./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/verifythis/elimination_max_rec.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18c4bd04-46b6-4f1e-bbfa-8aa52f0c7728/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18c4bd04-46b6-4f1e-bbfa-8aa52f0c7728/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18c4bd04-46b6-4f1e-bbfa-8aa52f0c7728/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18c4bd04-46b6-4f1e-bbfa-8aa52f0c7728/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/verifythis/elimination_max_rec.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18c4bd04-46b6-4f1e-bbfa-8aa52f0c7728/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18c4bd04-46b6-4f1e-bbfa-8aa52f0c7728/bin/ukojak-verify-i0I2FZA1j2 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1d89bfe4b4c4586e423a8e3ebdbb120ac074219803de53807cd9f075553c6e3a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:48:54,290 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:48:54,385 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18c4bd04-46b6-4f1e-bbfa-8aa52f0c7728/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:48:54,395 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:48:54,395 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:48:54,438 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:48:54,439 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:48:54,440 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:48:54,441 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:48:54,446 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:48:54,447 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:48:54,448 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:48:54,448 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:48:54,450 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:48:54,450 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:48:54,451 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:48:54,451 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:48:54,452 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:48:54,452 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:48:54,453 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:48:54,453 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:48:54,455 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:48:54,455 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:48:54,456 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:48:54,457 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:48:54,457 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:48:54,458 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:48:54,458 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:48:54,459 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:48:54,459 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:48:54,460 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:48:54,461 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:48:54,461 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:48:54,461 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:48:54,461 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:48:54,462 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_18c4bd04-46b6-4f1e-bbfa-8aa52f0c7728/bin/ukojak-verify-i0I2FZA1j2/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18c4bd04-46b6-4f1e-bbfa-8aa52f0c7728/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1d89bfe4b4c4586e423a8e3ebdbb120ac074219803de53807cd9f075553c6e3a [2023-11-21 18:48:54,743 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:48:54,796 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:48:54,799 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:48:54,800 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:48:54,801 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:48:54,803 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18c4bd04-46b6-4f1e-bbfa-8aa52f0c7728/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/verifythis/elimination_max_rec.c [2023-11-21 18:48:58,112 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:48:58,310 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:48:58,311 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18c4bd04-46b6-4f1e-bbfa-8aa52f0c7728/sv-benchmarks/c/verifythis/elimination_max_rec.c [2023-11-21 18:48:58,319 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18c4bd04-46b6-4f1e-bbfa-8aa52f0c7728/bin/ukojak-verify-i0I2FZA1j2/data/1e2f02316/1e68fe5c53994803914612c11cb7c686/FLAG17f118f64 [2023-11-21 18:48:58,333 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18c4bd04-46b6-4f1e-bbfa-8aa52f0c7728/bin/ukojak-verify-i0I2FZA1j2/data/1e2f02316/1e68fe5c53994803914612c11cb7c686 [2023-11-21 18:48:58,336 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:48:58,337 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:48:58,339 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:48:58,339 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:48:58,355 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:48:58,356 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:48:58" (1/1) ... [2023-11-21 18:48:58,357 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43454939 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:58, skipping insertion in model container [2023-11-21 18:48:58,357 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:48:58" (1/1) ... [2023-11-21 18:48:58,379 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:48:58,549 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:48:58,562 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:48:58,583 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:48:58,598 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:48:58,598 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:58 WrapperNode [2023-11-21 18:48:58,598 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:48:58,600 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:48:58,600 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:48:58,600 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:48:58,608 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:58" (1/1) ... [2023-11-21 18:48:58,616 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:58" (1/1) ... [2023-11-21 18:48:58,634 INFO L138 Inliner]: procedures = 19, calls = 21, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 32 [2023-11-21 18:48:58,634 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:48:58,634 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:48:58,635 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:48:58,635 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:48:58,644 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:58" (1/1) ... [2023-11-21 18:48:58,645 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:58" (1/1) ... [2023-11-21 18:48:58,647 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:58" (1/1) ... [2023-11-21 18:48:58,648 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:58" (1/1) ... [2023-11-21 18:48:58,655 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:58" (1/1) ... [2023-11-21 18:48:58,657 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:58" (1/1) ... [2023-11-21 18:48:58,658 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:58" (1/1) ... [2023-11-21 18:48:58,659 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:58" (1/1) ... [2023-11-21 18:48:58,662 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:48:58,663 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:48:58,663 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:48:58,663 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:48:58,664 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:58" (1/1) ... [2023-11-21 18:48:58,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:48:58,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18c4bd04-46b6-4f1e-bbfa-8aa52f0c7728/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:48:58,697 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18c4bd04-46b6-4f1e-bbfa-8aa52f0c7728/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:48:58,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18c4bd04-46b6-4f1e-bbfa-8aa52f0c7728/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:48:58,759 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:48:58,759 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:48:58,759 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:48:58,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:48:58,760 INFO L130 BoogieDeclarations]: Found specification of procedure check [2023-11-21 18:48:58,760 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2023-11-21 18:48:58,760 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 18:48:58,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:48:58,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:48:58,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:48:58,761 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:48:58,761 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:48:58,761 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:48:58,869 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:48:58,871 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:48:59,048 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:48:59,091 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:48:59,092 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 18:48:59,093 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:48:59 BoogieIcfgContainer [2023-11-21 18:48:59,094 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:48:59,095 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:48:59,095 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:48:59,106 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:48:59,106 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:48:59" (1/1) ... [2023-11-21 18:48:59,116 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:48:59,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:59,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 35 states and 39 transitions. [2023-11-21 18:48:59,176 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 39 transitions. [2023-11-21 18:48:59,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:48:59,181 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:59,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:59,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:59,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:48:59,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:59,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 34 states and 38 transitions. [2023-11-21 18:48:59,724 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 38 transitions. [2023-11-21 18:48:59,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:48:59,726 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:59,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:59,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:59,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:48:59,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:59,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 33 states and 37 transitions. [2023-11-21 18:48:59,854 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 37 transitions. [2023-11-21 18:48:59,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:48:59,855 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:59,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:59,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:00,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:49:00,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:00,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 39 states and 47 transitions. [2023-11-21 18:49:00,188 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 47 transitions. [2023-11-21 18:49:00,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:49:00,190 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:00,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:00,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:00,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:49:00,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:00,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 40 states and 49 transitions. [2023-11-21 18:49:00,553 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 49 transitions. [2023-11-21 18:49:00,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:49:00,555 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:00,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:00,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:00,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:49:00,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:00,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 41 states and 50 transitions. [2023-11-21 18:49:00,676 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 50 transitions. [2023-11-21 18:49:00,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:49:00,677 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:00,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:00,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:00,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:49:01,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:01,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 48 states and 61 transitions. [2023-11-21 18:49:01,336 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 61 transitions. [2023-11-21 18:49:01,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:49:01,339 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:01,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:01,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:01,560 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:49:01,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:01,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 55 states and 77 transitions. [2023-11-21 18:49:01,893 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 77 transitions. [2023-11-21 18:49:01,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:49:01,897 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:01,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:01,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:02,055 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:49:02,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:02,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 58 states and 82 transitions. [2023-11-21 18:49:02,553 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 82 transitions. [2023-11-21 18:49:02,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:49:02,554 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:02,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:02,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:02,901 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:49:04,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:04,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 63 states and 91 transitions. [2023-11-21 18:49:04,608 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 91 transitions. [2023-11-21 18:49:04,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:49:04,611 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:04,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:04,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:04,972 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:49:05,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:05,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 71 states and 107 transitions. [2023-11-21 18:49:05,950 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 107 transitions. [2023-11-21 18:49:05,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:49:05,952 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:05,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:05,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:06,033 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-21 18:49:06,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:06,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 79 states and 118 transitions. [2023-11-21 18:49:06,830 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 118 transitions. [2023-11-21 18:49:06,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-21 18:49:06,832 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:06,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:06,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:07,193 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 7 proven. 13 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:49:07,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:07,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 80 states and 118 transitions. [2023-11-21 18:49:07,299 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 118 transitions. [2023-11-21 18:49:07,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-21 18:49:07,303 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:07,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:07,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:07,435 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:49:07,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:07,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 82 states and 120 transitions. [2023-11-21 18:49:07,956 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 120 transitions. [2023-11-21 18:49:07,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-21 18:49:07,957 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:07,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:07,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:08,302 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:49:09,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:09,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 90 states and 136 transitions. [2023-11-21 18:49:09,295 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 136 transitions. [2023-11-21 18:49:09,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-21 18:49:09,296 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:09,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:09,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:09,411 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:49:10,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:10,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 98 states and 147 transitions. [2023-11-21 18:49:10,370 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 147 transitions. [2023-11-21 18:49:10,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-21 18:49:10,371 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:10,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:10,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:10,462 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:49:11,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:11,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 100 states and 150 transitions. [2023-11-21 18:49:11,101 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 150 transitions. [2023-11-21 18:49:11,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-21 18:49:11,102 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:11,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:11,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:11,627 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:49:12,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:12,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 108 states and 166 transitions. [2023-11-21 18:49:12,897 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 166 transitions. [2023-11-21 18:49:12,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-21 18:49:12,898 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:12,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:12,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:13,330 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2023-11-21 18:49:19,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:19,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 136 states and 218 transitions. [2023-11-21 18:49:19,673 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 218 transitions. [2023-11-21 18:49:19,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-21 18:49:19,675 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:19,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:19,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:19,950 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 17 proven. 8 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:49:20,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:20,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 136 states and 217 transitions. [2023-11-21 18:49:20,466 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 217 transitions. [2023-11-21 18:49:20,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-21 18:49:20,468 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:20,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:20,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:21,143 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:49:22,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:22,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 144 states and 233 transitions. [2023-11-21 18:49:22,678 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 233 transitions. [2023-11-21 18:49:22,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-21 18:49:22,680 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:22,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:22,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:22,874 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2023-11-21 18:49:27,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:27,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 160 states and 257 transitions. [2023-11-21 18:49:27,387 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 257 transitions. [2023-11-21 18:49:27,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-21 18:49:27,389 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:27,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:27,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:27,605 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 37 proven. 4 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2023-11-21 18:49:28,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:28,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 160 states and 256 transitions. [2023-11-21 18:49:28,253 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 256 transitions. [2023-11-21 18:49:28,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-21 18:49:28,255 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:28,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:28,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:29,038 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 115 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-21 18:49:31,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:31,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 168 states and 272 transitions. [2023-11-21 18:49:31,018 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 272 transitions. [2023-11-21 18:49:31,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-21 18:49:31,020 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:31,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:31,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:31,265 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2023-11-21 18:49:33,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:33,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 176 states and 283 transitions. [2023-11-21 18:49:33,116 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 283 transitions. [2023-11-21 18:49:33,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-21 18:49:33,118 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:33,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:33,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:33,945 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2023-11-21 18:49:37,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:37,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 182 states and 294 transitions. [2023-11-21 18:49:37,257 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 294 transitions. [2023-11-21 18:49:37,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-21 18:49:37,259 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:37,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:37,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:37,512 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-21 18:49:38,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:38,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 184 states and 297 transitions. [2023-11-21 18:49:38,645 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 297 transitions. [2023-11-21 18:49:38,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-11-21 18:49:38,647 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:38,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:38,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:39,601 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-21 18:49:41,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:41,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 192 states and 313 transitions. [2023-11-21 18:49:41,529 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 313 transitions. [2023-11-21 18:49:41,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-11-21 18:49:41,531 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:41,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:41,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:41,750 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2023-11-21 18:49:43,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:43,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 200 states and 324 transitions. [2023-11-21 18:49:43,423 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 324 transitions. [2023-11-21 18:49:43,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-11-21 18:49:43,425 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:43,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:43,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:43,820 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked.