./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-programs/Problem101_label04.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_b58d89ca-e1ab-4010-aeaf-5ce4eb4767a2/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b58d89ca-e1ab-4010-aeaf-5ce4eb4767a2/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_b58d89ca-e1ab-4010-aeaf-5ce4eb4767a2/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b58d89ca-e1ab-4010-aeaf-5ce4eb4767a2/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-programs/Problem101_label04.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b58d89ca-e1ab-4010-aeaf-5ce4eb4767a2/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_b58d89ca-e1ab-4010-aeaf-5ce4eb4767a2/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 f13a6ce45a7c153f6afc4dd793237594f023a0bc0e58342f14c53b1c07670e16 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:08:19,014 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:08:19,081 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b58d89ca-e1ab-4010-aeaf-5ce4eb4767a2/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 04:08:19,086 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 04:08:19,086 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 04:08:19,109 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:08:19,110 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:08:19,110 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:08:19,111 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:08:19,112 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:08:19,112 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:08:19,113 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:08:19,113 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 04:08:19,114 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 04:08:19,114 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 04:08:19,115 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:08:19,115 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:08:19,116 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:08:19,116 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:08:19,117 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 04:08:19,117 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:08:19,118 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:08:19,119 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:08:19,119 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:08:19,120 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:08:19,120 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:08:19,120 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:08:19,121 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:08:19,121 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:08:19,122 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:08:19,122 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 04:08:19,123 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 04:08:19,123 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:08:19,123 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_b58d89ca-e1ab-4010-aeaf-5ce4eb4767a2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b58d89ca-e1ab-4010-aeaf-5ce4eb4767a2/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f13a6ce45a7c153f6afc4dd793237594f023a0bc0e58342f14c53b1c07670e16 [2023-12-03 04:08:19,326 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:08:19,347 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:08:19,350 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:08:19,351 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:08:19,351 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:08:19,352 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b58d89ca-e1ab-4010-aeaf-5ce4eb4767a2/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/eca-programs/Problem101_label04.c [2023-12-03 04:08:22,099 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:08:23,517 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:08:23,518 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b58d89ca-e1ab-4010-aeaf-5ce4eb4767a2/sv-benchmarks/c/eca-programs/Problem101_label04.c [2023-12-03 04:08:23,692 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b58d89ca-e1ab-4010-aeaf-5ce4eb4767a2/bin/ukojak-verify-Qdu7aM0XO9/data/76535507d/e902d66716734c66917d3102c9da0543/FLAGeed5f9583 [2023-12-03 04:08:23,711 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b58d89ca-e1ab-4010-aeaf-5ce4eb4767a2/bin/ukojak-verify-Qdu7aM0XO9/data/76535507d/e902d66716734c66917d3102c9da0543 [2023-12-03 04:08:23,712 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:08:23,714 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:08:23,715 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:08:23,715 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:08:23,719 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:08:23,719 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:08:23" (1/1) ... [2023-12-03 04:08:23,721 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cc63813 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:08:23, skipping insertion in model container [2023-12-03 04:08:23,721 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:08:23" (1/1) ... [2023-12-03 04:08:24,496 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:08:35,251 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_b58d89ca-e1ab-4010-aeaf-5ce4eb4767a2/sv-benchmarks/c/eca-programs/Problem101_label04.c[2768161,2768174] [2023-12-03 04:08:35,315 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:08:35,325 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:08:41,720 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_b58d89ca-e1ab-4010-aeaf-5ce4eb4767a2/sv-benchmarks/c/eca-programs/Problem101_label04.c[2768161,2768174] [2023-12-03 04:08:41,731 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:08:42,578 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:08:42,579 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:08:42 WrapperNode [2023-12-03 04:08:42,579 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:08:42,580 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:08:42,580 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:08:42,580 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:08:42,585 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:08:42" (1/1) ... [2023-12-03 04:08:43,113 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:08:42" (1/1) ... [2023-12-03 04:08:44,864 INFO L138 Inliner]: procedures = 59, calls = 53, calls flagged for inlining = 48, calls inlined = 48, statements flattened = 83781 [2023-12-03 04:08:44,864 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:08:44,865 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:08:44,865 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:08:44,865 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:08:44,875 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:08:42" (1/1) ... [2023-12-03 04:08:44,875 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:08:42" (1/1) ... [2023-12-03 04:08:45,156 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:08:42" (1/1) ... [2023-12-03 04:08:45,156 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:08:42" (1/1) ... [2023-12-03 04:08:46,034 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:08:42" (1/1) ... [2023-12-03 04:08:46,170 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:08:42" (1/1) ... [2023-12-03 04:08:46,395 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:08:42" (1/1) ... [2023-12-03 04:08:46,479 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:08:42" (1/1) ... [2023-12-03 04:08:46,780 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:08:46,781 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:08:46,781 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:08:46,782 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:08:46,782 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:08:42" (1/1) ... [2023-12-03 04:08:46,787 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:08:46,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b58d89ca-e1ab-4010-aeaf-5ce4eb4767a2/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:08:46,814 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b58d89ca-e1ab-4010-aeaf-5ce4eb4767a2/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:08:46,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b58d89ca-e1ab-4010-aeaf-5ce4eb4767a2/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:08:46,857 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:08:46,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 04:08:46,858 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:08:46,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:08:46,996 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:08:46,998 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:09:26,862 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:09:27,929 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:09:27,929 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 04:09:27,935 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:09:27 BoogieIcfgContainer [2023-12-03 04:09:27,936 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:09:27,937 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:09:27,937 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:09:27,947 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:09:27,947 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:09:27" (1/1) ... [2023-12-03 04:09:27,956 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 04:09:28,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:09:28,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20217 states to 10135 states and 20217 transitions. [2023-12-03 04:09:28,165 INFO L276 IsEmpty]: Start isEmpty. Operand 10135 states and 20217 transitions. [2023-12-03 04:09:28,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10086 [2023-12-03 04:09:28,805 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:09:28,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:09:31,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:10:02,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:10:44,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:10:44,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33690 states to 20218 states and 33690 transitions. [2023-12-03 04:10:44,799 INFO L276 IsEmpty]: Start isEmpty. Operand 20218 states and 33690 transitions. [2023-12-03 04:10:45,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10090 [2023-12-03 04:10:45,299 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:10:45,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:10:46,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:11:10,250 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:11:11,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:11:11,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33695 states to 20221 states and 33695 transitions. [2023-12-03 04:11:11,627 INFO L276 IsEmpty]: Start isEmpty. Operand 20221 states and 33695 transitions. [2023-12-03 04:11:12,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10091 [2023-12-03 04:11:12,215 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:11:12,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:11:13,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:11:37,858 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:11:39,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:11:39,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33702 states to 20225 states and 33702 transitions. [2023-12-03 04:11:39,139 INFO L276 IsEmpty]: Start isEmpty. Operand 20225 states and 33702 transitions. [2023-12-03 04:11:39,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10093 [2023-12-03 04:11:39,812 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:11:39,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:11:41,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:12:03,781 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:12:05,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:12:05,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33712 states to 20231 states and 33712 transitions. [2023-12-03 04:12:05,073 INFO L276 IsEmpty]: Start isEmpty. Operand 20231 states and 33712 transitions. [2023-12-03 04:12:05,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10094 [2023-12-03 04:12:05,539 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:12:05,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:12:06,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:12:29,950 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:12:30,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:12:30,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33716 states to 20234 states and 33716 transitions. [2023-12-03 04:12:30,682 INFO L276 IsEmpty]: Start isEmpty. Operand 20234 states and 33716 transitions. [2023-12-03 04:12:31,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10095 [2023-12-03 04:12:31,146 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:12:31,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:12:32,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:12:57,784 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:12:58,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:12:58,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33729 states to 20242 states and 33729 transitions. [2023-12-03 04:12:58,954 INFO L276 IsEmpty]: Start isEmpty. Operand 20242 states and 33729 transitions. [2023-12-03 04:12:59,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10097 [2023-12-03 04:12:59,732 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:12:59,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:13:01,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:13:27,086 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:13:28,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:13:28,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33745 states to 20252 states and 33745 transitions. [2023-12-03 04:13:28,441 INFO L276 IsEmpty]: Start isEmpty. Operand 20252 states and 33745 transitions. [2023-12-03 04:13:28,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10098 [2023-12-03 04:13:28,946 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:13:28,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:13:30,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:13:55,637 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:13:56,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:13:56,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33746 states to 20253 states and 33746 transitions. [2023-12-03 04:13:56,474 INFO L276 IsEmpty]: Start isEmpty. Operand 20253 states and 33746 transitions. [2023-12-03 04:13:57,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10099 [2023-12-03 04:13:57,026 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:13:57,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:13:58,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:14:20,237 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:14:21,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:14:21,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33765 states to 20265 states and 33765 transitions. [2023-12-03 04:14:21,715 INFO L276 IsEmpty]: Start isEmpty. Operand 20265 states and 33765 transitions. [2023-12-03 04:14:22,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10100 [2023-12-03 04:14:22,418 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:14:22,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:14:23,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:14:50,873 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:14:52,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:14:52,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33786 states to 20278 states and 33786 transitions. [2023-12-03 04:14:52,609 INFO L276 IsEmpty]: Start isEmpty. Operand 20278 states and 33786 transitions. [2023-12-03 04:14:53,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10101 [2023-12-03 04:14:53,051 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:14:53,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:14:54,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:15:23,505 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:15:25,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:15:25,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33809 states to 20292 states and 33809 transitions. [2023-12-03 04:15:25,911 INFO L276 IsEmpty]: Start isEmpty. Operand 20292 states and 33809 transitions. [2023-12-03 04:15:26,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10102 [2023-12-03 04:15:26,473 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:15:26,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:15:27,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:15:49,836 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:15:51,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:15:51,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33828 states to 20304 states and 33828 transitions. [2023-12-03 04:15:51,496 INFO L276 IsEmpty]: Start isEmpty. Operand 20304 states and 33828 transitions. [2023-12-03 04:15:51,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10103 [2023-12-03 04:15:51,975 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:15:51,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:15:53,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:16:15,462 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:16:16,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:16:16,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33829 states to 20305 states and 33829 transitions. [2023-12-03 04:16:16,255 INFO L276 IsEmpty]: Start isEmpty. Operand 20305 states and 33829 transitions. [2023-12-03 04:16:16,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10105 [2023-12-03 04:16:16,730 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:16:16,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:16:17,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:16:40,271 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:16:42,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:16:42,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33857 states to 20323 states and 33857 transitions. [2023-12-03 04:16:42,240 INFO L276 IsEmpty]: Start isEmpty. Operand 20323 states and 33857 transitions. [2023-12-03 04:16:42,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10106 [2023-12-03 04:16:42,764 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:16:42,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:16:44,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:17:11,703 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:17:12,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:17:12,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33866 states to 20329 states and 33866 transitions. [2023-12-03 04:17:12,729 INFO L276 IsEmpty]: Start isEmpty. Operand 20329 states and 33866 transitions. [2023-12-03 04:17:13,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10107 [2023-12-03 04:17:13,251 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:17:13,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:17:14,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:17:47,838 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:17:49,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:17:49,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33885 states to 20342 states and 33885 transitions. [2023-12-03 04:17:49,979 INFO L276 IsEmpty]: Start isEmpty. Operand 20342 states and 33885 transitions. [2023-12-03 04:17:50,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10108 [2023-12-03 04:17:50,384 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:17:50,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:17:51,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:18:19,495 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:18:20,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:18:20,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33888 states to 20344 states and 33888 transitions. [2023-12-03 04:18:20,572 INFO L276 IsEmpty]: Start isEmpty. Operand 20344 states and 33888 transitions. [2023-12-03 04:18:21,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10109 [2023-12-03 04:18:21,146 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:18:21,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:18:22,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:18:50,008 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.