./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound50.c --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_14767dff-7a85-4210-a69b-5ab57c32c373/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14767dff-7a85-4210-a69b-5ab57c32c373/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_14767dff-7a85-4210-a69b-5ab57c32c373/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14767dff-7a85-4210-a69b-5ab57c32c373/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14767dff-7a85-4210-a69b-5ab57c32c373/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_14767dff-7a85-4210-a69b-5ab57c32c373/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 82dba59912342fc33baf6f71838a6b7d05440c02338f64f7b1e8151e293c49a7 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:45:41,303 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:45:41,429 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14767dff-7a85-4210-a69b-5ab57c32c373/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 02:45:41,436 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:45:41,437 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:45:41,476 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:45:41,477 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:45:41,478 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:45:41,479 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:45:41,486 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:45:41,488 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:45:41,488 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:45:41,489 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:45:41,491 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:45:41,491 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:45:41,491 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:45:41,492 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:45:41,492 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:45:41,493 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:45:41,493 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:45:41,493 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:45:41,494 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:45:41,494 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:45:41,496 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:45:41,497 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:45:41,498 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:45:41,498 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:45:41,499 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:45:41,499 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:45:41,499 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:45:41,501 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:45:41,501 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:45:41,502 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:45:41,502 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_14767dff-7a85-4210-a69b-5ab57c32c373/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14767dff-7a85-4210-a69b-5ab57c32c373/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 82dba59912342fc33baf6f71838a6b7d05440c02338f64f7b1e8151e293c49a7 [2023-11-19 02:45:41,803 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:45:41,839 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:45:41,842 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:45:41,843 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:45:41,843 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:45:41,845 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14767dff-7a85-4210-a69b-5ab57c32c373/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound50.c [2023-11-19 02:45:45,072 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:45:45,279 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:45:45,280 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14767dff-7a85-4210-a69b-5ab57c32c373/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound50.c [2023-11-19 02:45:45,287 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14767dff-7a85-4210-a69b-5ab57c32c373/bin/ukojak-verify-G8NBE6pJGL/data/cc9f2c659/d95e73af369b4c83a2232ef78b388e86/FLAG7bae26859 [2023-11-19 02:45:45,313 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14767dff-7a85-4210-a69b-5ab57c32c373/bin/ukojak-verify-G8NBE6pJGL/data/cc9f2c659/d95e73af369b4c83a2232ef78b388e86 [2023-11-19 02:45:45,319 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:45:45,320 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:45:45,322 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:45:45,323 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:45:45,328 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:45:45,328 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:45:45" (1/1) ... [2023-11-19 02:45:45,331 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5da17fb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:45, skipping insertion in model container [2023-11-19 02:45:45,331 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:45:45" (1/1) ... [2023-11-19 02:45:45,351 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:45:45,546 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_14767dff-7a85-4210-a69b-5ab57c32c373/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound50.c[454,467] [2023-11-19 02:45:45,566 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:45:45,579 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:45:45,594 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_14767dff-7a85-4210-a69b-5ab57c32c373/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound50.c[454,467] [2023-11-19 02:45:45,604 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:45:45,620 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:45:45,620 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:45 WrapperNode [2023-11-19 02:45:45,621 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:45:45,622 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:45:45,622 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:45:45,622 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:45:45,631 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:45" (1/1) ... [2023-11-19 02:45:45,643 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:45" (1/1) ... [2023-11-19 02:45:45,664 INFO L138 Inliner]: procedures = 14, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 38 [2023-11-19 02:45:45,665 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:45:45,666 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:45:45,666 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:45:45,666 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:45:45,675 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:45" (1/1) ... [2023-11-19 02:45:45,676 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:45" (1/1) ... [2023-11-19 02:45:45,678 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:45" (1/1) ... [2023-11-19 02:45:45,679 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:45" (1/1) ... [2023-11-19 02:45:45,688 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:45" (1/1) ... [2023-11-19 02:45:45,693 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:45" (1/1) ... [2023-11-19 02:45:45,695 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:45" (1/1) ... [2023-11-19 02:45:45,696 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:45" (1/1) ... [2023-11-19 02:45:45,704 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:45:45,705 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:45:45,706 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:45:45,706 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:45:45,707 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:45" (1/1) ... [2023-11-19 02:45:45,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:45:45,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14767dff-7a85-4210-a69b-5ab57c32c373/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:45:45,742 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14767dff-7a85-4210-a69b-5ab57c32c373/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:45:45,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14767dff-7a85-4210-a69b-5ab57c32c373/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:45:45,792 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:45:45,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:45:45,792 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:45:45,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:45:45,793 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 02:45:45,794 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 02:45:45,874 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:45:45,877 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:45:46,058 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:45:46,079 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:45:46,079 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 02:45:46,083 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:45:46 BoogieIcfgContainer [2023-11-19 02:45:46,084 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:45:46,085 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:45:46,085 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:45:46,095 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:45:46,096 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:45:46" (1/1) ... [2023-11-19 02:45:46,105 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:45:46,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:46,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2023-11-19 02:45:46,170 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2023-11-19 02:45:46,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 02:45:46,178 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:46,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:46,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:46,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:46,319 INFO L262 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:45:46,323 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:45:46,344 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 02:45:46,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:46,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2023-11-19 02:45:46,362 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2023-11-19 02:45:46,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 02:45:46,363 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:46,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:46,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:46,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:46,415 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:45:46,416 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:45:46,465 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 02:45:46,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:46,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2023-11-19 02:45:46,505 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2023-11-19 02:45:46,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 02:45:46,505 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:46,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:46,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:46,568 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 02:45:46,570 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:45:46,665 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 02:45:46,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:46,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2023-11-19 02:45:46,893 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2023-11-19 02:45:46,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 02:45:46,895 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:46,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:46,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:46,923 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:45:46,925 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:45:47,030 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:45:47,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:47,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 25 states and 37 transitions. [2023-11-19 02:45:47,292 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 37 transitions. [2023-11-19 02:45:47,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 