./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-restricted-15/GCD-1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff 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_5b6ccf29-98f2-4eb5-b6e2-ff95c6b3766b/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b6ccf29-98f2-4eb5-b6e2-ff95c6b3766b/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b6ccf29-98f2-4eb5-b6e2-ff95c6b3766b/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b6ccf29-98f2-4eb5-b6e2-ff95c6b3766b/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-restricted-15/GCD-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b6ccf29-98f2-4eb5-b6e2-ff95c6b3766b/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b6ccf29-98f2-4eb5-b6e2-ff95c6b3766b/bin/ukojak-verify-G8NBE6pJGL --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 5f52b905489768d11946f99b46b2e235c97efbb56a51bc32b8b274637f7dd5d8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:56:43,944 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:56:44,062 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b6ccf29-98f2-4eb5-b6e2-ff95c6b3766b/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-19 03:56:44,066 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:56:44,067 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:56:44,109 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:56:44,109 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:56:44,110 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:56:44,111 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:56:44,116 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:56:44,117 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:56:44,117 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:56:44,118 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:56:44,119 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:56:44,120 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:56:44,120 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:56:44,120 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:56:44,121 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:56:44,121 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:56:44,121 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:56:44,122 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:56:44,122 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:56:44,123 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:56:44,123 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:56:44,124 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:56:44,125 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:56:44,125 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:56:44,125 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:56:44,126 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:56:44,126 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:56:44,127 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:56:44,128 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:56:44,128 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_5b6ccf29-98f2-4eb5-b6e2-ff95c6b3766b/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b6ccf29-98f2-4eb5-b6e2-ff95c6b3766b/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5f52b905489768d11946f99b46b2e235c97efbb56a51bc32b8b274637f7dd5d8 [2023-11-19 03:56:44,466 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:56:44,505 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:56:44,508 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:56:44,510 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:56:44,510 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:56:44,512 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b6ccf29-98f2-4eb5-b6e2-ff95c6b3766b/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/termination-restricted-15/GCD-1.c [2023-11-19 03:56:47,690 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:56:47,941 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:56:47,942 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b6ccf29-98f2-4eb5-b6e2-ff95c6b3766b/sv-benchmarks/c/termination-restricted-15/GCD-1.c [2023-11-19 03:56:47,952 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b6ccf29-98f2-4eb5-b6e2-ff95c6b3766b/bin/ukojak-verify-G8NBE6pJGL/data/dc58c3280/f57f5122abb54ba2994eeac5883aff01/FLAGc7babfafd [2023-11-19 03:56:47,969 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b6ccf29-98f2-4eb5-b6e2-ff95c6b3766b/bin/ukojak-verify-G8NBE6pJGL/data/dc58c3280/f57f5122abb54ba2994eeac5883aff01 [2023-11-19 03:56:47,975 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:56:47,977 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:56:47,981 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:56:47,981 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:56:47,986 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:56:47,987 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:56:47" (1/1) ... [2023-11-19 03:56:47,988 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f783d94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:47, skipping insertion in model container [2023-11-19 03:56:47,989 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:56:47" (1/1) ... [2023-11-19 03:56:48,011 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:56:48,207 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:56:48,214 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:56:48,228 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:56:48,243 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:56:48,244 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:48 WrapperNode [2023-11-19 03:56:48,244 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:56:48,245 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:56:48,246 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:56:48,246 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:56:48,254 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:48" (1/1) ... [2023-11-19 03:56:48,258 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:48" (1/1) ... [2023-11-19 03:56:48,277 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 35 [2023-11-19 03:56:48,278 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:56:48,278 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:56:48,279 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:56:48,279 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:56:48,288 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:48" (1/1) ... [2023-11-19 03:56:48,289 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:48" (1/1) ... [2023-11-19 03:56:48,290 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:48" (1/1) ... [2023-11-19 03:56:48,290 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:48" (1/1) ... [2023-11-19 03:56:48,292 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:48" (1/1) ... [2023-11-19 03:56:48,299 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:48" (1/1) ... [2023-11-19 03:56:48,305 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:48" (1/1) ... [2023-11-19 03:56:48,306 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:48" (1/1) ... [2023-11-19 03:56:48,313 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:56:48,314 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:56:48,315 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:56:48,315 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:56:48,316 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:48" (1/1) ... [2023-11-19 03:56:48,322 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:56:48,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b6ccf29-98f2-4eb5-b6e2-ff95c6b3766b/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:56:48,349 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b6ccf29-98f2-4eb5-b6e2-ff95c6b3766b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:56:48,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b6ccf29-98f2-4eb5-b6e2-ff95c6b3766b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:56:48,392 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:56:48,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:56:48,482 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:56:48,484 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:56:48,618 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:56:48,649 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:56:48,656 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 03:56:48,662 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:56:48 BoogieIcfgContainer [2023-11-19 03:56:48,662 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:56:48,663 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:56:48,664 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:56:48,675 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:56:48,675 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:56:48" (1/1) ... [2023-11-19 03:56:48,685 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:56:48,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:56:48,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 11 states and 14 transitions. [2023-11-19 03:56:48,756 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 14 transitions. [2023-11-19 03:56:48,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:56:48,759 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:56:48,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:56:48,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:56:48,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:56:48,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:56:48,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2023-11-19 03:56:48,986 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2023-11-19 03:56:48,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:56:48,986 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:56:48,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:56:49,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:56:49,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:56:49,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:56:49,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 16 states and 26 transitions. [2023-11-19 03:56:49,263 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 26 transitions. [2023-11-19 03:56:49,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:56:49,264 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:56:49,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:56:49,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:56:49,431 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:56:49,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:56:49,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 19 states and 31 transitions. [2023-11-19 03:56:49,882 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 31 transitions. [2023-11-19 03:56:49,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:56:49,882 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:56:49,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:56:49,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:56:50,076 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:56:50,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:56:50,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 22 states and 40 transitions. [2023-11-19 03:56:50,368 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 40 transitions. [2023-11-19 03:56:50,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:56:50,371 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:56:50,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:56:50,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:56:50,586 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:56:51,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:56:51,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 26 states and 55 transitions. [2023-11-19 03:56:51,539 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 55 transitions. [2023-11-19 03:56:51,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:56:51,539 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:56:51,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:56:51,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:56:51,601 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:56:52,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:56:52,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 28 states and 62 transitions. [2023-11-19 03:56:52,032 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 62 transitions. [2023-11-19 03:56:52,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:56:52,035 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:56:52,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:56:52,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:56:52,295 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:56:53,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:56:53,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 31 states and 70 transitions. [2023-11-19 03:56:53,417 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 70 transitions. [2023-11-19 03:56:53,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:56:53,419 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:56:53,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:56:53,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:56:53,505 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:56:53,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:56:53,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 32 states and 73 transitions. [2023-11-19 03:56:53,635 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 73 transitions. [2023-11-19 03:56:53,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:56:53,636 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:56:53,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:56:53,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:56:53,912 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:56:54,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:56:54,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 33 states and 77 transitions. [2023-11-19 03:56:54,601 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 77 transitions. [2023-11-19 03:56:54,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:56:54,602 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:56:54,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:56:54,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:56:54,733 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:56:55,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:56:55,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 35 states and 86 transitions. [2023-11-19 03:56:55,627 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 86 transitions. [2023-11-19 03:56:55,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:56:55,628 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:56:55,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:56:55,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:56:55,909 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:56:57,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:56:57,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 39 states and 100 transitions. [2023-11-19 03:56:57,840 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 100 transitions. [2023-11-19 03:56:57,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:56:57,841 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:56:57,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:56:57,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:56:58,190 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:56:59,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:56:59,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 42 states and 112 transitions. [2023-11-19 03:56:59,907 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 112 transitions. [2023-11-19 03:56:59,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:56:59,909 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:56:59,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:56:59,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:00,412 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:57:02,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:02,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 45 states and 124 transitions. [2023-11-19 03:57:02,898 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 124 transitions. [2023-11-19 03:57:02,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:57:02,899 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:02,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:02,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:02,946 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:57:03,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:03,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 47 states and 125 transitions. [2023-11-19 03:57:03,816 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 125 transitions. [2023-11-19 03:57:03,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:57:03,817 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:03,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:03,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:04,432 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:57:06,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:06,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 50 states and 134 transitions. [2023-11-19 03:57:06,775 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 134 transitions. [2023-11-19 03:57:06,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:57:06,776 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:06,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:06,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:06,827 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 13 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-19 03:57:07,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:07,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 52 states and 135 transitions. [2023-11-19 03:57:07,581 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 135 transitions. [2023-11-19 03:57:07,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:57:07,585 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:07,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:07,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:08,429 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:57:11,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:11,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 55 states and 146 transitions. [2023-11-19 03:57:11,968 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 146 transitions. [2023-11-19 03:57:11,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:57:11,969 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:11,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:11,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:12,797 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:57:15,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:15,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 58 states and 155 transitions. [2023-11-19 03:57:15,866 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 155 transitions. [2023-11-19 03:57:15,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:57:15,867 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:15,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:15,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:17,055 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 1 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:57:21,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:21,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 61 states and 167 transitions. [2023-11-19 03:57:21,248 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 167 transitions. [2023-11-19 03:57:21,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 03:57:21,276 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:21,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:21,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:22,309 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:57:26,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:26,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 64 states and 176 transitions. [2023-11-19 03:57:26,098 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 176 transitions. [2023-11-19 03:57:26,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 03:57:26,100 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:26,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:26,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:27,634 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 1 proven. 53 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:57:33,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:33,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 67 states and 189 transitions. [2023-11-19 03:57:33,036 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 189 transitions. [2023-11-19 03:57:33,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 03:57:33,037 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:33,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:33,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:34,476 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:57:39,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:39,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 70 states and 198 transitions. [2023-11-19 03:57:39,162 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 198 transitions. [2023-11-19 03:57:39,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 03:57:39,162 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:39,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:39,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:40,958 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 1 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.