./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted/NestedRecursion_2c.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff 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_e7a55091-1243-41cf-bfc3-f49770c06006/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7a55091-1243-41cf-bfc3-f49770c06006/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7a55091-1243-41cf-bfc3-f49770c06006/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7a55091-1243-41cf-bfc3-f49770c06006/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted/NestedRecursion_2c.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7a55091-1243-41cf-bfc3-f49770c06006/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7a55091-1243-41cf-bfc3-f49770c06006/bin/ukojak-verify-G8NBE6pJGL --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 e757bed859e5dfb8bc677e07409ebb4da6a15dd0898403a302646229a6409be5 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:57:17,250 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:57:17,326 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7a55091-1243-41cf-bfc3-f49770c06006/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-19 03:57:17,330 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:57:17,331 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:57:17,368 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:57:17,369 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:57:17,370 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:57:17,370 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:57:17,371 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:57:17,372 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:57:17,372 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:57:17,373 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:57:17,373 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:57:17,374 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:57:17,374 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:57:17,375 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:57:17,375 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:57:17,376 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:57:17,376 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:57:17,377 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:57:17,377 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:57:17,378 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:57:17,378 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:57:17,379 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:57:17,379 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:57:17,380 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:57:17,380 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:57:17,380 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:57:17,381 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:57:17,381 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:57:17,382 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:57:17,382 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_e7a55091-1243-41cf-bfc3-f49770c06006/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7a55091-1243-41cf-bfc3-f49770c06006/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e757bed859e5dfb8bc677e07409ebb4da6a15dd0898403a302646229a6409be5 [2023-11-19 03:57:17,700 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:57:17,729 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:57:17,731 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:57:17,733 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:57:17,734 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:57:17,735 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7a55091-1243-41cf-bfc3-f49770c06006/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/termination-crafted/NestedRecursion_2c.c [2023-11-19 03:57:21,045 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:57:21,419 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:57:21,420 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7a55091-1243-41cf-bfc3-f49770c06006/sv-benchmarks/c/termination-crafted/NestedRecursion_2c.c [2023-11-19 03:57:21,429 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7a55091-1243-41cf-bfc3-f49770c06006/bin/ukojak-verify-G8NBE6pJGL/data/566e2db39/76665487fb1e444c9239d07125d07935/FLAG8015ca113 [2023-11-19 03:57:21,451 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7a55091-1243-41cf-bfc3-f49770c06006/bin/ukojak-verify-G8NBE6pJGL/data/566e2db39/76665487fb1e444c9239d07125d07935 [2023-11-19 03:57:21,460 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:57:21,465 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:57:21,471 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:57:21,471 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:57:21,478 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:57:21,479 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:57:21" (1/1) ... [2023-11-19 03:57:21,482 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e32eb08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:21, skipping insertion in model container [2023-11-19 03:57:21,484 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:57:21" (1/1) ... [2023-11-19 03:57:21,513 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:57:21,729 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:57:21,736 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:57:21,758 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:57:21,775 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:57:21,775 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:21 WrapperNode [2023-11-19 03:57:21,776 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:57:21,777 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:57:21,777 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:57:21,777 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:57:21,785 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:21" (1/1) ... [2023-11-19 03:57:21,790 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:21" (1/1) ... [2023-11-19 03:57:21,811 INFO L138 Inliner]: procedures = 5, calls = 5, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 12 [2023-11-19 03:57:21,811 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:57:21,812 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:57:21,813 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:57:21,813 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:57:21,824 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:21" (1/1) ... [2023-11-19 03:57:21,824 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:21" (1/1) ... [2023-11-19 03:57:21,826 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:21" (1/1) ... [2023-11-19 03:57:21,826 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:21" (1/1) ... [2023-11-19 03:57:21,830 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:21" (1/1) ... [2023-11-19 03:57:21,833 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:21" (1/1) ... [2023-11-19 03:57:21,839 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:21" (1/1) ... [2023-11-19 03:57:21,840 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:21" (1/1) ... [2023-11-19 03:57:21,842 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:57:21,844 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:57:21,844 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:57:21,844 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:57:21,845 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:21" (1/1) ... [2023-11-19 03:57:21,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:57:21,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7a55091-1243-41cf-bfc3-f49770c06006/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:57:21,884 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7a55091-1243-41cf-bfc3-f49770c06006/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:57:21,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7a55091-1243-41cf-bfc3-f49770c06006/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:57:21,931 INFO L130 BoogieDeclarations]: Found specification of procedure g [2023-11-19 03:57:21,932 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2023-11-19 03:57:21,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:57:21,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:57:21,997 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:57:21,999 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:57:22,166 