02:45:47,294 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:47,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:47,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:47,349 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:45:47,351 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:45:47,447 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:45:48,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:48,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 33 states and 55 transitions. [2023-11-19 02:45:48,519 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 55 transitions. [2023-11-19 02:45:48,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 02:45:48,522 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:48,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:48,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:48,584 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:45:48,586 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:45:48,778 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:45:49,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:49,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 37 states and 66 transitions. [2023-11-19 02:45:49,725 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 66 transitions. [2023-11-19 02:45:49,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 02:45:49,726 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:49,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:49,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:49,754 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:45:49,755 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:45:49,803 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:45:50,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:50,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 39 states and 67 transitions. [2023-11-19 02:45:50,221 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 67 transitions. [2023-11-19 02:45:50,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 02:45:50,223 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:50,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:50,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:50,252 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:45:50,254 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:45:50,393 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:45:52,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:52,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 47 states and 90 transitions. [2023-11-19 02:45:52,003 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 90 transitions. [2023-11-19 02:45:52,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 02:45:52,005 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:52,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:52,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:52,034 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 02:45:52,036 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:45:52,182 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 02:45:53,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:53,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 51 states and 104 transitions. [2023-11-19 02:45:53,200 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 104 transitions. [2023-11-19 02:45:53,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 02:45:53,202 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:53,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:53,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:53,241 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 02:45:53,243 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:45:53,319 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 02:45:54,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:54,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 54 states and 107 transitions. [2023-11-19 02:45:54,093 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 107 transitions. [2023-11-19 02:45:54,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 02:45:54,095 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:54,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:54,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:54,124 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:45:54,126 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:45:54,167 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:45:54,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:54,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 54 states and 106 transitions. [2023-11-19 02:45:54,395 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 106 transitions. [2023-11-19 02:45:54,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 02:45:54,399 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:54,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:54,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:54,425 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 02:45:54,426 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:45:54,480 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 02:45:55,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:55,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 56 states and 107 transitions. [2023-11-19 02:45:55,151 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 107 transitions. [2023-11-19 02:45:55,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 02:45:55,153 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:55,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:55,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:55,184 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 02:45:55,186 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:45:55,330 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:45:56,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:56,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 60 states and 121 transitions. [2023-11-19 02:45:56,660 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 121 transitions. [2023-11-19 02:45:56,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 02:45:56,662 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:56,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:56,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:56,693 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 02:45:56,695 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:45:56,763 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:45:57,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:57,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 62 states and 122 transitions. [2023-11-19 02:45:57,439 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 122 transitions. [2023-11-19 02:45:57,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 02:45:57,442 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:57,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:57,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:57,503 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 02:45:57,504 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:45:57,716 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:45:59,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:59,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 70 states and 153 transitions. [2023-11-19 02:45:59,887 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 153 transitions. [2023-11-19 02:45:59,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 02:45:59,889 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:59,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:59,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:59,919 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 02:45:59,921 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:45:59,987 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:46:00,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:00,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 73 states and 156 transitions. [2023-11-19 02:46:00,900 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 156 transitions. [2023-11-19 02:46:00,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 02:46:00,905 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:00,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:00,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:00,953 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 02:46:00,958 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:01,035 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:46:01,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:01,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 73 states and 155 transitions. [2023-11-19 02:46:01,353 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 155 transitions. [2023-11-19 02:46:01,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 02:46:01,354 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:01,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:01,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:01,383 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 02:46:01,385 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:01,461 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:46:02,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:02,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 76 states and 158 transitions. [2023-11-19 02:46:02,605 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 158 transitions. [2023-11-19 02:46:02,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 02:46:02,606 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:02,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:02,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:02,637 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 02:46:02,639 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:02,692 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:46:03,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:03,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 76 states and 157 transitions. [2023-11-19 02:46:03,065 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 157 transitions. [2023-11-19 02:46:03,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 02:46:03,066 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:03,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:03,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:03,107 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 02:46:03,109 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:03,329 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 02:46:04,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:04,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 80 states and 173 transitions. [2023-11-19 02:46:04,892 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 173 transitions. [2023-11-19 02:46:04,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 02:46:04,893 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:04,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:04,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:04,932 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 02:46:04,934 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:05,019 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 02:46:06,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:06,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 83 states and 177 transitions. [2023-11-19 02:46:06,446 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 177 transitions. [2023-11-19 02:46:06,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 02:46:06,449 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:06,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:06,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:06,483 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:46:06,484 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:06,790 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:46:09,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:09,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 91 states and 213 transitions. [2023-11-19 02:46:09,721 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 213 transitions. [2023-11-19 02:46:09,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 02:46:09,722 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:09,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:09,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:09,754 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 02:46:09,756 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:09,843 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 02:46:11,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:11,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 94 states and 216 transitions. [2023-11-19 02:46:11,225 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 216 transitions. [2023-11-19 02:46:11,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 02:46:11,227 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:11,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:11,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:11,263 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:46:11,265 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:11,334 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:46:11,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:11,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 94 states and 215 transitions. [2023-11-19 02:46:11,790 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 215 transitions. [2023-11-19 02:46:11,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 02:46:11,791 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:11,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:11,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:11,831 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 02:46:11,832 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:11,938 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 02:46:13,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:13,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 96 states and 216 transitions. [2023-11-19 02:46:13,201 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 216 transitions. [2023-11-19 02:46:13,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 02:46:13,203 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:13,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:13,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:13,286 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:46:13,288 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:13,360 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:46:13,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:13,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 96 states and 215 transitions. [2023-11-19 02:46:13,866 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 215 transitions. [2023-11-19 02:46:13,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 02:46:13,868 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:13,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:13,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:13,918 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-19 02:46:13,921 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:14,023 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 7 proven. 46 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-19 02:46:15,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:15,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 99 states and 218 transitions. [2023-11-19 02:46:15,617 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 218 transitions. [2023-11-19 02:46:15,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 02:46:15,619 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:15,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:15,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:15,663 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:46:15,665 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:15,726 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:46:16,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:16,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 99 states and 217 transitions. [2023-11-19 02:46:16,237 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 217 transitions. [2023-11-19 02:46:16,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 02:46:16,241 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:16,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:16,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:16,294 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-19 02:46:16,297 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:16,606 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 9 proven. 68 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-19 02:46:19,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:19,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 103 states and 237 transitions. [2023-11-19 02:46:19,298 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 237 transitions. [2023-11-19 02:46:19,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 02:46:19,300 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:19,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:19,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:19,356 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 02:46:19,359 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:19,751 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:46:23,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:23,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 111 states and 278 transitions. [2023-11-19 02:46:23,962 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 278 transitions. [2023-11-19 02:46:23,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 02:46:23,963 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:23,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:24,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:24,018 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-19 02:46:24,021 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:24,148 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 9 proven. 68 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-19 02:46:25,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:25,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 114 states and 281 transitions. [2023-11-19 02:46:25,838 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 281 transitions. [2023-11-19 02:46:25,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 02:46:25,839 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:25,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:25,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:25,880 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 02:46:25,882 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:25,977 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:46:26,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:26,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 114 states and 280 transitions. [2023-11-19 02:46:26,520 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 280 transitions. [2023-11-19 02:46:26,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 02:46:26,522 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:26,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:26,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:26,564 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-19 02:46:26,566 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:26,744 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 9 proven. 68 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-19 02:46:28,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:28,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 116 states and 281 transitions. [2023-11-19 02:46:28,091 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 281 transitions. [2023-11-19 02:46:28,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 02:46:28,093 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:28,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:28,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:28,138 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 02:46:28,140 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:28,217 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:46:28,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:28,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 116 states and 280 transitions. [2023-11-19 02:46:28,841 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 280 transitions. [2023-11-19 02:46:28,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 02:46:28,892 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:28,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:28,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:28,956 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-19 02:46:28,958 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:29,076 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 9 proven. 68 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-19 02:46:30,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:30,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 119 states and 283 transitions. [2023-11-19 02:46:30,976 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 283 transitions. [2023-11-19 02:46:30,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 02:46:30,977 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:30,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:31,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:31,024 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-19 02:46:31,026 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:31,144 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 10 proven. 55 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-19 02:46:32,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:32,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 122 states and 286 transitions. [2023-11-19 02:46:32,962 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 286 transitions. [2023-11-19 02:46:32,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 02:46:32,964 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:32,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:33,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:33,004 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 02:46:33,005 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:33,083 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:46:33,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:33,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 122 states and 285 transitions. [2023-11-19 02:46:33,686 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 285 transitions. [2023-11-19 02:46:33,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 02:46:33,737 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:33,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:33,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:33,796 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-19 02:46:33,800 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:33,928 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 9 proven. 68 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-19 02:46:35,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:35,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 125 states and 288 transitions. [2023-11-19 02:46:35,789 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 288 transitions. [2023-11-19 02:46:35,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 02:46:35,790 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:35,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:35,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:35,831 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 02:46:35,832 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:35,907 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:46:36,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:36,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 125 states and 287 transitions. [2023-11-19 02:46:36,564 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 287 transitions. [2023-11-19 02:46:36,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 02:46:36,566 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:36,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:36,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:36,617 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-19 02:46:36,620 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:36,999 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 12 proven. 78 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked.