./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-numeric/rec_counter3.c --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_213cd4d4-45eb-4b64-ae4b-2009a67a1094/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213cd4d4-45eb-4b64-ae4b-2009a67a1094/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_213cd4d4-45eb-4b64-ae4b-2009a67a1094/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213cd4d4-45eb-4b64-ae4b-2009a67a1094/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-numeric/rec_counter3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213cd4d4-45eb-4b64-ae4b-2009a67a1094/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213cd4d4-45eb-4b64-ae4b-2009a67a1094/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 64bit --witnessprinter.graph.data.programhash d7b4f33979632a981e739ff06b52fe01aa9fb175d5e5193b145052887f22f8a3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:48:44,837 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:48:44,964 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213cd4d4-45eb-4b64-ae4b-2009a67a1094/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-21 18:48:44,977 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:48:44,979 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:48:45,014 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:48:45,020 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:48:45,021 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:48:45,022 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:48:45,027 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:48:45,028 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:48:45,028 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:48:45,029 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:48:45,030 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:48:45,031 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:48:45,031 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:48:45,031 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:48:45,032 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:48:45,033 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:48:45,033 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:48:45,034 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:48:45,035 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:48:45,035 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:48:45,036 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:48:45,036 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:48:45,037 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:48:45,037 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:48:45,038 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:48:45,038 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:48:45,038 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:48:45,040 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:48:45,040 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:48:45,040 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_213cd4d4-45eb-4b64-ae4b-2009a67a1094/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213cd4d4-45eb-4b64-ae4b-2009a67a1094/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d7b4f33979632a981e739ff06b52fe01aa9fb175d5e5193b145052887f22f8a3 [2023-11-21 18:48:45,416 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:48:45,465 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:48:45,468 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:48:45,469 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:48:45,470 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:48:45,471 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213cd4d4-45eb-4b64-ae4b-2009a67a1094/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/termination-numeric/rec_counter3.c [2023-11-21 18:48:48,822 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:48:49,085 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:48:49,086 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213cd4d4-45eb-4b64-ae4b-2009a67a1094/sv-benchmarks/c/termination-numeric/rec_counter3.c [2023-11-21 18:48:49,093 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213cd4d4-45eb-4b64-ae4b-2009a67a1094/bin/ukojak-verify-i0I2FZA1j2/data/dacf03822/91fcda656b274907b5624b523bdbdcca/FLAG2cd53c3a9 [2023-11-21 18:48:49,114 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213cd4d4-45eb-4b64-ae4b-2009a67a1094/bin/ukojak-verify-i0I2FZA1j2/data/dacf03822/91fcda656b274907b5624b523bdbdcca [2023-11-21 18:48:49,116 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:48:49,118 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:48:49,120 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:48:49,121 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:48:49,129 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:48:49,130 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:48:49" (1/1) ... [2023-11-21 18:48:49,131 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3761cdc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:49, skipping insertion in model container [2023-11-21 18:48:49,133 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:48:49" (1/1) ... [2023-11-21 18:48:49,157 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:48:49,333 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:48:49,340 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:48:49,355 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:48:49,373 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:48:49,374 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:49 WrapperNode [2023-11-21 18:48:49,374 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:48:49,376 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:48:49,376 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:48:49,376 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:48:49,386 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:49" (1/1) ... [2023-11-21 18:48:49,391 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:49" (1/1) ... [2023-11-21 18:48:49,410 INFO L138 Inliner]: procedures = 5, calls = 4, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 17 [2023-11-21 18:48:49,411 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:48:49,412 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:48:49,412 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:48:49,412 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:48:49,422 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:49" (1/1) ... [2023-11-21 18:48:49,423 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:49" (1/1) ... [2023-11-21 18:48:49,424 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:49" (1/1) ... [2023-11-21 18:48:49,424 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:49" (1/1) ... [2023-11-21 18:48:49,427 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:49" (1/1) ... [2023-11-21 18:48:49,432 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:49" (1/1) ... [2023-11-21 18:48:49,433 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:49" (1/1) ... [2023-11-21 18:48:49,434 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:49" (1/1) ... [2023-11-21 18:48:49,436 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:48:49,437 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:48:49,438 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:48:49,438 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:48:49,439 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:49" (1/1) ... [2023-11-21 18:48:49,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:48:49,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213cd4d4-45eb-4b64-ae4b-2009a67a1094/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:48:49,474 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213cd4d4-45eb-4b64-ae4b-2009a67a1094/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:48:49,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_213cd4d4-45eb-4b64-ae4b-2009a67a1094/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:48:49,523 INFO L130 BoogieDeclarations]: Found specification of procedure rec [2023-11-21 18:48:49,524 INFO L138 BoogieDeclarations]: Found implementation of procedure rec [2023-11-21 18:48:49,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:48:49,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:48:49,609 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:48:49,616 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:48:49,885 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:48:49,936 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:48:49,938 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 18:48:49,942 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:48:49 BoogieIcfgContainer [2023-11-21 18:48:49,943 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:48:49,945 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:48:49,945 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:48:49,959 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:48:49,959 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:48:49" (1/1) ... [2023-11-21 18:48:49,972 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:48:50,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:50,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 26 states and 30 transitions. [2023-11-21 18:48:50,067 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2023-11-21 18:48:50,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:48:50,074 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:50,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:50,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:50,412 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 18:48:50,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:50,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 29 states and 34 transitions. [2023-11-21 18:48:50,566 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 34 transitions. [2023-11-21 18:48:50,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:48:50,567 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:50,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:50,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:50,685 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 18:48:50,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:50,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 33 states and 39 transitions. [2023-11-21 18:48:50,915 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 39 transitions. [2023-11-21 18:48:50,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 18:48:50,916 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:50,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:50,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:51,048 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:48:51,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:51,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 31 states and 36 transitions. [2023-11-21 18:48:51,231 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 36 transitions. [2023-11-21 18:48:51,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:48:51,232 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:51,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:51,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:51,346 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:48:51,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:51,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 26 states and 30 transitions. [2023-11-21 18:48:51,422 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2023-11-21 18:48:51,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:48:51,423 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:51,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:51,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:51,508 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-21 18:48:51,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:51,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 25 states and 29 transitions. [2023-11-21 18:48:51,554 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2023-11-21 18:48:51,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:48:51,555 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:51,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:51,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:51,625 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:48:51,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:51,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 27 states and 33 transitions. [2023-11-21 18:48:51,682 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 33 transitions. [2023-11-21 18:48:51,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:48:51,684 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:51,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:51,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:51,911 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-21 18:48:52,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:52,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 31 states and 39 transitions. [2023-11-21 18:48:52,213 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 39 transitions. [2023-11-21 18:48:52,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:48:52,214 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:52,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:52,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:52,332 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:48:52,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:52,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 34 states and 44 transitions. [2023-11-21 18:48:52,727 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 44 transitions. [2023-11-21 18:48:52,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:48:52,730 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:52,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:52,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:53,152 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-11-21 18:48:54,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:54,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 40 states and 53 transitions. [2023-11-21 18:48:54,084 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 53 transitions. [2023-11-21 18:48:54,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:48:54,093 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:54,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:54,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:54,210 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:48:54,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:54,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 43 states and 58 transitions. [2023-11-21 18:48:54,856 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 58 transitions. [2023-11-21 18:48:54,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:48:54,860 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:54,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:54,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:55,100 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-21 18:48:55,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:55,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 48 states and 63 transitions. [2023-11-21 18:48:55,940 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 63 transitions. [2023-11-21 18:48:55,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-21 18:48:55,941 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:55,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:55,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:56,350 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-21 18:48:57,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:57,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 54 states and 72 transitions. [2023-11-21 18:48:57,244 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 72 transitions. [2023-11-21 18:48:57,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-21 18:48:57,250 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:57,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:57,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:57,413 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2023-11-21 18:48:57,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:57,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 57 states and 77 transitions. [2023-11-21 18:48:57,989 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 77 transitions. [2023-11-21 18:48:57,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:48:57,991 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:57,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:58,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:58,097 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 15 proven. 2 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-11-21 18:48:58,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:58,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 58 states and 77 transitions. [2023-11-21 18:48:58,410 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 77 transitions. [2023-11-21 18:48:58,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-21 18:48:58,411 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:58,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:58,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:58,647 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-11-21 18:49:00,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:00,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 66 states and 86 transitions. [2023-11-21 18:49:00,329 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 86 transitions. [2023-11-21 18:49:00,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-21 18:49:00,331 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:00,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:00,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:00,866 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-11-21 18:49:02,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:02,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 72 states and 95 transitions. [2023-11-21 18:49:02,126 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 95 transitions. [2023-11-21 18:49:02,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-21 18:49:02,128 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:02,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:02,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:02,268 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 21 proven. 1 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-11-21 18:49:03,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:03,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 75 states and 100 transitions. [2023-11-21 18:49:03,021 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 100 transitions. [2023-11-21 18:49:03,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-21 18:49:03,022 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:03,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:03,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:03,108 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 33 proven. 2 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2023-11-21 18:49:03,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:03,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 76 states and 100 transitions. [2023-11-21 18:49:03,499 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 100 transitions. [2023-11-21 18:49:03,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-21 18:49:03,501 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:03,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:03,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:03,911 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 0 proven. 89 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2023-11-21 18:49:06,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:06,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 87 states and 112 transitions. [2023-11-21 18:49:06,902 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 112 transitions. [2023-11-21 18:49:06,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-11-21 18:49:06,904 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:06,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:06,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:07,605 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 0 proven. 121 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-11-21 18:49:09,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:09,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 93 states and 121 transitions. [2023-11-21 18:49:09,172 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 121 transitions. [2023-11-21 18:49:09,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-21 18:49:09,174 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:09,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:09,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:09,271 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 36 proven. 1 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2023-11-21 18:49:10,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:10,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 96 states and 126 transitions. [2023-11-21 18:49:10,128 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 126 transitions. [2023-11-21 18:49:10,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-11-21 18:49:10,130 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:10,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:10,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:10,250 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 58 proven. 2 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2023-11-21 18:49:10,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:10,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 97 states and 126 transitions. [2023-11-21 18:49:10,735 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 126 transitions. [2023-11-21 18:49:10,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-11-21 18:49:10,736 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:10,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:10,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:11,132 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 0 proven. 207 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2023-11-21 18:49:14,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:14,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 111 states and 141 transitions. [2023-11-21 18:49:14,755 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 141 transitions. [2023-11-21 18:49:14,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-11-21 18:49:14,756 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:14,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:14,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:15,776 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 0 proven. 255 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2023-11-21 18:49:17,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:17,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 117 states and 150 transitions. [2023-11-21 18:49:17,708 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 150 transitions. [2023-11-21 18:49:17,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-11-21 18:49:17,711 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:17,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:17,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:17,839 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 55 proven. 1 refuted. 0 times theorem prover too weak. 379 trivial. 0 not checked. [2023-11-21 18:49:18,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:18,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 120 states and 155 transitions. [2023-11-21 18:49:18,918 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 155 transitions. [2023-11-21 18:49:18,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-11-21 18:49:18,920 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:18,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:18,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:19,028 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 90 proven. 2 refuted. 0 times theorem prover too weak. 350 trivial. 0 not checked. [2023-11-21 18:49:19,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:19,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 121 states and 155 transitions. [2023-11-21 18:49:19,595 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 155 transitions. [2023-11-21 18:49:19,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-21 18:49:19,596 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:19,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:19,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:21,871 INFO L134 CoverageAnalysis]: Checked inductivity of 582 backedges. 200 proven. 35 refuted. 0 times theorem prover too weak. 347 trivial. 0 not checked. [2023-11-21 18:49:28,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:28,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 138 states and 174 transitions. [2023-11-21 18:49:28,830 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 174 transitions. [2023-11-21 18:49:28,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-11-21 18:49:28,831 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:28,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:28,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:30,016 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 0 proven. 494 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2023-11-21 18:49:32,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:32,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 144 states and 183 transitions. [2023-11-21 18:49:32,178 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 183 transitions. [2023-11-21 18:49:32,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-11-21 18:49:32,179 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:32,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:32,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:32,273 INFO L134 CoverageAnalysis]: Checked inductivity of 711 backedges. 78 proven. 1 refuted. 0 times theorem prover too weak. 632 trivial. 0 not checked. [2023-11-21 18:49:33,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:33,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 147 states and 188 transitions. [2023-11-21 18:49:33,255 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 188 transitions. [2023-11-21 18:49:33,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-11-21 18:49:33,257 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:33,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:33,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:33,351 INFO L134 CoverageAnalysis]: Checked inductivity of 766 backedges. 129 proven. 2 refuted. 0 times theorem prover too weak. 635 trivial. 0 not checked. [2023-11-21 18:49:33,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:33,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 148 states and 188 transitions. [2023-11-21 18:49:33,905 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 188 transitions. [2023-11-21 18:49:33,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2023-11-21 18:49:33,906 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:33,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:33,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:34,510 INFO L134 CoverageAnalysis]: Checked inductivity of 1022 backedges. 0 proven. 782 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked.