./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 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5028ee93-eb30-4760-990a-ff8411115d70/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5028ee93-eb30-4760-990a-ff8411115d70/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5028ee93-eb30-4760-990a-ff8411115d70/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5028ee93-eb30-4760-990a-ff8411115d70/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted/NestedRecursion_2c.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5028ee93-eb30-4760-990a-ff8411115d70/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5028ee93-eb30-4760-990a-ff8411115d70/bin/ukojak-verify-1t5iHCbJaC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e757bed859e5dfb8bc677e07409ebb4da6a15dd0898403a302646229a6409be5 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:07:39,282 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:07:39,355 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5028ee93-eb30-4760-990a-ff8411115d70/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-23 20:07:39,361 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:07:39,362 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:07:39,387 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:07:39,388 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:07:39,388 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:07:39,389 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:07:39,390 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:07:39,391 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:07:39,391 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:07:39,392 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:07:39,393 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:07:39,393 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:07:39,394 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:07:39,395 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:07:39,395 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:07:39,396 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:07:39,397 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:07:39,397 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:07:39,398 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:07:39,399 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:07:39,399 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:07:39,400 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:07:39,400 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:07:39,401 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:07:39,402 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:07:39,402 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:07:39,403 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:07:39,403 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:07:39,404 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:07:39,404 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_5028ee93-eb30-4760-990a-ff8411115d70/bin/ukojak-verify-1t5iHCbJaC/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5028ee93-eb30-4760-990a-ff8411115d70/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e757bed859e5dfb8bc677e07409ebb4da6a15dd0898403a302646229a6409be5 [2023-11-23 20:07:39,648 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:07:39,671 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:07:39,674 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:07:39,676 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:07:39,677 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:07:39,678 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5028ee93-eb30-4760-990a-ff8411115d70/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/termination-crafted/NestedRecursion_2c.c [2023-11-23 20:07:43,016 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:07:43,217 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:07:43,218 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5028ee93-eb30-4760-990a-ff8411115d70/sv-benchmarks/c/termination-crafted/NestedRecursion_2c.c [2023-11-23 20:07:43,225 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5028ee93-eb30-4760-990a-ff8411115d70/bin/ukojak-verify-1t5iHCbJaC/data/2521399bd/51a6454e99354847a8fc36dea1f0361d/FLAG46fa3bea3 [2023-11-23 20:07:43,241 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5028ee93-eb30-4760-990a-ff8411115d70/bin/ukojak-verify-1t5iHCbJaC/data/2521399bd/51a6454e99354847a8fc36dea1f0361d [2023-11-23 20:07:43,244 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:07:43,246 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:07:43,248 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:07:43,248 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:07:43,253 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:07:43,254 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:07:43" (1/1) ... [2023-11-23 20:07:43,256 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41b83876 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:43, skipping insertion in model container [2023-11-23 20:07:43,256 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:07:43" (1/1) ... [2023-11-23 20:07:43,278 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:07:43,427 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:07:43,433 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:07:43,446 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:07:43,460 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:07:43,461 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:43 WrapperNode [2023-11-23 20:07:43,461 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:07:43,462 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:07:43,463 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:07:43,463 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:07:43,471 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:43" (1/1) ... [2023-11-23 20:07:43,475 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:43" (1/1) ... [2023-11-23 20:07:43,489 INFO L138 Inliner]: procedures = 5, calls = 5, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 12 [2023-11-23 20:07:43,490 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:07:43,491 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:07:43,491 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:07:43,491 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:07:43,502 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:43" (1/1) ... [2023-11-23 20:07:43,502 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:43" (1/1) ... [2023-11-23 20:07:43,503 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:43" (1/1) ... [2023-11-23 20:07:43,503 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:43" (1/1) ... [2023-11-23 20:07:43,506 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:43" (1/1) ... [2023-11-23 20:07:43,508 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:43" (1/1) ... [2023-11-23 20:07:43,509 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:43" (1/1) ... [2023-11-23 20:07:43,510 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:43" (1/1) ... [2023-11-23 20:07:43,512 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:07:43,513 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:07:43,513 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:07:43,513 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:07:43,514 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:43" (1/1) ... [2023-11-23 20:07:43,521 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:07:43,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5028ee93-eb30-4760-990a-ff8411115d70/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:07:43,553 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5028ee93-eb30-4760-990a-ff8411115d70/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:07:43,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5028ee93-eb30-4760-990a-ff8411115d70/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:07:43,609 INFO L130 BoogieDeclarations]: Found specification of procedure g [2023-11-23 20:07:43,609 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2023-11-23 20:07:43,609 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:07:43,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:07:43,669 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:07:43,670 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:07:43,786 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:07:43,814 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:07:43,814 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 20:07:43,816 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:07:43 BoogieIcfgContainer [2023-11-23 20:07:43,816 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:07:43,817 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:07:43,818 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:07:43,827 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:07:43,827 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:07:43" (1/1) ... [2023-11-23 20:07:43,835 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:07:43,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:43,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 22 states and 25 transitions. [2023-11-23 20:07:43,892 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2023-11-23 20:07:43,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-23 20:07:43,896 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:43,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:43,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:44,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:07:44,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:44,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 25 states and 30 transitions. [2023-11-23 20:07:44,265 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 30 transitions. [2023-11-23 20:07:44,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:07:44,267 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:44,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:44,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:44,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:07:44,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:44,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 29 states and 36 transitions. [2023-11-23 20:07:44,685 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 36 transitions. [2023-11-23 20:07:44,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-23 20:07:44,686 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:44,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:44,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:44,915 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:07:45,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:45,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 34 states and 42 transitions. [2023-11-23 20:07:45,167 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 42 transitions. [2023-11-23 20:07:45,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 20:07:45,172 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:45,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:45,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:45,296 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:07:45,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:45,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 35 states and 44 transitions. [2023-11-23 20:07:45,380 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 44 transitions. [2023-11-23 20:07:45,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:07:45,381 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:45,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:45,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:45,467 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:07:45,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:45,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 39 states and 52 transitions. [2023-11-23 20:07:45,573 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 52 transitions. [2023-11-23 20:07:45,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:07:45,575 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:45,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:45,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:45,805 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:07:46,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:46,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 44 states and 58 transitions. [2023-11-23 20:07:46,123 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 58 transitions. [2023-11-23 20:07:46,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 20:07:46,125 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:46,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:46,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:46,246 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:07:46,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:46,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 43 states and 57 transitions. [2023-11-23 20:07:46,384 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 57 transitions. [2023-11-23 20:07:46,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:07:46,389 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:46,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:46,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:46,445 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:07:46,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:46,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 45 states and 58 transitions. [2023-11-23 20:07:46,499 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 58 transitions. [2023-11-23 20:07:46,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:07:46,501 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:46,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:46,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:46,697 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:07:47,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:47,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 51 states and 71 transitions. [2023-11-23 20:07:47,212 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 71 transitions. [2023-11-23 20:07:47,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 20:07:47,217 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:47,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:47,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:47,390 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:07:47,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:47,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 56 states and 77 transitions. [2023-11-23 20:07:47,725 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 77 transitions. [2023-11-23 20:07:47,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:07:47,731 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:47,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:47,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:47,919 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:07:48,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:48,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 61 states and 83 transitions. [2023-11-23 20:07:48,326 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 83 transitions. [2023-11-23 20:07:48,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-23 20:07:48,328 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:48,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:48,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:48,820 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 14 proven. 31 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-23 20:07:49,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:49,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 64 states and 98 transitions. [2023-11-23 20:07:49,755 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 98 transitions. [2023-11-23 20:07:49,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-23 20:07:49,756 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:49,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:49,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:49,865 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-23 20:07:50,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:50,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 65 states and 98 transitions. [2023-11-23 20:07:50,210 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 98 transitions. [2023-11-23 20:07:50,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-23 20:07:50,215 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:50,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:50,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:50,434 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 14 proven. 31 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-23 20:07:50,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:50,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 65 states and 98 transitions. [2023-11-23 20:07:50,506 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 98 transitions. [2023-11-23 20:07:50,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-23 20:07:50,509 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:50,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:50,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:50,684 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 14 proven. 31 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-23 20:07:50,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:50,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 65 states and 98 transitions. [2023-11-23 20:07:50,725 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 98 transitions. [2023-11-23 20:07:50,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 20:07:50,726 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:50,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:50,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:50,782 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-11-23 20:07:51,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:51,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 55 states and 73 transitions. [2023-11-23 20:07:51,049 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 73 transitions. [2023-11-23 20:07:51,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:07:51,050 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:51,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:51,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:51,262 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 65 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:07:51,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:51,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 60 states and 78 transitions. [2023-11-23 20:07:51,715 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 78 transitions. [2023-11-23 20:07:51,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-23 20:07:51,717 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:51,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:51,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:51,880 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-11-23 20:07:52,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:52,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 61 states and 78 transitions. [2023-11-23 20:07:52,295 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 78 transitions. [2023-11-23 20:07:52,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-23 20:07:52,298 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:52,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:52,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:52,362 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-11-23 20:07:52,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:52,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 48 states and 53 transitions. [2023-11-23 20:07:52,671 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 53 transitions. [2023-11-23 20:07:52,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-23 20:07:52,680 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:52,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:52,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:52,952 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 93 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:07:53,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:53,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 53 states and 58 transitions. [2023-11-23 20:07:53,492 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 58 transitions. [2023-11-23 20:07:53,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-23 20:07:53,493 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:53,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:53,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:53,822 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:07:54,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:54,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 58 states and 63 transitions. [2023-11-23 20:07:54,318 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 63 transitions. [2023-11-23 20:07:54,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-23 20:07:54,319 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:54,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:54,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:54,627 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 164 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:07:55,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:55,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 63 states and 68 transitions. [2023-11-23 20:07:55,240 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 68 transitions. [2023-11-23 20:07:55,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-23 20:07:55,242 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:55,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:55,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:55,545 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 0 proven. 207 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:07:56,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:56,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 68 states and 73 transitions. [2023-11-23 20:07:56,097 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 73 transitions. [2023-11-23 20:07:56,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-23 20:07:56,098 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:56,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:56,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:56,489 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 255 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:07:57,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:57,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 73 states and 78 transitions. [2023-11-23 20:07:57,063 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 78 transitions. [2023-11-23 20:07:57,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-23 20:07:57,064 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:57,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:57,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:57,455 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 0 proven. 308 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:07:58,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:58,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 78 states and 83 transitions. [2023-11-23 20:07:58,068 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 83 transitions. [2023-11-23 20:07:58,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-23 20:07:58,069 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:58,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:58,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:58,451 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 0 proven. 366 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:07:59,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:59,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 83 states and 88 transitions. [2023-11-23 20:07:59,130 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 88 transitions. [2023-11-23 20:07:59,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-23 20:07:59,131 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:59,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:59,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:59,525 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 0 proven. 429 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:08:00,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:00,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 88 states and 93 transitions. [2023-11-23 20:08:00,199 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 93 transitions. [2023-11-23 20:08:00,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-23 20:08:00,201 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:00,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:08:00,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:00,697 INFO L134 CoverageAnalysis]: Checked inductivity of 497 backedges. 0 proven. 497 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:08:01,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:01,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 93 states and 98 transitions. [2023-11-23 20:08:01,386 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 98 transitions. [2023-11-23 20:08:01,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-11-23 20:08:01,388 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:01,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:08:01,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:01,933 INFO L134 CoverageAnalysis]: Checked inductivity of 570 backedges. 0 proven. 570 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:08:02,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:02,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 98 states and 103 transitions. [2023-11-23 20:08:02,619 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 103 transitions. [2023-11-23 20:08:02,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-11-23 20:08:02,620 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:02,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:08:02,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:03,229 INFO L134 CoverageAnalysis]: Checked inductivity of 648 backedges. 0 proven. 648 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:08:03,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:03,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 103 states and 108 transitions. [2023-11-23 20:08:03,942 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 108 transitions. [2023-11-23 20:08:03,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-11-23 20:08:03,943 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:03,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:08:03,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:04,508 INFO L134 CoverageAnalysis]: Checked inductivity of 731 backedges. 0 proven. 731 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:08:05,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:05,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 108 states and 113 transitions. [2023-11-23 20:08:05,295 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 113 transitions. [2023-11-23 20:08:05,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-11-23 20:08:05,296 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:05,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:08:05,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:05,979 INFO L134 CoverageAnalysis]: Checked inductivity of 819 backedges. 0 proven. 819 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:08:06,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:06,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 113 states and 118 transitions. [2023-11-23 20:08:06,776 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 118 transitions. [2023-11-23 20:08:06,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-11-23 20:08:06,777 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:06,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:08:06,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:07,468 INFO L134 CoverageAnalysis]: Checked inductivity of 912 backedges. 0 proven. 912 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:08:08,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:08,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 118 states and 123 transitions. [2023-11-23 20:08:08,303 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 123 transitions. [2023-11-23 20:08:08,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-11-23 20:08:08,304 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:08,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:08:08,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:09,078 INFO L134 CoverageAnalysis]: Checked inductivity of 1010 backedges. 0 proven. 1010 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:08:09,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:09,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 123 states and 128 transitions. [2023-11-23 20:08:09,978 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 128 transitions. [2023-11-23 20:08:09,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-11-23 20:08:09,979 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:09,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:08:10,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:10,713 INFO L134 CoverageAnalysis]: Checked inductivity of 1113 backedges. 0 proven. 1113 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:08:11,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:11,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 128 states and 133 transitions. [2023-11-23 20:08:11,517 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 133 transitions. [2023-11-23 20:08:11,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-23 20:08:11,518 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:11,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:08:11,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:12,331 INFO L134 CoverageAnalysis]: Checked inductivity of 1221 backedges. 0 proven. 1221 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:08:13,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:13,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 133 states and 138 transitions. [2023-11-23 20:08:13,239 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 138 transitions. [2023-11-23 20:08:13,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-11-23 20:08:13,241 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:13,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:08:13,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:14,053 INFO L134 CoverageAnalysis]: Checked inductivity of 1334 backedges. 0 proven. 1334 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:08:14,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:14,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 138 states and 143 transitions. [2023-11-23 20:08:14,903 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 143 transitions. [2023-11-23 20:08:14,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2023-11-23 20:08:14,904 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:14,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:08:14,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:15,759 INFO L134 CoverageAnalysis]: Checked inductivity of 1452 backedges. 0 proven. 1452 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:08:16,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:16,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 143 states and 148 transitions. [2023-11-23 20:08:16,583 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 148 transitions. [2023-11-23 20:08:16,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-11-23 20:08:16,584 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:16,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:08:16,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:17,487 INFO L134 CoverageAnalysis]: Checked inductivity of 1575 backedges. 0 proven. 1575 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:08:18,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:18,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 148 states and 153 transitions. [2023-11-23 20:08:18,447 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 153 transitions. [2023-11-23 20:08:18,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-11-23 20:08:18,449 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:18,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:08:18,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:19,392 INFO L134 CoverageAnalysis]: Checked inductivity of 1703 backedges. 0 proven. 1703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:08:20,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:20,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 153 states and 158 transitions. [2023-11-23 20:08:20,212 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 158 transitions. [2023-11-23 20:08:20,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-11-23 20:08:20,213 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:20,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:08:20,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:21,272 INFO L134 CoverageAnalysis]: Checked inductivity of 1836 backedges. 0 proven. 1836 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:08:22,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:22,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 158 states and 163 transitions. [2023-11-23 20:08:22,214 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 163 transitions. [2023-11-23 20:08:22,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2023-11-23 20:08:22,215 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:22,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:08:22,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:23,366 INFO L134 CoverageAnalysis]: Checked inductivity of 1974 backedges. 0 proven. 1974 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:08:24,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:24,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 163 states and 168 transitions. [2023-11-23 20:08:24,263 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 168 transitions. [2023-11-23 20:08:24,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2023-11-23 20:08:24,264 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:24,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:08:24,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:25,365 INFO L134 CoverageAnalysis]: Checked inductivity of 2117 backedges. 0 proven. 2117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.