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:57:22,182 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:57:22,182 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:57:22,188 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:57:22 BoogieIcfgContainer [2023-11-19 03:57:22,188 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:57:22,190 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:57:22,190 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:57:22,204 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:57:22,204 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:57:22" (1/1) ... [2023-11-19 03:57:22,216 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:57:22,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:22,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 22 states and 25 transitions. [2023-11-19 03:57:22,286 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2023-11-19 03:57:22,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:57:22,291 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:22,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:22,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:22,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:57:22,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:22,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 25 states and 30 transitions. [2023-11-19 03:57:22,726 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 30 transitions. [2023-11-19 03:57:22,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:57:22,727 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:22,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:22,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:22,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:57:23,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:23,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 29 states and 36 transitions. [2023-11-19 03:57:23,198 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 36 transitions. [2023-11-19 03:57:23,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:57:23,200 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:23,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:23,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:23,415 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:57:23,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:23,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 34 states and 42 transitions. [2023-11-19 03:57:23,674 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 42 transitions. [2023-11-19 03:57:23,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:57:23,675 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:23,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:23,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:23,781 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:57:23,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:23,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 35 states and 44 transitions. [2023-11-19 03:57:23,854 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 44 transitions. [2023-11-19 03:57:23,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:57:23,855 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:23,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:23,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:23,936 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:57:24,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:24,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 39 states and 52 transitions. [2023-11-19 03:57:24,060 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 52 transitions. [2023-11-19 03:57:24,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:57:24,061 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:24,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:24,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:24,190 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:57:24,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:24,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 44 states and 58 transitions. [2023-11-19 03:57:24,466 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 58 transitions. [2023-11-19 03:57:24,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:57:24,468 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:24,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:24,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:24,527 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:57:24,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:24,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 43 states and 57 transitions. [2023-11-19 03:57:24,659 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 57 transitions. [2023-11-19 03:57:24,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:57:24,661 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:24,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:24,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:24,712 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:57:24,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:24,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 45 states and 58 transitions. [2023-11-19 03:57:24,758 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 58 transitions. [2023-11-19 03:57:24,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:57:24,759 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:24,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:24,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:24,912 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:57:25,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:25,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 50 states and 64 transitions. [2023-11-19 03:57:25,221 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 64 transitions. [2023-11-19 03:57:25,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:57:25,223 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:25,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:25,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:25,492 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:57:26,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:26,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 56 states and 77 transitions. [2023-11-19 03:57:26,072 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 77 transitions. [2023-11-19 03:57:26,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 03:57:26,074 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:26,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:26,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:26,271 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:57:26,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:26,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 61 states and 83 transitions. [2023-11-19 03:57:26,644 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 83 transitions. [2023-11-19 03:57:26,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 03:57:26,650 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:26,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:26,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:26,776 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-19 03:57:26,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:26,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 54 states and 67 transitions. [2023-11-19 03:57:26,880 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 67 transitions. [2023-11-19 03:57:26,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:57:26,889 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:26,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:26,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:27,162 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 65 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:57:27,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:27,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 59 states and 72 transitions. [2023-11-19 03:57:27,559 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 72 transitions. [2023-11-19 03:57:27,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-19 03:57:27,560 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:27,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:27,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:27,711 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-11-19 03:57:27,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:27,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 47 states and 51 transitions. [2023-11-19 03:57:27,926 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 51 transitions. [2023-11-19 03:57:27,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 03:57:27,927 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:27,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:27,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:28,149 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 93 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:57:28,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:28,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 52 states and 56 transitions. [2023-11-19 03:57:28,590 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 56 transitions. [2023-11-19 03:57:28,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 03:57:28,591 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:28,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:28,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:28,906 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:57:29,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:29,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 57 states and 61 transitions. [2023-11-19 03:57:29,372 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 61 transitions. [2023-11-19 03:57:29,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 03:57:29,373 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:29,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:29,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:29,713 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 164 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:57:30,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:30,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 62 states and 66 transitions. [2023-11-19 03:57:30,198 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 66 transitions. [2023-11-19 03:57:30,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-19 03:57:30,199 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:30,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:30,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:30,504 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 0 proven. 207 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:57:30,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:30,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 67 states and 71 transitions. [2023-11-19 03:57:30,996 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 71 transitions. [2023-11-19 03:57:30,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 03:57:30,997 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:30,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:31,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:31,335 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 255 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:57:31,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:31,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 72 states and 76 transitions. [2023-11-19 03:57:31,810 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 76 transitions. [2023-11-19 03:57:31,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-19 03:57:31,811 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:31,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:31,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:32,171 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 0 proven. 308 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:57:32,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:32,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 77 states and 81 transitions. [2023-11-19 03:57:32,686 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 81 transitions. [2023-11-19 03:57:32,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-19 03:57:32,687 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:32,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:32,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:33,027 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 0 proven. 366 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:57:33,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:33,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 82 states and 86 transitions. [2023-11-19 03:57:33,541 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 86 transitions. [2023-11-19 03:57:33,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-19 03:57:33,542 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:33,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:33,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:33,954 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 0 proven. 429 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:57:34,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:34,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 87 states and 91 transitions. [2023-11-19 03:57:34,499 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 91 transitions. [2023-11-19 03:57:34,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-19 03:57:34,500 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:34,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:34,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:34,866 INFO L134 CoverageAnalysis]: Checked inductivity of 497 backedges. 0 proven. 497 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:57:35,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:35,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 92 states and 96 transitions. [2023-11-19 03:57:35,407 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 96 transitions. [2023-11-19 03:57:35,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-11-19 03:57:35,408 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:35,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:35,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:35,858 INFO L134 CoverageAnalysis]: Checked inductivity of 570 backedges. 0 proven. 570 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:57:36,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:36,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 97 states and 101 transitions. [2023-11-19 03:57:36,426 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 101 transitions. [2023-11-19 03:57:36,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-11-19 03:57:36,427 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:36,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:36,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:36,915 INFO L134 CoverageAnalysis]: Checked inductivity of 648 backedges. 0 proven. 648 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:57:37,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:37,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 102 states and 106 transitions. [2023-11-19 03:57:37,522 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 106 transitions. [2023-11-19 03:57:37,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-11-19 03:57:37,523 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:37,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:37,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:38,060 INFO L134 CoverageAnalysis]: Checked inductivity of 731 backedges. 0 proven. 731 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:57:38,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:38,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 107 states and 111 transitions. [2023-11-19 03:57:38,649 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 111 transitions. [2023-11-19 03:57:38,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-11-19 03:57:38,650 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:38,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:38,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:39,233 INFO L134 CoverageAnalysis]: Checked inductivity of 819 backedges. 0 proven. 819 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:57:39,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:39,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 112 states and 116 transitions. [2023-11-19 03:57:39,846 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 116 transitions. [2023-11-19 03:57:39,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-11-19 03:57:39,847 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:39,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:39,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:40,369 INFO L134 CoverageAnalysis]: Checked inductivity of 912 backedges. 0 proven. 912 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:57:41,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:41,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 117 states and 121 transitions. [2023-11-19 03:57:41,055 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 121 transitions. [2023-11-19 03:57:41,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-11-19 03:57:41,057 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:41,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:41,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:41,648 INFO L134 CoverageAnalysis]: Checked inductivity of 1010 backedges. 0 proven. 1010 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:57:42,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:42,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 122 states and 126 transitions. [2023-11-19 03:57:42,333 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 126 transitions. [2023-11-19 03:57:42,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-11-19 03:57:42,334 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:42,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:42,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:42,993 INFO L134 CoverageAnalysis]: Checked inductivity of 1113 backedges. 0 proven. 1113 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:57:43,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:43,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 127 states and 131 transitions. [2023-11-19 03:57:43,811 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 131 transitions. [2023-11-19 03:57:43,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-19 03:57:43,813 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:43,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:43,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:44,820 INFO L134 CoverageAnalysis]: Checked inductivity of 1221 backedges. 0 proven. 1221 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:57:45,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:45,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 132 states and 136 transitions. [2023-11-19 03:57:45,666 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 136 transitions. [2023-11-19 03:57:45,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-11-19 03:57:45,668 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:45,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:45,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:46,521 INFO L134 CoverageAnalysis]: Checked inductivity of 1334 backedges. 0 proven. 1334 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:57:47,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:47,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 137 states and 141 transitions. [2023-11-19 03:57:47,313 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 141 transitions. [2023-11-19 03:57:47,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2023-11-19 03:57:47,315 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:47,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:47,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:48,271 INFO L134 CoverageAnalysis]: Checked inductivity of 1452 backedges. 0 proven. 1452 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:57:49,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:49,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 142 states and 146 transitions. [2023-11-19 03:57:49,185 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 146 transitions. [2023-11-19 03:57:49,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-11-19 03:57:49,187 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:49,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:49,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:50,056 INFO L134 CoverageAnalysis]: Checked inductivity of 1575 backedges. 0 proven. 1575 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:57:50,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:50,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 147 states and 151 transitions. [2023-11-19 03:57:50,957 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 151 transitions. [2023-11-19 03:57:50,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-11-19 03:57:50,959 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:50,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:50,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:51,974 INFO L134 CoverageAnalysis]: Checked inductivity of 1703 backedges. 0 proven. 1703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:57:52,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:52,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 152 states and 156 transitions. [2023-11-19 03:57:52,890 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 156 transitions. [2023-11-19 03:57:52,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-11-19 03:57:52,892 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:52,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:52,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:53,939 INFO L134 CoverageAnalysis]: Checked inductivity of 1836 backedges. 0 proven. 1836 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:57:54,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:54,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 157 states and 161 transitions. [2023-11-19 03:57:54,872 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 161 transitions. [2023-11-19 03:57:54,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2023-11-19 03:57:54,873 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:54,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:54,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:55,829 INFO L134 CoverageAnalysis]: Checked inductivity of 1974 backedges. 0 proven. 1974 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:57:56,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:56,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 162 states and 166 transitions. [2023-11-19 03:57:56,812 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 166 transitions. [2023-11-19 03:57:56,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2023-11-19 03:57:56,813 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:56,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:56,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:57,973 INFO L134 CoverageAnalysis]: Checked inductivity of 2117 backedges. 0 proven. 2117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:57:59,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:59,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 167 states and 171 transitions. [2023-11-19 03:57:59,039 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 171 transitions. [2023-11-19 03:57:59,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2023-11-19 03:57:59,040 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:59,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:59,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:00,199 INFO L134 CoverageAnalysis]: Checked inductivity of 2265 backedges. 0 proven. 2265 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:58:01,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:01,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 172 states and 176 transitions. [2023-11-19 03:58:01,086 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 176 transitions. [2023-11-19 03:58:01,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-11-19 03:58:01,087 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:01,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:01,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:02,208 INFO L134 CoverageAnalysis]: Checked inductivity of 2418 backedges. 0 proven. 2418 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:58:03,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:03,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 177 states and 181 transitions. [2023-11-19 03:58:03,090 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 181 transitions. [2023-11-19 03:58:03,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2023-11-19 03:58:03,092 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:03,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:03,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat