023-12-03 02:22:21,386 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 192 transitions. [2023-12-03 02:22:21,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-12-03 02:22:21,387 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:22:21,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:22:21,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:22:21,440 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 11 proven. 9 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-12-03 02:22:21,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:22:21,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 103 states and 193 transitions. [2023-12-03 02:22:21,579 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 193 transitions. [2023-12-03 02:22:21,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-03 02:22:21,580 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:22:21,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:22:21,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:22:21,634 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-12-03 02:22:21,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:22:21,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 104 states and 194 transitions. [2023-12-03 02:22:21,717 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 194 transitions. [2023-12-03 02:22:21,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-03 02:22:21,718 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:22:21,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:22:21,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:22:21,774 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-12-03 02:22:21,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:22:21,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 106 states and 198 transitions. [2023-12-03 02:22:21,851 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 198 transitions. [2023-12-03 02:22:21,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-03 02:22:21,853 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:22:21,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:22:21,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:22:21,901 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-12-03 02:22:21,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:22:21,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 106 states and 197 transitions. [2023-12-03 02:22:21,936 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 197 transitions. [2023-12-03 02:22:21,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-03 02:22:21,937 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:22:21,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:22:21,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:22:22,106 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-12-03 02:22:22,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:22:22,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 110 states and 205 transitions. [2023-12-03 02:22:22,764 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 205 transitions. [2023-12-03 02:22:22,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-03 02:22:22,765 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:22:22,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:22:22,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:22:22,889 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 27 proven. 5 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-03 02:22:23,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:22:23,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 113 states and 209 transitions. [2023-12-03 02:22:23,132 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 209 transitions. [2023-12-03 02:22:23,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-03 02:22:23,133 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:22:23,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:22:23,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:22:23,249 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 29 proven. 7 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-03 02:22:23,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:22:23,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 116 states and 210 transitions. [2023-12-03 02:22:23,461 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 210 transitions. [2023-12-03 02:22:23,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-03 02:22:23,462 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:22:23,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:22:23,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:22:23,584 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-03 02:22:23,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:22:23,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 121 states and 218 transitions. [2023-12-03 02:22:23,769 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 218 transitions. [2023-12-03 02:22:23,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-03 02:22:23,770 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:22:23,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:22:23,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:22:23,868 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-03 02:22:23,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:22:23,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 123 states and 221 transitions. [2023-12-03 02:22:23,943 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 221 transitions. [2023-12-03 02:22:23,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-03 02:22:23,944 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:22:23,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:22:23,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:22:24,038 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-03 02:22:24,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:22:24,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 124 states and 222 transitions. [2023-12-03 02:22:24,087 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 222 transitions. [2023-12-03 02:22:24,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-03 02:22:24,088 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:22:24,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:22:24,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:22:24,212 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-03 02:22:24,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:22:24,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 126 states and 225 transitions. [2023-12-03 02:22:24,284 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 225 transitions. [2023-12-03 02:22:24,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-12-03 02:22:24,285 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:22:24,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:22:24,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:22:24,347 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 20 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-12-03 02:22:24,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:22:24,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 129 states and 231 transitions. [2023-12-03 02:22:24,404 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 231 transitions. [2023-12-03 02:22:24,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-12-03 02:22:24,405 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:22:24,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:22:24,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:22:24,468 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 20 proven. 7 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-12-03 02:22:24,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:22:24,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 127 states and 226 transitions. [2023-12-03 02:22:24,495 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 226 transitions. [2023-12-03 02:22:24,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 02:22:24,495 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:22:24,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:22:24,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:22:24,535 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2023-12-03 02:22:24,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:22:24,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 128 states and 228 transitions. [2023-12-03 02:22:24,728 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 228 transitions. [2023-12-03 02:22:24,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:22:24,729 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:22:24,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:22:24,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:22:24,782 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2023-12-03 02:22:24,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:22:24,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 129 states and 230 transitions. [2023-12-03 02:22:24,837 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 230 transitions. [2023-12-03 02:22:24,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:22:24,838 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:22:24,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:22:24,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:22:24,936 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-03 02:22:25,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:22:25,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 130 states and 231 transitions. [2023-12-03 02:22:25,109 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 231 transitions. [2023-12-03 02:22:25,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:22:25,110 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:22:25,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:22:25,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:22:25,163 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-12-03 02:22:25,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:22:25,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 129 states and 228 transitions. [2023-12-03 02:22:25,325 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 228 transitions. [2023-12-03 02:22:25,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:22:25,326 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:22:25,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:22:25,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:22:25,392 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-03 02:22:25,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:22:25,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 123 states and 218 transitions. [2023-12-03 02:22:25,466 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 218 transitions. [2023-12-03 02:22:25,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 02:22:25,467 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:22:25,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:22:25,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:22:25,529 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-03 02:22:25,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:22:25,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 124 states and 219 transitions. [2023-12-03 02:22:25,607 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 219 transitions. [2023-12-03 02:22:25,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 02:22:25,608 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:22:25,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:22:25,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:22:25,666 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 24 proven. 15 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-03 02:22:25,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:22:25,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 118 states and 210 transitions. [2023-12-03 02:22:25,817 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 210 transitions. [2023-12-03 02:22:25,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 02:22:25,818 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:22:25,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:22:25,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:22:25,875 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 15 proven. 9 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-03 02:22:25,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:22:25,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 91 states and 147 transitions. [2023-12-03 02:22:25,959 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 147 transitions. [2023-12-03 02:22:25,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 02:22:25,960 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:22:25,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:22:25,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:22:26,097 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 23 proven. 10 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2023-12-03 02:22:26,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:22:26,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 89 states and 144 transitions. [2023-12-03 02:22:26,310 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 144 transitions. [2023-12-03 02:22:26,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-12-03 02:22:26,311 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:22:26,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:22:26,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:22:26,391 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 24 proven. 14 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-12-03 02:22:26,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:22:26,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 91 states and 148 transitions. [2023-12-03 02:22:26,438 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 148 transitions. [2023-12-03 02:22:26,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-12-03 02:22:26,439 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:22:26,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:22:26,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:22:26,579 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 42 proven. 12 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2023-12-03 02:22:26,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:22:26,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 83 states and 136 transitions. [2023-12-03 02:22:26,643 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 136 transitions. [2023-12-03 02:22:26,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 02:22:26,644 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:22:26,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:22:26,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:22:26,784 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 32 proven. 10 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2023-12-03 02:22:26,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:22:26,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 82 states and 134 transitions. [2023-12-03 02:22:26,838 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 134 transitions. [2023-12-03 02:22:26,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 02:22:26,839 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:22:26,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:22:26,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:22:26,978 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 23 proven. 13 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2023-12-03 02:22:27,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:22:27,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 64 states and 108 transitions. [2023-12-03 02:22:27,014 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 108 transitions. [2023-12-03 02:22:27,015 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-03 02:22:27,015 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 53 iterations. [2023-12-03 02:22:27,025 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-12-03 02:22:27,259 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 02:22:27,262 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 02:22:27,263 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 02:22:27,263 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 02:22:27 ImpRootNode [2023-12-03 02:22:27,263 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 02:22:27,263 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 02:22:27,263 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 02:22:27,263 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 02:22:27,264 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:22:16" (3/4) ... [2023-12-03 02:22:27,265 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-03 02:22:27,268 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-12-03 02:22:27,272 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2023-12-03 02:22:27,272 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-12-03 02:22:27,273 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-12-03 02:22:27,273 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-03 02:22:27,356 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbca1b0-d24e-401b-981d-c0b95f03c106/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-03 02:22:27,357 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbca1b0-d24e-401b-981d-c0b95f03c106/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-03 02:22:27,357 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 02:22:27,358 INFO L158 Benchmark]: Toolchain (without parser) took 11465.65ms. Allocated memory was 163.6MB in the beginning and 285.2MB in the end (delta: 121.6MB). Free memory was 120.2MB in the beginning and 98.2MB in the end (delta: 22.0MB). Peak memory consumption was 146.5MB. Max. memory is 16.1GB. [2023-12-03 02:22:27,358 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 107.0MB. Free memory is still 83.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:22:27,358 INFO L158 Benchmark]: CACSL2BoogieTranslator took 247.75ms. Allocated memory is still 163.6MB. Free memory was 120.2MB in the beginning and 109.1MB in the end (delta: 11.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-03 02:22:27,359 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.21ms. Allocated memory is still 163.6MB. Free memory was 109.1MB in the beginning and 107.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:22:27,359 INFO L158 Benchmark]: Boogie Preprocessor took 26.36ms. Allocated memory is still 163.6MB. Free memory was 107.6MB in the beginning and 106.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 02:22:27,359 INFO L158 Benchmark]: RCFGBuilder took 328.91ms. Allocated memory is still 163.6MB. Free memory was 106.3MB in the beginning and 93.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-03 02:22:27,360 INFO L158 Benchmark]: CodeCheck took 10731.32ms. Allocated memory was 163.6MB in the beginning and 285.2MB in the end (delta: 121.6MB). Free memory was 93.7MB in the beginning and 103.4MB in the end (delta: -9.7MB). Peak memory consumption was 115.1MB. Max. memory is 16.1GB. [2023-12-03 02:22:27,360 INFO L158 Benchmark]: Witness Printer took 93.74ms. Allocated memory is still 285.2MB. Free memory was 103.4MB in the beginning and 98.2MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 02:22:27,361 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 39 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 10.4s, OverallIterations: 53, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8269 SdHoareTripleChecker+Valid, 26.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4065 mSDsluCounter, 10200 SdHoareTripleChecker+Invalid, 21.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5140 mSDsCounter, 6122 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 18387 IncrementalHoareTripleChecker+Invalid, 24509 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6122 mSolverCounterUnsat, 5060 mSDtfsCounter, 18387 mSolverCounterSat, 0.8s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 22255 GetRequests, 21671 SyntacticMatches, 466 SemanticMatches, 118 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10788 ImplicationChecksByTransitivity, 4.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.9s InterpolantComputationTime, 1840 NumberOfCodeBlocks, 1840 NumberOfCodeBlocksAsserted, 52 NumberOfCheckSat, 1788 ConstructedInterpolants, 0 QuantifiedInterpolants, 4044 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 52 InterpolantComputations, 30 PerfectInterpolantSequences, 2095/2250 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 48]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 25]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 107.0MB. Free memory is still 83.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 247.75ms. Allocated memory is still 163.6MB. Free memory was 120.2MB in the beginning and 109.1MB in the end (delta: 11.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.21ms. Allocated memory is still 163.6MB. Free memory was 109.1MB in the beginning and 107.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.36ms. Allocated memory is still 163.6MB. Free memory was 107.6MB in the beginning and 106.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 328.91ms. Allocated memory is still 163.6MB. Free memory was 106.3MB in the beginning and 93.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 10731.32ms. Allocated memory was 163.6MB in the beginning and 285.2MB in the end (delta: 121.6MB). Free memory was 93.7MB in the beginning and 103.4MB in the end (delta: -9.7MB). Peak memory consumption was 115.1MB. Max. memory is 16.1GB. * Witness Printer took 93.74ms. Allocated memory is still 285.2MB. Free memory was 103.4MB in the beginning and 98.2MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-12-03 02:22:27,374 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dbca1b0-d24e-401b-981d-c0b95f03c106/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE