./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/gcd_2+newton_2_1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d3be864-c8f9-41f9-acf8-74e1b2dd3fb4/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d3be864-c8f9-41f9-acf8-74e1b2dd3fb4/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d3be864-c8f9-41f9-acf8-74e1b2dd3fb4/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d3be864-c8f9-41f9-acf8-74e1b2dd3fb4/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_2+newton_2_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d3be864-c8f9-41f9-acf8-74e1b2dd3fb4/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d3be864-c8f9-41f9-acf8-74e1b2dd3fb4/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2f8505e46ba1dfd9d1ec3a293aaba2f619b40b1a80d91e8d871194a57c70c939 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:46:08,313 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:46:08,363 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d3be864-c8f9-41f9-acf8-74e1b2dd3fb4/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-05 22:46:08,368 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 22:46:08,368 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 22:46:08,385 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:46:08,386 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:46:08,386 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:46:08,387 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:46:08,387 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:46:08,387 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:46:08,387 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:46:08,387 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 22:46:08,387 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 22:46:08,387 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 22:46:08,387 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:46:08,387 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:46:08,387 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:46:08,388 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:46:08,388 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 22:46:08,388 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:46:08,388 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:46:08,388 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:46:08,388 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:46:08,388 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:46:08,388 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:46:08,388 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:46:08,388 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:46:08,388 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:46:08,389 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:46:08,389 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:46:08,389 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 22:46:08,389 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 22:46:08,389 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_1d3be864-c8f9-41f9-acf8-74e1b2dd3fb4/bin/ukojak-verify-CZk0znPC7b 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 ! call(reach_error())) ) 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 -> 2f8505e46ba1dfd9d1ec3a293aaba2f619b40b1a80d91e8d871194a57c70c939 [2024-12-05 22:46:08,618 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:46:08,625 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:46:08,627 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:46:08,628 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:46:08,628 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:46:08,629 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d3be864-c8f9-41f9-acf8-74e1b2dd3fb4/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/combinations/gcd_2+newton_2_1.i [2024-12-05 22:46:11,407 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d3be864-c8f9-41f9-acf8-74e1b2dd3fb4/bin/ukojak-verify-CZk0znPC7b/data/01d6a40e9/442657980e7845e9ae03858a25a7acf9/FLAGdff14a07e [2024-12-05 22:46:11,593 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:46:11,593 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d3be864-c8f9-41f9-acf8-74e1b2dd3fb4/sv-benchmarks/c/combinations/gcd_2+newton_2_1.i [2024-12-05 22:46:11,601 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d3be864-c8f9-41f9-acf8-74e1b2dd3fb4/bin/ukojak-verify-CZk0znPC7b/data/01d6a40e9/442657980e7845e9ae03858a25a7acf9/FLAGdff14a07e [2024-12-05 22:46:11,968 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d3be864-c8f9-41f9-acf8-74e1b2dd3fb4/bin/ukojak-verify-CZk0znPC7b/data/01d6a40e9/442657980e7845e9ae03858a25a7acf9 [2024-12-05 22:46:11,970 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:46:11,971 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:46:11,972 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:46:11,972 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:46:11,976 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:46:11,977 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:46:11" (1/1) ... [2024-12-05 22:46:11,977 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d29c91b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:46:11, skipping insertion in model container [2024-12-05 22:46:11,977 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:46:11" (1/1) ... [2024-12-05 22:46:11,990 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:46:12,092 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d3be864-c8f9-41f9-acf8-74e1b2dd3fb4/sv-benchmarks/c/combinations/gcd_2+newton_2_1.i[1226,1239] [2024-12-05 22:46:12,123 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d3be864-c8f9-41f9-acf8-74e1b2dd3fb4/sv-benchmarks/c/combinations/gcd_2+newton_2_1.i[2841,2854] [2024-12-05 22:46:12,124 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:46:12,134 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:46:12,145 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d3be864-c8f9-41f9-acf8-74e1b2dd3fb4/sv-benchmarks/c/combinations/gcd_2+newton_2_1.i[1226,1239] [2024-12-05 22:46:12,155 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d3be864-c8f9-41f9-acf8-74e1b2dd3fb4/sv-benchmarks/c/combinations/gcd_2+newton_2_1.i[2841,2854] [2024-12-05 22:46:12,156 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:46:12,170 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:46:12,170 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:46:12 WrapperNode [2024-12-05 22:46:12,170 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:46:12,171 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:46:12,171 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:46:12,171 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:46:12,177 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:46:12" (1/1) ... [2024-12-05 22:46:12,184 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:46:12" (1/1) ... [2024-12-05 22:46:12,202 INFO L138 Inliner]: procedures = 27, calls = 24, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 85 [2024-12-05 22:46:12,203 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:46:12,203 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:46:12,203 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:46:12,204 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:46:12,211 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:46:12" (1/1) ... [2024-12-05 22:46:12,211 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:46:12" (1/1) ... [2024-12-05 22:46:12,213 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:46:12" (1/1) ... [2024-12-05 22:46:12,213 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:46:12" (1/1) ... [2024-12-05 22:46:12,218 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:46:12" (1/1) ... [2024-12-05 22:46:12,219 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:46:12" (1/1) ... [2024-12-05 22:46:12,222 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:46:12" (1/1) ... [2024-12-05 22:46:12,223 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:46:12" (1/1) ... [2024-12-05 22:46:12,223 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:46:12" (1/1) ... [2024-12-05 22:46:12,225 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:46:12,226 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:46:12,226 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:46:12,227 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:46:12,227 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:46:12" (1/1) ... [2024-12-05 22:46:12,233 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:46:12,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d3be864-c8f9-41f9-acf8-74e1b2dd3fb4/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:46:12,257 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d3be864-c8f9-41f9-acf8-74e1b2dd3fb4/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:46:12,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d3be864-c8f9-41f9-acf8-74e1b2dd3fb4/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:46:12,285 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:46:12,285 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-12-05 22:46:12,285 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-12-05 22:46:12,285 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-12-05 22:46:12,285 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-12-05 22:46:12,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 22:46:12,285 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:46:12,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:46:12,337 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:46:12,339 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:46:12,481 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-12-05 22:46:12,481 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:46:12,537 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:46:12,537 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 22:46:12,538 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:46:12 BoogieIcfgContainer [2024-12-05 22:46:12,538 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:46:12,538 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:46:12,539 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:46:12,548 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:46:12,548 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:46:12" (1/1) ... [2024-12-05 22:46:12,556 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:46:12,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:46:12,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 25 states and 31 transitions. [2024-12-05 22:46:12,605 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 31 transitions. [2024-12-05 22:46:12,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-05 22:46:12,609 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:46:12,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:46:12,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:46:12,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:46:12,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:46:12,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 27 states and 34 transitions. [2024-12-05 22:46:12,957 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 34 transitions. [2024-12-05 22:46:12,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 22:46:12,958 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:46:12,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:46:12,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:46:13,228 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:46:13,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:46:13,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 30 states and 39 transitions. [2024-12-05 22:46:13,638 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 39 transitions. [2024-12-05 22:46:13,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 22:46:13,639 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:46:13,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:46:13,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:46:14,179 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:46:14,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:46:14,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 31 states and 43 transitions. [2024-12-05 22:46:14,863 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2024-12-05 22:46:14,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-05 22:46:14,863 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:46:14,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:46:14,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:46:15,833 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:46:16,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:46:16,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 32 states and 45 transitions. [2024-12-05 22:46:16,600 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 45 transitions. [2024-12-05 22:46:16,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-05 22:46:16,601 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:46:16,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:46:16,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:46:17,807 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:46:19,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:46:19,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 34 states and 56 transitions. [2024-12-05 22:46:19,501 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 56 transitions. [2024-12-05 22:46:19,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-05 22:46:19,501 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:46:19,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:46:19,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat