./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-lit/bh2017-ex-add.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151c939-5b6d-4f72-8580-7ee6b88eeee4/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151c939-5b6d-4f72-8580-7ee6b88eeee4/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151c939-5b6d-4f72-8580-7ee6b88eeee4/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151c939-5b6d-4f72-8580-7ee6b88eeee4/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-lit/bh2017-ex-add.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151c939-5b6d-4f72-8580-7ee6b88eeee4/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151c939-5b6d-4f72-8580-7ee6b88eeee4/bin/ukojak-verify-G8NBE6pJGL --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 9067bcd66b4865bfb6aa4fb5c23797c879c2b81c36d918479d6650dc5a4b5edc --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:33:43,921 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:33:44,006 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151c939-5b6d-4f72-8580-7ee6b88eeee4/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 02:33:44,012 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:33:44,013 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:33:44,056 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:33:44,057 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:33:44,057 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:33:44,058 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:33:44,059 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:33:44,063 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:33:44,064 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:33:44,065 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:33:44,069 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:33:44,070 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:33:44,070 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:33:44,076 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:33:44,077 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:33:44,077 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:33:44,077 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:33:44,078 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:33:44,078 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:33:44,079 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:33:44,079 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:33:44,080 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:33:44,080 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:33:44,081 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:33:44,081 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:33:44,082 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:33:44,082 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:33:44,082 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:33:44,083 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:33:44,083 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:33:44,083 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_7151c939-5b6d-4f72-8580-7ee6b88eeee4/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151c939-5b6d-4f72-8580-7ee6b88eeee4/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9067bcd66b4865bfb6aa4fb5c23797c879c2b81c36d918479d6650dc5a4b5edc [2023-11-19 02:33:44,397 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:33:44,428 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:33:44,430 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:33:44,432 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:33:44,432 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:33:44,434 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151c939-5b6d-4f72-8580-7ee6b88eeee4/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/loop-lit/bh2017-ex-add.i [2023-11-19 02:33:47,538 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:33:47,763 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:33:47,764 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151c939-5b6d-4f72-8580-7ee6b88eeee4/sv-benchmarks/c/loop-lit/bh2017-ex-add.i [2023-11-19 02:33:47,772 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151c939-5b6d-4f72-8580-7ee6b88eeee4/bin/ukojak-verify-G8NBE6pJGL/data/0d371a9a3/84835b67ad8a4a98887887d78c4dfe07/FLAGc4522d52c [2023-11-19 02:33:47,786 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151c939-5b6d-4f72-8580-7ee6b88eeee4/bin/ukojak-verify-G8NBE6pJGL/data/0d371a9a3/84835b67ad8a4a98887887d78c4dfe07 [2023-11-19 02:33:47,803 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:33:47,804 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:33:47,806 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:33:47,806 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:33:47,811 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:33:47,812 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:33:47" (1/1) ... [2023-11-19 02:33:47,813 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f4aeeb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:33:47, skipping insertion in model container [2023-11-19 02:33:47,813 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:33:47" (1/1) ... [2023-11-19 02:33:47,834 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:33:47,985 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_7151c939-5b6d-4f72-8580-7ee6b88eeee4/sv-benchmarks/c/loop-lit/bh2017-ex-add.i[802,815] [2023-11-19 02:33:48,003 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:33:48,013 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:33:48,026 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_7151c939-5b6d-4f72-8580-7ee6b88eeee4/sv-benchmarks/c/loop-lit/bh2017-ex-add.i[802,815] [2023-11-19 02:33:48,030 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:33:48,045 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:33:48,045 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:33:48 WrapperNode [2023-11-19 02:33:48,045 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:33:48,047 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:33:48,047 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:33:48,047 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:33:48,054 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:33:48" (1/1) ... [2023-11-19 02:33:48,060 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:33:48" (1/1) ... [2023-11-19 02:33:48,075 INFO L138 Inliner]: procedures = 15, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 46 [2023-11-19 02:33:48,075 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:33:48,076 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:33:48,076 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:33:48,076 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:33:48,083 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:33:48" (1/1) ... [2023-11-19 02:33:48,083 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:33:48" (1/1) ... [2023-11-19 02:33:48,084 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:33:48" (1/1) ... [2023-11-19 02:33:48,085 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:33:48" (1/1) ... [2023-11-19 02:33:48,088 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:33:48" (1/1) ... [2023-11-19 02:33:48,091 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:33:48" (1/1) ... [2023-11-19 02:33:48,092 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:33:48" (1/1) ... [2023-11-19 02:33:48,093 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:33:48" (1/1) ... [2023-11-19 02:33:48,095 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:33:48,096 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:33:48,096 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:33:48,096 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:33:48,097 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:33:48" (1/1) ... [2023-11-19 02:33:48,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:33:48,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151c939-5b6d-4f72-8580-7ee6b88eeee4/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:33:48,127 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151c939-5b6d-4f72-8580-7ee6b88eeee4/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:33:48,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151c939-5b6d-4f72-8580-7ee6b88eeee4/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:33:48,172 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:33:48,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:33:48,172 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:33:48,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:33:48,173 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 02:33:48,173 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 02:33:48,232 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:33:48,234 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:33:48,449 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:33:48,491 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:33:48,497 