./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem07_label21.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ed6344-f9fc-4d39-a774-585162cf1fa2/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ed6344-f9fc-4d39-a774-585162cf1fa2/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ed6344-f9fc-4d39-a774-585162cf1fa2/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ed6344-f9fc-4d39-a774-585162cf1fa2/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem07_label21.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ed6344-f9fc-4d39-a774-585162cf1fa2/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ed6344-f9fc-4d39-a774-585162cf1fa2/bin/ukojak-verify-Qdu7aM0XO9 --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 7a2aa7a67e18683569752532645d29ecebaf740d4238c9b97cd05a1f486c0c5b --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:39:07,222 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:39:07,287 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ed6344-f9fc-4d39-a774-585162cf1fa2/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-02 21:39:07,293 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 21:39:07,293 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 21:39:07,318 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:39:07,319 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:39:07,319 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:39:07,320 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:39:07,320 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:39:07,321 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:39:07,322 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:39:07,322 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 21:39:07,323 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 21:39:07,323 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 21:39:07,323 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:39:07,324 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:39:07,324 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:39:07,325 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:39:07,325 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 21:39:07,326 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:39:07,329 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:39:07,330 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:39:07,330 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:39:07,330 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:39:07,331 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:39:07,331 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:39:07,332 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:39:07,332 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:39:07,332 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:39:07,333 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 21:39:07,333 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 21:39:07,334 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:39:07,334 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_42ed6344-f9fc-4d39-a774-585162cf1fa2/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ed6344-f9fc-4d39-a774-585162cf1fa2/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7a2aa7a67e18683569752532645d29ecebaf740d4238c9b97cd05a1f486c0c5b [2023-12-02 21:39:07,547 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:39:07,569 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:39:07,572 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:39:07,573 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:39:07,574 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:39:07,575 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ed6344-f9fc-4d39-a774-585162cf1fa2/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/eca-rers2012/Problem07_label21.c [2023-12-02 21:39:10,376 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:39:11,719 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:39:11,720 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ed6344-f9fc-4d39-a774-585162cf1fa2/sv-benchmarks/c/eca-rers2012/Problem07_label21.c [2023-12-02 21:39:11,892 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ed6344-f9fc-4d39-a774-585162cf1fa2/bin/ukojak-verify-Qdu7aM0XO9/data/adbc1b6c2/af627b1bcf1a4958841a240b254066a9/FLAG9414d88b6 [2023-12-02 21:39:11,906 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ed6344-f9fc-4d39-a774-585162cf1fa2/bin/ukojak-verify-Qdu7aM0XO9/data/adbc1b6c2/af627b1bcf1a4958841a240b254066a9 [2023-12-02 21:39:11,909 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:39:11,910 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:39:11,912 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:39:11,912 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:39:11,916 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:39:11,916 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:39:11" (1/1) ... [2023-12-02 21:39:11,917 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4562a24d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:39:11, skipping insertion in model container [2023-12-02 21:39:11,918 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:39:11" (1/1) ... [2023-12-02 21:39:12,709 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:39:23,240 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_42ed6344-f9fc-4d39-a774-585162cf1fa2/sv-benchmarks/c/eca-rers2012/Problem07_label21.c[2772223,2772236] [2023-12-02 21:39:23,304 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:39:23,312 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:39:29,739 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_42ed6344-f9fc-4d39-a774-585162cf1fa2/sv-benchmarks/c/eca-rers2012/Problem07_label21.c[2772223,2772236] [2023-12-02 21:39:29,746 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:39:30,681 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:39:30,682 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:39:30 WrapperNode [2023-12-02 21:39:30,682 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:39:30,683 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:39:30,683 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:39:30,683 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:39:30,688 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:39:30" (1/1) ... [2023-12-02 21:39:31,076 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:39:30" (1/1) ... [2023-12-02 21:39:33,177 INFO L138 Inliner]: procedures = 59, calls = 53, calls flagged for inlining = 48, calls inlined = 48, statements flattened = 83774 [2023-12-02 21:39:33,177 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:39:33,178 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:39:33,178 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:39:33,178 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:39:33,189 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:39:30" (1/1) ... [2023-12-02 21:39:33,190 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:39:30" (1/1) ... [2023-12-02 21:39:33,551 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:39:30" (1/1) ... [2023-12-02 21:39:33,551 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:39:30" (1/1) ... [2023-12-02 21:39:34,445 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:39:30" (1/1) ... [2023-12-02 21:39:34,597 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:39:30" (1/1) ... [2023-12-02 21:39:34,805 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:39:30" (1/1) ... [2023-12-02 21:39:34,905 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:39:30" (1/1) ... [2023-12-02 21:39:35,233 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:39:35,234 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:39:35,234 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:39:35,234 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:39:35,236 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:39:30" (1/1) ... [2023-12-02 21:39:35,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:39:35,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ed6344-f9fc-4d39-a774-585162cf1fa2/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:39:35,321 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ed6344-f9fc-4d39-a774-585162cf1fa2/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:39:35,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ed6344-f9fc-4d39-a774-585162cf1fa2/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:39:35,534 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:39:35,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 21:39:35,535 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:39:35,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:39:35,721 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:39:35,724 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:40:14,851 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:40:15,969 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:40:15,970 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 21:40:15,976 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:40:15 BoogieIcfgContainer [2023-12-02 21:40:15,976 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:40:15,978 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:40:15,978 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:40:15,988 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:40:15,988 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:40:15" (1/1) ... [2023-12-02 21:40:16,001 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:40:16,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:40:16,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20217 states to 10135 states and 20217 transitions. [2023-12-02 21:40:16,208 INFO L276 IsEmpty]: Start isEmpty. Operand 10135 states and 20217 transitions. [2023-12-02 21:40:16,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10086 [2023-12-02 21:40:16,825 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:40:16,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:40:19,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:54,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:41:34,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:41:34,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35394 states to 20218 states and 35394 transitions. [2023-12-02 21:41:34,799 INFO L276 IsEmpty]: Start isEmpty. Operand 20218 states and 35394 transitions. [2023-12-02 21:41:35,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10090 [2023-12-02 21:41:35,379 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:41:35,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:41:36,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:57,575 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:41:59,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:41:59,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35399 states to 20221 states and 35399 transitions. [2023-12-02 21:41:59,181 INFO L276 IsEmpty]: Start isEmpty. Operand 20221 states and 35399 transitions. [2023-12-02 21:41:59,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10091 [2023-12-02 21:41:59,836 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:41:59,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:42:01,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:20,101 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:42:21,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:42:21,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35406 states to 20225 states and 35406 transitions. [2023-12-02 21:42:21,121 INFO L276 IsEmpty]: Start isEmpty. Operand 20225 states and 35406 transitions. [2023-12-02 21:42:21,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10094 [2023-12-02 21:42:21,660 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:42:21,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:42:23,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:40,021 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:42:41,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:42:41,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35409 states to 20228 states and 35409 transitions. [2023-12-02 21:42:41,062 INFO L276 IsEmpty]: Start isEmpty. Operand 20228 states and 35409 transitions. [2023-12-02 21:42:41,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10097 [2023-12-02 21:42:41,879 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:42:41,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:42:43,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:43:02,762 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:43:03,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:43:03,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35423 states to 20238 states and 35423 transitions. [2023-12-02 21:43:03,922 INFO L276 IsEmpty]: Start isEmpty. Operand 20238 states and 35423 transitions. [2023-12-02 21:43:04,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10098 [2023-12-02 21:43:04,712 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:43:04,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:43:06,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:43:25,401 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:43:26,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:43:26,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35424 states to 20239 states and 35424 transitions. [2023-12-02 21:43:26,298 INFO L276 IsEmpty]: Start isEmpty. Operand 20239 states and 35424 transitions. [2023-12-02 21:43:27,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10099 [2023-12-02 21:43:27,169 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:43:27,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:43:28,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:43:45,481 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:43:46,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:43:46,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35441 states to 20251 states and 35441 transitions. [2023-12-02 21:43:46,930 INFO L276 IsEmpty]: Start isEmpty. Operand 20251 states and 35441 transitions. [2023-12-02 21:43:47,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10102 [2023-12-02 21:43:47,520 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:43:47,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:43:48,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:44:05,482 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:44:06,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:44:06,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35456 states to 20263 states and 35456 transitions. [2023-12-02 21:44:06,555 INFO L276 IsEmpty]: Start isEmpty. Operand 20263 states and 35456 transitions. [2023-12-02 21:44:07,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10103 [2023-12-02 21:44:07,066 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:44:07,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:44:08,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:44:25,942 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:44:26,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:44:26,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35457 states to 20264 states and 35457 transitions. [2023-12-02 21:44:26,935 INFO L276 IsEmpty]: Start isEmpty. Operand 20264 states and 35457 transitions. [2023-12-02 21:44:27,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10105 [2023-12-02 21:44:27,502 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:44:27,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:44:28,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:44:46,894 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:44:48,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:44:48,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35481 states to 20282 states and 35481 transitions. [2023-12-02 21:44:48,302 INFO L276 IsEmpty]: Start isEmpty. Operand 20282 states and 35481 transitions. [2023-12-02 21:44:48,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10107 [2023-12-02 21:44:48,874 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:44:48,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:44:50,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:45:17,981 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:45:19,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:45:19,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35497 states to 20295 states and 35497 transitions. [2023-12-02 21:45:19,638 INFO L276 IsEmpty]: Start isEmpty. Operand 20295 states and 35497 transitions. [2023-12-02 21:45:20,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10110 [2023-12-02 21:45:20,211 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:45:20,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:45:21,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:45:41,475 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:45:42,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:45:42,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35512 states to 20307 states and 35512 transitions. [2023-12-02 21:45:42,635 INFO L276 IsEmpty]: Start isEmpty. Operand 20307 states and 35512 transitions. [2023-12-02 21:45:43,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10112 [2023-12-02 21:45:43,216 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:45:43,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:45:44,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:46:06,643 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:46:08,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:46:08,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35543 states to 20332 states and 35543 transitions. [2023-12-02 21:46:08,307 INFO L276 IsEmpty]: Start isEmpty. Operand 20332 states and 35543 transitions.