./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-restricted-15/GCD2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 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_827aeef9-9f1a-4877-8c0d-5a0e61a00034/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_827aeef9-9f1a-4877-8c0d-5a0e61a00034/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_827aeef9-9f1a-4877-8c0d-5a0e61a00034/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_827aeef9-9f1a-4877-8c0d-5a0e61a00034/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-restricted-15/GCD2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_827aeef9-9f1a-4877-8c0d-5a0e61a00034/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_827aeef9-9f1a-4877-8c0d-5a0e61a00034/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 35227298135ad932045d20354d3c27230a951768ba1221004cc62379288111ba --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:26:22,338 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:26:22,443 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_827aeef9-9f1a-4877-8c0d-5a0e61a00034/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-21 18:26:22,453 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:26:22,454 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:26:22,506 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:26:22,507 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:26:22,508 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:26:22,509 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:26:22,514 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:26:22,516 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:26:22,516 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:26:22,517 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:26:22,518 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:26:22,519 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:26:22,519 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:26:22,520 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:26:22,520 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:26:22,521 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:26:22,521 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:26:22,522 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:26:22,523 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:26:22,523 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:26:22,524 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:26:22,524 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:26:22,525 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:26:22,525 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:26:22,526 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:26:22,526 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:26:22,526 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:26:22,528 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:26:22,528 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:26:22,529 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_827aeef9-9f1a-4877-8c0d-5a0e61a00034/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_827aeef9-9f1a-4877-8c0d-5a0e61a00034/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 35227298135ad932045d20354d3c27230a951768ba1221004cc62379288111ba [2023-11-21 18:26:22,783 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:26:22,806 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:26:22,809 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:26:22,811 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:26:22,811 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:26:22,813 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_827aeef9-9f1a-4877-8c0d-5a0e61a00034/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/termination-restricted-15/GCD2.c [2023-11-21 18:26:26,096 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:26:26,324 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:26:26,330 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_827aeef9-9f1a-4877-8c0d-5a0e61a00034/sv-benchmarks/c/termination-restricted-15/GCD2.c [2023-11-21 18:26:26,338 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_827aeef9-9f1a-4877-8c0d-5a0e61a00034/bin/ukojak-verify-i0I2FZA1j2/data/832095da3/fd67c3859a1e48dfbdec141c9bf5b1bc/FLAG1e6a12897 [2023-11-21 18:26:26,360 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_827aeef9-9f1a-4877-8c0d-5a0e61a00034/bin/ukojak-verify-i0I2FZA1j2/data/832095da3/fd67c3859a1e48dfbdec141c9bf5b1bc [2023-11-21 18:26:26,363 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:26:26,366 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:26:26,367 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:26:26,368 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:26:26,373 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:26:26,374 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:26:26" (1/1) ... [2023-11-21 18:26:26,375 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57e0d053 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:26, skipping insertion in model container [2023-11-21 18:26:26,375 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:26:26" (1/1) ... [2023-11-21 18:26:26,398 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:26:26,531 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:26:26,538 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:26:26,553 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:26:26,565 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:26:26,565 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:26 WrapperNode [2023-11-21 18:26:26,566 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:26:26,566 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:26:26,567 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:26:26,567 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:26:26,575 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:26" (1/1) ... [2023-11-21 18:26:26,579 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:26" (1/1) ... [2023-11-21 18:26:26,597 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 33 [2023-11-21 18:26:26,598 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:26:26,598 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:26:26,598 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:26:26,599 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:26:26,608 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:26" (1/1) ... [2023-11-21 18:26:26,608 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:26" (1/1) ... [2023-11-21 18:26:26,609 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:26" (1/1) ... [2023-11-21 18:26:26,609 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:26" (1/1) ... [2023-11-21 18:26:26,611 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:26" (1/1) ... [2023-11-21 18:26:26,616 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:26" (1/1) ... [2023-11-21 18:26:26,617 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:26" (1/1) ... [2023-11-21 18:26:26,617 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:26" (1/1) ... [2023-11-21 18:26:26,619 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:26:26,620 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:26:26,620 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:26:26,620 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:26:26,621 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:26" (1/1) ... [2023-11-21 18:26:26,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:26:26,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_827aeef9-9f1a-4877-8c0d-5a0e61a00034/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:26:26,655 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_827aeef9-9f1a-4877-8c0d-5a0e61a00034/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:26:26,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_827aeef9-9f1a-4877-8c0d-5a0e61a00034/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:26:26,704 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:26:26,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:26:26,800 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:26:26,802 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:26:26,949 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:26:26,981 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:26:26,981 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 18:26:26,983 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:26:26 BoogieIcfgContainer [2023-11-21 18:26:26,983 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:26:26,984 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:26:26,984 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:26:26,996 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:26:26,996 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:26:26" (1/1) ... [2023-11-21 18:26:27,009 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:26:27,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:27,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 10 states and 12 transitions. [2023-11-21 18:26:27,072 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2023-11-21 18:26:27,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-21 18:26:27,075 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:27,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:27,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:27,246 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 18:26:27,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:27,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2023-11-21 18:26:27,285 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2023-11-21 18:26:27,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:26:27,285 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:27,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:27,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:27,426 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 18:26:27,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:27,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 14 states and 20 transitions. [2023-11-21 18:26:27,621 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 20 transitions. [2023-11-21 18:26:27,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:26:27,622 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:27,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:27,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:27,728 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 18:26:28,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:28,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 24 transitions. [2023-11-21 18:26:28,005 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 24 transitions. [2023-11-21 18:26:28,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:26:28,005 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:28,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:28,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:28,212 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:26:28,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:28,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 19 states and 30 transitions. [2023-11-21 18:26:28,609 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 30 transitions. [2023-11-21 18:26:28,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:26:28,610 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:28,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:28,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:28,752 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 18:26:29,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:29,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 23 states and 42 transitions. [2023-11-21 18:26:29,455 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 42 transitions. [2023-11-21 18:26:29,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:26:29,459 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:29,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:29,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:29,565 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:26:30,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:30,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 26 states and 48 transitions. [2023-11-21 18:26:30,433 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 48 transitions. [2023-11-21 18:26:30,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:26:30,434 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:30,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:30,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:30,681 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:26:31,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:31,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 30 states and 57 transitions. [2023-11-21 18:26:31,829 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 57 transitions. [2023-11-21 18:26:31,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:26:31,829 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:31,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:31,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:32,112 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:26:33,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:33,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 34 states and 69 transitions. [2023-11-21 18:26:33,425 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 69 transitions. [2023-11-21 18:26:33,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:26:33,426 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:33,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:33,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:33,540 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:26:34,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:34,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 35 states and 74 transitions. [2023-11-21 18:26:34,289 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 74 transitions. [2023-11-21 18:26:34,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:26:34,290 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:34,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:34,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:34,439 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:26:35,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:35,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 38 states and 82 transitions. [2023-11-21 18:26:35,793 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 82 transitions. [2023-11-21 18:26:35,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:26:35,794 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:35,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:35,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:36,232 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:26:38,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:38,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 41 states and 92 transitions. [2023-11-21 18:26:38,064 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 92 transitions. [2023-11-21 18:26:38,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:26:38,065 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:38,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:38,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:38,103 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-21 18:26:38,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:38,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 43 states and 95 transitions. [2023-11-21 18:26:38,674 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 95 transitions. [2023-11-21 18:26:38,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:26:38,677 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:38,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:38,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:38,780 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 11 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:26:39,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:39,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 43 states and 94 transitions. [2023-11-21 18:26:39,079 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 94 transitions. [2023-11-21 18:26:39,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:26:39,080 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:39,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:39,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:39,129 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:26:39,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:39,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 45 states and 95 transitions. [2023-11-21 18:26:39,883 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 95 transitions. [2023-11-21 18:26:39,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:26:39,884 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:39,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:39,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:39,947 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:26:40,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:40,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 45 states and 94 transitions. [2023-11-21 18:26:40,219 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 94 transitions. [2023-11-21 18:26:40,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:26:40,220 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:40,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:40,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:40,378 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:26:42,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:42,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 48 states and 100 transitions. [2023-11-21 18:26:42,084 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 100 transitions. [2023-11-21 18:26:42,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:26:42,085 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:42,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:42,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:42,714 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 1 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:26:45,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:45,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 51 states and 109 transitions. [2023-11-21 18:26:45,019 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 109 transitions. [2023-11-21 18:26:45,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:26:45,020 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:45,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:45,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:45,181 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:26:47,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:47,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 54 states and 115 transitions. [2023-11-21 18:26:47,256 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 115 transitions. [2023-11-21 18:26:47,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:26:47,257 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:47,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:47,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:48,091 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 1 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:26:51,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:51,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 57 states and 125 transitions. [2023-11-21 18:26:51,022 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 125 transitions. [2023-11-21 18:26:51,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:26:51,023 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:51,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:51,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:51,212 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:26:53,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:53,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 60 states and 131 transitions. [2023-11-21 18:26:53,500 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 131 transitions. [2023-11-21 18:26:53,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:26:53,501 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:53,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:53,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:54,639 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 1 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:26:58,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:58,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 63 states and 142 transitions. [2023-11-21 18:26:58,077 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 142 transitions. [2023-11-21 18:26:58,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:26:58,078 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:58,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:58,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:58,280 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:27:00,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:00,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 66 states and 148 transitions. [2023-11-21 18:27:00,857 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 148 transitions. [2023-11-21 18:27:00,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:27:00,858 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:00,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:00,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:02,217 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 1 proven. 71 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:27:06,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:06,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 69 states and 160 transitions. [2023-11-21 18:27:06,108 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 160 transitions. [2023-11-21 18:27:06,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:27:06,109 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:06,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:06,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:06,339 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:27:09,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:09,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 72 states and 166 transitions. [2023-11-21 18:27:09,310 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 166 transitions. [2023-11-21 18:27:09,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:27:09,310 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:09,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:09,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:11,084 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 1 proven. 93 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:27:15,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:15,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 75 states and 179 transitions. [2023-11-21 18:27:15,741 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 179 transitions. [2023-11-21 18:27:15,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-21 18:27:15,741 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:15,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:15,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:16,065 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:27:19,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:19,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 78 states and 185 transitions. [2023-11-21 18:27:19,485 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 185 transitions. [2023-11-21 18:27:19,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:27:19,485 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:19,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:19,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat