./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem04_label31.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_35ed7da5-b902-4941-9fe1-5f8027a559c8/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35ed7da5-b902-4941-9fe1-5f8027a559c8/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35ed7da5-b902-4941-9fe1-5f8027a559c8/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35ed7da5-b902-4941-9fe1-5f8027a559c8/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem04_label31.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35ed7da5-b902-4941-9fe1-5f8027a559c8/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35ed7da5-b902-4941-9fe1-5f8027a559c8/bin/ukojak-verify-afCqCEvfdi --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 104c3e4d2d285318bd33a2c4ac426392865667356528f97af872a52afc2a0227 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:10:39,165 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:10:39,243 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35ed7da5-b902-4941-9fe1-5f8027a559c8/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:10:39,250 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:10:39,251 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:10:39,282 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:10:39,285 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:10:39,286 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:10:39,287 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:10:39,292 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:10:39,293 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:10:39,293 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:10:39,294 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:10:39,296 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:10:39,296 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:10:39,297 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:10:39,297 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:10:39,298 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:10:39,298 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:10:39,299 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:10:39,300 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:10:39,300 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:10:39,301 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:10:39,302 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:10:39,302 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:10:39,303 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:10:39,304 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:10:39,305 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:10:39,305 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:10:39,306 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:10:39,308 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:10:39,308 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:10:39,308 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:10:39,309 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_35ed7da5-b902-4941-9fe1-5f8027a559c8/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35ed7da5-b902-4941-9fe1-5f8027a559c8/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 104c3e4d2d285318bd33a2c4ac426392865667356528f97af872a52afc2a0227 [2023-11-24 22:10:39,675 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:10:39,717 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:10:39,720 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:10:39,722 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:10:39,723 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:10:39,725 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35ed7da5-b902-4941-9fe1-5f8027a559c8/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/eca-rers2012/Problem04_label31.c [2023-11-24 22:10:42,955 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:10:43,700 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:10:43,701 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35ed7da5-b902-4941-9fe1-5f8027a559c8/sv-benchmarks/c/eca-rers2012/Problem04_label31.c [2023-11-24 22:10:43,744 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35ed7da5-b902-4941-9fe1-5f8027a559c8/bin/ukojak-verify-afCqCEvfdi/data/486c31366/5e7d9e76ade443c2b8f7be5e51d910e8/FLAGd4baf7beb [2023-11-24 22:10:43,767 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35ed7da5-b902-4941-9fe1-5f8027a559c8/bin/ukojak-verify-afCqCEvfdi/data/486c31366/5e7d9e76ade443c2b8f7be5e51d910e8 [2023-11-24 22:10:43,774 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:10:43,778 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:10:43,782 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:10:43,782 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:10:43,788 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:10:43,792 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:10:43" (1/1) ... [2023-11-24 22:10:43,794 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7022d2ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:43, skipping insertion in model container [2023-11-24 22:10:43,795 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:10:43" (1/1) ... [2023-11-24 22:10:43,970 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:10:45,424 WARN L240 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_35ed7da5-b902-4941-9fe1-5f8027a559c8/sv-benchmarks/c/eca-rers2012/Problem04_label31.c[176641,176654] [2023-11-24 22:10:45,459 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:10:45,474 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:10:46,277 WARN L240 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_35ed7da5-b902-4941-9fe1-5f8027a559c8/sv-benchmarks/c/eca-rers2012/Problem04_label31.c[176641,176654] [2023-11-24 22:10:46,297 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:10:46,337 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:10:46,338 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:46 WrapperNode [2023-11-24 22:10:46,339 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:10:46,340 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:10:46,340 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:10:46,341 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:10:46,349 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:46" (1/1) ... [2023-11-24 22:10:46,425 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:46" (1/1) ... [2023-11-24 22:10:46,633 INFO L138 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 5573 [2023-11-24 22:10:46,634 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:10:46,635 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:10:46,635 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:10:46,635 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:10:46,646 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:46" (1/1) ... [2023-11-24 22:10:46,647 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:46" (1/1) ... [2023-11-24 22:10:46,667 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:46" (1/1) ... [2023-11-24 22:10:46,668 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:46" (1/1) ... [2023-11-24 22:10:46,869 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:46" (1/1) ... [2023-11-24 22:10:46,901 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:46" (1/1) ... [2023-11-24 22:10:46,959 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:46" (1/1) ... [2023-11-24 22:10:46,983 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:46" (1/1) ... [2023-11-24 22:10:47,018 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:10:47,022 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:10:47,022 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:10:47,022 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:10:47,023 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:46" (1/1) ... [2023-11-24 22:10:47,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:10:47,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35ed7da5-b902-4941-9fe1-5f8027a559c8/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:10:47,064 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35ed7da5-b902-4941-9fe1-5f8027a559c8/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:10:47,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35ed7da5-b902-4941-9fe1-5f8027a559c8/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:10:47,114 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:10:47,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:10:47,114 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:10:47,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:10:47,294 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:10:47,297 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:10:52,826 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:10:53,266 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:10:53,267 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 22:10:53,269 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:10:53 BoogieIcfgContainer [2023-11-24 22:10:53,269 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:10:53,270 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:10:53,271 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:10:53,282 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:10:53,283 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:10:53" (1/1) ... [2023-11-24 22:10:53,293 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:10:53,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:10:53,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1515 states to 763 states and 1515 transitions. [2023-11-24 22:10:53,381 INFO L276 IsEmpty]: Start isEmpty. Operand 763 states and 1515 transitions. [2023-11-24 22:10:53,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 756 [2023-11-24 22:10:53,425 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:10:53,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:10:54,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:10:55,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:11:01,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:01,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2310 states to 1516 states and 2310 transitions. [2023-11-24 22:11:01,318 INFO L276 IsEmpty]: Start isEmpty. Operand 1516 states and 2310 transitions. [2023-11-24 22:11:01,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 760 [2023-11-24 22:11:01,353 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:01,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:01,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:03,299 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:11:03,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:03,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2315 states to 1519 states and 2315 transitions. [2023-11-24 22:11:03,495 INFO L276 IsEmpty]: Start isEmpty. Operand 1519 states and 2315 transitions. [2023-11-24 22:11:03,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 766 [2023-11-24 22:11:03,505 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:03,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:03,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:04,485 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:11:04,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:04,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2327 states to 1528 states and 2327 transitions. [2023-11-24 22:11:04,752 INFO L276 IsEmpty]: Start isEmpty. Operand 1528 states and 2327 transitions. [2023-11-24 22:11:04,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 767 [2023-11-24 22:11:04,763 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:04,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:04,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:05,737 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:11:06,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:06,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2341 states to 1538 states and 2341 transitions. [2023-11-24 22:11:06,206 INFO L276 IsEmpty]: Start isEmpty. Operand 1538 states and 2341 transitions. [2023-11-24 22:11:06,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 769 [2023-11-24 22:11:06,218 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:06,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:06,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:07,725 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:11:08,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:08,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2352 states to 1547 states and 2352 transitions. [2023-11-24 22:11:08,161 INFO L276 IsEmpty]: Start isEmpty. Operand 1547 states and 2352 transitions. [2023-11-24 22:11:08,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 771 [2023-11-24 22:11:08,170 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:08,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:08,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:09,444 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-24 22:11:10,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:10,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2353 states to 1548 states and 2353 transitions. [2023-11-24 22:11:10,462 INFO L276 IsEmpty]: Start isEmpty. Operand 1548 states and 2353 transitions. [2023-11-24 22:11:10,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 782 [2023-11-24 22:11:10,471 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:10,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:10,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:11,108 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-24 22:11:12,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:12,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2391 states to 1573 states and 2391 transitions. [2023-11-24 22:11:12,741 INFO L276 IsEmpty]: Start isEmpty. Operand 1573 states and 2391 transitions. [2023-11-24 22:11:12,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 782 [2023-11-24 22:11:12,750 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:12,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:12,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:13,357 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-24 22:11:13,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:13,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2394 states to 1576 states and 2394 transitions. [2023-11-24 22:11:13,607 INFO L276 IsEmpty]: Start isEmpty. Operand 1576 states and 2394 transitions. [2023-11-24 22:11:13,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 782 [2023-11-24 22:11:13,616 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:13,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:13,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:14,241 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-24 22:11:14,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:14,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2401 states to 1582 states and 2401 transitions. [2023-11-24 22:11:14,583 INFO L276 IsEmpty]: Start isEmpty. Operand 1582 states and 2401 transitions. [2023-11-24 22:11:14,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 782 [2023-11-24 22:11:14,592 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:14,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:14,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:15,220 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-24 22:11:15,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:15,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2404 states to 1585 states and 2404 transitions. [2023-11-24 22:11:15,501 INFO L276 IsEmpty]: Start isEmpty. Operand 1585 states and 2404 transitions. [2023-11-24 22:11:15,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 808 [2023-11-24 22:11:15,512 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:15,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:15,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:16,048 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-24 22:11:16,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:16,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2430 states to 1611 states and 2430 transitions. [2023-11-24 22:11:16,376 INFO L276 IsEmpty]: Start isEmpty. Operand 1611 states and 2430 transitions. [2023-11-24 22:11:16,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 813 [2023-11-24 22:11:16,388 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:16,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:16,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:17,223 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-24 22:11:17,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:17,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2468 states to 1647 states and 2468 transitions. [2023-11-24 22:11:17,727 INFO L276 IsEmpty]: Start isEmpty. Operand 1647 states and 2468 transitions. [2023-11-24 22:11:17,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 814 [2023-11-24 22:11:17,740 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:17,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:17,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:18,362 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:11:19,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:19,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2516 states to 1692 states and 2516 transitions. [2023-11-24 22:11:19,258 INFO L276 IsEmpty]: Start isEmpty. Operand 1692 states and 2516 transitions. [2023-11-24 22:11:19,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 818 [2023-11-24 22:11:19,274 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:19,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:19,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:20,016 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:11:21,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:21,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2583 states to 1753 states and 2583 transitions. [2023-11-24 22:11:21,292 INFO L276 IsEmpty]: Start isEmpty. Operand 1753 states and 2583 transitions. [2023-11-24 22:11:21,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 823 [2023-11-24 22:11:21,303 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:21,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:21,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:21,845 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-24 22:11:22,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:22,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2585 states to 1755 states and 2585 transitions. [2023-11-24 22:11:22,088 INFO L276 IsEmpty]: Start isEmpty. Operand 1755 states and 2585 transitions. [2023-11-24 22:11:22,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 823 [2023-11-24 22:11:22,095 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:22,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:22,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:22,599 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-24 22:11:23,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:23,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2591 states to 1762 states and 2591 transitions. [2023-11-24 22:11:23,054 INFO L276 IsEmpty]: Start isEmpty. Operand 1762 states and 2591 transitions. [2023-11-24 22:11:23,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 825 [2023-11-24 22:11:23,061 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:23,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:23,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:24,963 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.