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 02:33:48,507 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:33:48 BoogieIcfgContainer [2023-11-19 02:33:48,507 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:33:48,508 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:33:48,508 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:33:48,517 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:33:48,518 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:33:48" (1/1) ... [2023-11-19 02:33:48,525 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:33:48,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:48,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 23 states and 33 transitions. [2023-11-19 02:33:48,582 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 33 transitions. [2023-11-19 02:33:48,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 02:33:48,584 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:48,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:48,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:48,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:33:48,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:48,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 26 states and 41 transitions. [2023-11-19 02:33:48,940 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 41 transitions. [2023-11-19 02:33:48,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 02:33:48,944 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:48,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:48,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:49,089 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:33:49,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:49,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 29 states and 46 transitions. [2023-11-19 02:33:49,270 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 46 transitions. [2023-11-19 02:33:49,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 02:33:49,272 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:49,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:49,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:49,349 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 02:33:49,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:49,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 36 states and 61 transitions. [2023-11-19 02:33:49,521 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 61 transitions. [2023-11-19 02:33:49,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 02:33:49,522 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:49,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:49,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:49,624 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 02:33:49,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:49,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 38 states and 65 transitions. [2023-11-19 02:33:49,801 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 65 transitions. [2023-11-19 02:33:49,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 02:33:49,805 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:49,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:49,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:49,955 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 02:33:49,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:49,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 39 states and 66 transitions. [2023-11-19 02:33:49,999 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 66 transitions. [2023-11-19 02:33:50,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 02:33:50,001 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:50,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:50,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:50,099 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 02:33:50,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:50,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 48 states and 92 transitions. [2023-11-19 02:33:50,456 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 92 transitions. [2023-11-19 02:33:50,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 02:33:50,465 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:50,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:50,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:50,520 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 02:33:50,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:50,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 49 states and 93 transitions. [2023-11-19 02:33:50,539 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 93 transitions. [2023-11-19 02:33:50,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 02:33:50,541 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:50,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:50,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:50,595 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 02:33:50,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:50,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 50 states and 93 transitions. [2023-11-19 02:33:50,658 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 93 transitions. [2023-11-19 02:33:50,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 02:33:50,659 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:50,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:50,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:50,691 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 02:33:50,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:50,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 51 states and 93 transitions. [2023-11-19 02:33:50,712 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 93 transitions. [2023-11-19 02:33:50,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 02:33:50,713 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:50,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:50,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:50,749 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2023-11-19 02:33:50,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:50,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 53 states and 96 transitions. [2023-11-19 02:33:50,841 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 96 transitions. [2023-11-19 02:33:50,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 02:33:50,842 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:50,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:50,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:50,883 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2023-11-19 02:33:50,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:50,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 54 states and 97 transitions. [2023-11-19 02:33:50,917 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 97 transitions. [2023-11-19 02:33:50,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 02:33:50,922 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:50,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:50,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:51,017 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 8 proven. 7 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 02:33:51,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:51,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 63 states and 121 transitions. [2023-11-19 02:33:51,461 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 121 transitions. [2023-11-19 02:33:51,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 02:33:51,462 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:51,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:51,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:51,535 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2023-11-19 02:33:51,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:51,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 64 states and 121 transitions. [2023-11-19 02:33:51,573 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 121 transitions. [2023-11-19 02:33:51,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 02:33:51,574 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:51,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:51,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:51,611 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 8 proven. 7 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 02:33:51,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:51,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 65 states and 122 transitions. [2023-11-19 02:33:51,636 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 122 transitions. [2023-11-19 02:33:51,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 02:33:51,637 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:51,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:51,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:51,703 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 02:33:52,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:52,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 74 states and 154 transitions. [2023-11-19 02:33:52,119 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 154 transitions. [2023-11-19 02:33:52,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 02:33:52,120 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:52,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:52,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:52,151 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-11-19 02:33:52,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:52,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 79 states and 162 transitions. [2023-11-19 02:33:52,388 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 162 transitions. [2023-11-19 02:33:52,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 02:33:52,389 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:52,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:52,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:52,426 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 8 proven. 7 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 02:33:52,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:52,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 80 states and 162 transitions. [2023-11-19 02:33:52,456 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 162 transitions. [2023-11-19 02:33:52,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 02:33:52,458 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:52,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:52,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:52,524 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 02:33:52,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:52,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 81 states and 163 transitions. [2023-11-19 02:33:52,554 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 163 transitions. [2023-11-19 02:33:52,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 02:33:52,556 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:52,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:52,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:52,601 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-11-19 02:33:52,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:52,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 82 states and 164 transitions. [2023-11-19 02:33:52,623 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 164 transitions. [2023-11-19 02:33:52,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 02:33:52,624 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:52,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:52,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:52,681 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 11 proven. 10 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 02:33:52,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:52,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 83 states and 164 transitions. [2023-11-19 02:33:52,774 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 164 transitions. [2023-11-19 02:33:52,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 02:33:52,775 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:52,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:52,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:52,819 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 02:33:53,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:53,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 88 states and 172 transitions. [2023-11-19 02:33:53,070 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 172 transitions. [2023-11-19 02:33:53,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 02:33:53,071 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:53,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:53,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:53,103 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 02:33:53,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:53,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 89 states and 172 transitions. [2023-11-19 02:33:53,135 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 172 transitions. [2023-11-19 02:33:53,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 02:33:53,136 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:53,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:53,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:53,171 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-11-19 02:33:53,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:53,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 90 states and 172 transitions. [2023-11-19 02:33:53,215 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 172 transitions. [2023-11-19 02:33:53,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 02:33:53,216 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:53,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:53,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:53,259 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 8 proven. 10 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 02:33:53,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:53,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 91 states and 173 transitions. [2023-11-19 02:33:53,287 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 173 transitions. [2023-11-19 02:33:53,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 02:33:53,288 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:53,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:53,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:53,328 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 8 proven. 11 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 02:33:53,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:53,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 92 states and 173 transitions. [2023-11-19 02:33:53,359 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 173 transitions. [2023-11-19 02:33:53,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-19 02:33:53,361 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:53,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:53,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:53,393 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2023-11-19 02:33:53,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:53,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 94 states and 176 transitions. [2023-11-19 02:33:53,517 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 176 transitions. [2023-11-19 02:33:53,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-19 02:33:53,518 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:53,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:53,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:53,552 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-11-19 02:33:53,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:53,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 95 states and 177 transitions. [2023-11-19 02:33:53,587 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 177 transitions. [2023-11-19 02:33:53,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-19 02:33:53,588 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:53,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:53,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:53,694 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2023-11-19 02:33:53,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:53,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 90 states and 165 transitions. [2023-11-19 02:33:53,896 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 165 transitions. [2023-11-19 02:33:53,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 02:33:53,896 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:53,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:53,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:53,941 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 12 proven. 16 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2023-11-19 02:33:54,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:54,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 95 states and 173 transitions. [2023-11-19 02:33:54,202 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 173 transitions. [2023-11-19 02:33:54,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 02:33:54,202 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:54,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:54,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:54,326 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2023-11-19 02:33:54,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:54,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 100 states and 186 transitions. [2023-11-19 02:33:54,606 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 186 transitions. [2023-11-19 02:33:54,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 02:33:54,607 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:54,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:54,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:54,697 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2023-11-19 02:33:54,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:54,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 100 states and 185 transitions. [2023-11-19 02:33:54,782 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 185 transitions. [2023-11-19 02:33:54,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 02:33:54,783 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:54,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:54,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:54,877 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2023-11-19 02:33:54,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:54,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 100 states and 184 transitions. [2023-11-19 02:33:54,974 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 184 transitions. [2023-11-19 02:33:54,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-19 02:33:54,976 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:54,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:54,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:55,021 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 12 proven. 17 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2023-11-19 02:33:55,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:55,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 101 states and 185 transitions. [2023-11-19 02:33:55,053 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 185 transitions. [2023-11-19 02:33:55,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-19 02:33:55,054 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:55,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:55,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:55,147 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2023-11-19 02:33:55,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:55,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 101 states and 184 transitions. [2023-11-19 02:33:55,172 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 184 transitions. [2023-11-19 02:33:55,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-19 02:33:55,173 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:55,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:55,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:55,239 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 17 proven. 16 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-11-19 02:33:55,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:55,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 101 states and 183 transitions. [2023-11-19 02:33:55,336 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 183 transitions. [2023-11-19 02:33:55,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-19 02:33:55,339 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:55,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:55,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:55,435 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2023-11-19 02:33:55,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:55,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 101 states and 182 transitions. [2023-11-19 02:33:55,462 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 182 transitions. [2023-11-19 02:33:55,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-19 02:33:55,464 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:55,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:55,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:55,552 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2023-11-19 02:33:55,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:55,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 101 states and 181 transitions. [2023-11-19 02:33:55,578 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 181 transitions. [2023-11-19 02:33:55,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-19 02:33:55,580 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:55,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:55,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:55,631 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2023-11-19 02:33:55,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:55,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 108 states and 191 transitions. [2023-11-19 02:33:55,922 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 191 transitions. [2023-11-19 02:33:55,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-19 02:33:55,923 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:55,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:55,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:55,968 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 12 proven. 16 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2023-11-19 02:33:56,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:56,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 109 states and 192 transitions. [2023-11-19 02:33:56,026 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 192 transitions. [2023-11-19 02:33:56,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-19 02:33:56,027 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:56,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:56,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:56,135 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2023-11-19 02:33:56,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:56,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 109 states and 191 transitions. [2023-11-19 02:33:56,165 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 191 transitions. [2023-11-19 02:33:56,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-19 02:33:56,167 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:56,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:56,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:56,253 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2023-11-19 02:33:56,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:56,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 109 states and 190 transitions. [2023-11-19 02:33:56,283 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 190 transitions. [2023-11-19 02:33:56,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-19 02:33:56,284 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:56,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:56,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:56,377 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2023-11-19 02:33:56,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:56,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 109 states and 189 transitions. [2023-11-19 02:33:56,405 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 189 transitions. [2023-11-19 02:33:56,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-19 02:33:56,407 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:56,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:56,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:56,479 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 19 proven. 19 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2023-11-19 02:33:56,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:56,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 107 states and 186 transitions. [2023-11-19 02:33:56,646 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 186 transitions. [2023-11-19 02:33:56,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-19 02:33:56,647 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:56,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:56,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:56,703 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 20 proven. 12 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2023-11-19 02:33:56,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:56,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 109 states and 189 transitions. [2023-11-19 02:33:56,806 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 189 transitions. [2023-11-19 02:33:56,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-19 02:33:56,807 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:56,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:56,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:56,844 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2023-11-19 02:33:56,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:56,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 110 states and 189 transitions. [2023-11-19 02:33:56,899 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 189 transitions. [2023-11-19 02:33:56,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-19 02:33:56,900 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:56,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:56,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:56,936 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2023-11-19 02:33:57,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:57,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 112 states and 191 transitions. [2023-11-19 02:33:57,098 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 191 transitions. [2023-11-19 02:33:57,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-19 02:33:57,100 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:57,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:57,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:57,145 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 21 proven. 15 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2023-11-19 02:33:57,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:57,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 113 states and 192 transitions. [2023-11-19 02:33:57,204 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 192 transitions. [2023-11-19 02:33:57,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-19 02:33:57,205 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:57,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:57,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:57,247 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 14 proven. 20 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2023-11-19 02:33:57,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:57,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 115 states and 194 transitions. [2023-11-19 02:33:57,450 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 194 transitions. [2023-11-19 02:33:57,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-19 02:33:57,451 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:57,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:57,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:57,493 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 22 proven. 16 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2023-11-19 02:33:57,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:57,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 116 states and 194 transitions. [2023-11-19 02:33:57,562 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 194 transitions. [2023-11-19 02:33:57,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-19 02:33:57,566 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:57,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:57,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:57,662 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2023-11-19 02:33:57,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:57,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 104 states and 179 transitions. [2023-11-19 02:33:57,829 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 179 transitions. [2023-11-19 02:33:57,830 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 02:33:57,830 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 51 iterations. [2023-11-19 02:33:57,845 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-11-19 02:33:58,148 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 02:33:58,154 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 02:33:58 ImpRootNode [2023-11-19 02:33:58,154 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 02:33:58,154 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 02:33:58,155 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 02:33:58,155 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 02:33:58,155 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:33:48" (3/4) ... [2023-11-19 02:33:58,157 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 02:33:58,162 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-19 02:33:58,167 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2023-11-19 02:33:58,167 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-19 02:33:58,167 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 02:33:58,168 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 02:33:58,286 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151c939-5b6d-4f72-8580-7ee6b88eeee4/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 02:33:58,287 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151c939-5b6d-4f72-8580-7ee6b88eeee4/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 02:33:58,287 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 02:33:58,288 INFO L158 Benchmark]: Toolchain (without parser) took 10483.84ms. Allocated memory was 172.0MB in the beginning and 207.6MB in the end (delta: 35.7MB). Free memory was 142.8MB in the beginning and 73.4MB in the end (delta: 69.4MB). Peak memory consumption was 103.7MB. Max. memory is 16.1GB. [2023-11-19 02:33:58,288 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 125.8MB. Free memory is still 98.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:33:58,289 INFO L158 Benchmark]: CACSL2BoogieTranslator took 240.19ms. Allocated memory is still 172.0MB. Free memory was 142.8MB in the beginning and 132.3MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 02:33:58,289 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.56ms. Allocated memory is still 172.0MB. Free memory was 132.3MB in the beginning and 131.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:33:58,289 INFO L158 Benchmark]: Boogie Preprocessor took 19.66ms. Allocated memory is still 172.0MB. Free memory was 131.0MB in the beginning and 129.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:33:58,290 INFO L158 Benchmark]: RCFGBuilder took 411.21ms. Allocated memory is still 172.0MB. Free memory was 129.5MB in the beginning and 139.2MB in the end (delta: -9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 02:33:58,290 INFO L158 Benchmark]: CodeCheck took 9645.90ms. Allocated memory was 172.0MB in the beginning and 207.6MB in the end (delta: 35.7MB). Free memory was 139.2MB in the beginning and 77.6MB in the end (delta: 61.7MB). Peak memory consumption was 98.3MB. Max. memory is 16.1GB. [2023-11-19 02:33:58,291 INFO L158 Benchmark]: Witness Printer took 132.88ms. Allocated memory is still 207.6MB. Free memory was 77.6MB in the beginning and 73.4MB in the end (delta: 4.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:33:58,293 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 23 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 9.3s, OverallIterations: 51, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 10434 SdHoareTripleChecker+Valid, 21.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8585 mSDsluCounter, 17494 SdHoareTripleChecker+Invalid, 17.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 15712 mSDsCounter, 5304 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11567 IncrementalHoareTripleChecker+Invalid, 16871 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5304 mSolverCounterUnsat, 1782 mSDtfsCounter, 11567 mSolverCounterSat, 1.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 17551 GetRequests, 16984 SyntacticMatches, 437 SemanticMatches, 130 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9570 ImplicationChecksByTransitivity, 4.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 2278 NumberOfCodeBlocks, 2278 NumberOfCodeBlocksAsserted, 50 NumberOfCheckSat, 2228 ConstructedInterpolants, 0 QuantifiedInterpolants, 4116 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 50 InterpolantComputations, 28 PerfectInterpolantSequences, 3130/3377 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 13]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 125.8MB. Free memory is still 98.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 240.19ms. Allocated memory is still 172.0MB. Free memory was 142.8MB in the beginning and 132.3MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.56ms. Allocated memory is still 172.0MB. Free memory was 132.3MB in the beginning and 131.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 19.66ms. Allocated memory is still 172.0MB. Free memory was 131.0MB in the beginning and 129.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 411.21ms. Allocated memory is still 172.0MB. Free memory was 129.5MB in the beginning and 139.2MB in the end (delta: -9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 9645.90ms. Allocated memory was 172.0MB in the beginning and 207.6MB in the end (delta: 35.7MB). Free memory was 139.2MB in the beginning and 77.6MB in the end (delta: 61.7MB). Peak memory consumption was 98.3MB. Max. memory is 16.1GB. * Witness Printer took 132.88ms. Allocated memory is still 207.6MB. Free memory was 77.6MB in the beginning and 73.4MB in the end (delta: 4.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-19 02:33:58,325 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151c939-5b6d-4f72-8580-7ee6b88eeee4/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE