./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench/ps3-ll.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1bd05a5-1063-4b5a-90df-2c37624b8772/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1bd05a5-1063-4b5a-90df-2c37624b8772/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1bd05a5-1063-4b5a-90df-2c37624b8772/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1bd05a5-1063-4b5a-90df-2c37624b8772/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/ps3-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1bd05a5-1063-4b5a-90df-2c37624b8772/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1bd05a5-1063-4b5a-90df-2c37624b8772/bin/ukojak-verify-1t5iHCbJaC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8db0248129cbdf684d5c34c8cefe6849dfc0aface1aea6f02e53557e5a736fa9 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:29:54,616 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:29:54,762 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1bd05a5-1063-4b5a-90df-2c37624b8772/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:29:54,771 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:29:54,772 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:29:54,824 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:29:54,825 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:29:54,826 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:29:54,827 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:29:54,833 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:29:54,834 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:29:54,835 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:29:54,835 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:29:54,838 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:29:54,840 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:29:54,840 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:29:54,841 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:29:54,841 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:29:54,842 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:29:54,843 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:29:54,843 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:29:54,844 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:29:54,844 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:29:54,845 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:29:54,846 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:29:54,846 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:29:54,847 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:29:54,847 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:29:54,848 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:29:54,849 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:29:54,850 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:29:54,851 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:29:54,851 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:29:54,851 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:29:54,851 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:29:54,852 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_f1bd05a5-1063-4b5a-90df-2c37624b8772/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1bd05a5-1063-4b5a-90df-2c37624b8772/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8db0248129cbdf684d5c34c8cefe6849dfc0aface1aea6f02e53557e5a736fa9 [2023-11-23 20:29:55,272 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:29:55,310 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:29:55,314 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:29:55,316 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:29:55,316 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:29:55,318 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1bd05a5-1063-4b5a-90df-2c37624b8772/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/nla-digbench/ps3-ll.c [2023-11-23 20:29:58,687 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:29:58,965 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:29:58,966 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1bd05a5-1063-4b5a-90df-2c37624b8772/sv-benchmarks/c/nla-digbench/ps3-ll.c [2023-11-23 20:29:58,981 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1bd05a5-1063-4b5a-90df-2c37624b8772/bin/ukojak-verify-1t5iHCbJaC/data/9a1c517ad/27da6037fcea4ca5b9b08cc06a44eb7e/FLAG949c5db24 [2023-11-23 20:29:59,000 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1bd05a5-1063-4b5a-90df-2c37624b8772/bin/ukojak-verify-1t5iHCbJaC/data/9a1c517ad/27da6037fcea4ca5b9b08cc06a44eb7e [2023-11-23 20:29:59,006 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:29:59,008 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:29:59,012 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:29:59,012 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:29:59,019 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:29:59,020 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:29:59" (1/1) ... [2023-11-23 20:29:59,021 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d839fdc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:59, skipping insertion in model container [2023-11-23 20:29:59,021 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:29:59" (1/1) ... [2023-11-23 20:29:59,049 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:29:59,262 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:29:59,274 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:29:59,295 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:29:59,309 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:29:59,310 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:59 WrapperNode [2023-11-23 20:29:59,310 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:29:59,311 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:29:59,312 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:29:59,312 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:29:59,320 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:59" (1/1) ... [2023-11-23 20:29:59,349 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:59" (1/1) ... [2023-11-23 20:29:59,394 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 83 [2023-11-23 20:29:59,394 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:29:59,395 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:29:59,395 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:29:59,395 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:29:59,409 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:59" (1/1) ... [2023-11-23 20:29:59,409 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:59" (1/1) ... [2023-11-23 20:29:59,411 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:59" (1/1) ... [2023-11-23 20:29:59,412 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:59" (1/1) ... [2023-11-23 20:29:59,416 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:59" (1/1) ... [2023-11-23 20:29:59,419 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:59" (1/1) ... [2023-11-23 20:29:59,421 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:59" (1/1) ... [2023-11-23 20:29:59,422 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:59" (1/1) ... [2023-11-23 20:29:59,424 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:29:59,425 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:29:59,426 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:29:59,426 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:29:59,427 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:59" (1/1) ... [2023-11-23 20:29:59,433 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:29:59,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1bd05a5-1063-4b5a-90df-2c37624b8772/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:29:59,467 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1bd05a5-1063-4b5a-90df-2c37624b8772/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:29:59,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1bd05a5-1063-4b5a-90df-2c37624b8772/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:29:59,504 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:29:59,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:29:59,505 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:29:59,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:29:59,505 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:29:59,505 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:29:59,582 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:29:59,584 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:30:00,128 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:30:00,187 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:30:00,196 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:30:00,198 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:30:00 BoogieIcfgContainer [2023-11-23 20:30:00,199 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:30:00,200 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:30:00,200 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:30:00,214 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:30:00,214 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:30:00" (1/1) ... [2023-11-23 20:30:00,227 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:30:00,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:00,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 97 states and 99 transitions. [2023-11-23 20:30:00,323 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 99 transitions. [2023-11-23 20:30:00,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-23 20:30:00,328 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:00,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:00,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:00,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:30:00,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:00,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 97 states and 98 transitions. [2023-11-23 20:30:00,543 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 98 transitions. [2023-11-23 20:30:00,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-23 20:30:00,544 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:00,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:00,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:00,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:30:00,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:00,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 99 states and 101 transitions. [2023-11-23 20:30:00,725 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 101 transitions. [2023-11-23 20:30:00,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 20:30:00,726 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:00,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:00,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:00,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:30:00,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:00,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 100 states and 102 transitions. [2023-11-23 20:30:00,866 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 102 transitions. [2023-11-23 20:30:00,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-23 20:30:00,866 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:00,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:00,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:00,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:30:01,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:01,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 104 states and 108 transitions. [2023-11-23 20:30:01,089 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 108 transitions. [2023-11-23 20:30:01,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-23 20:30:01,090 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:01,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:01,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:01,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:30:01,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:01,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 105 states and 109 transitions. [2023-11-23 20:30:01,199 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 109 transitions. [2023-11-23 20:30:01,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:30:01,200 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:01,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:01,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:01,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:30:01,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:01,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 104 states and 108 transitions. [2023-11-23 20:30:01,230 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 108 transitions. [2023-11-23 20:30:01,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 20:30:01,231 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:01,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:01,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:01,258 INFO L262 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:30:01,263 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:01,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:30:01,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:01,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 106 states and 110 transitions. [2023-11-23 20:30:01,312 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 110 transitions. [2023-11-23 20:30:01,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 20:30:01,312 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:01,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:01,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:01,333 INFO L262 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:30:01,335 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:01,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:30:01,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:01,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 107 states and 111 transitions. [2023-11-23 20:30:01,375 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 111 transitions. [2023-11-23 20:30:01,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 20:30:01,376 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:01,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:01,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:01,398 INFO L262 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:30:01,399 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:01,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:30:01,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:01,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 108 states and 112 transitions. [2023-11-23 20:30:01,441 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 112 transitions. [2023-11-23 20:30:01,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-23 20:30:01,442 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:01,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:01,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:01,471 INFO L262 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:30:01,476 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:01,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:30:01,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:01,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 115 states and 121 transitions. [2023-11-23 20:30:01,765 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 121 transitions. [2023-11-23 20:30:01,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 20:30:01,766 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:01,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:01,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:01,790 INFO L262 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:30:01,791 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:01,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:30:02,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:02,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 123 states and 130 transitions. [2023-11-23 20:30:02,142 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 130 transitions. [2023-11-23 20:30:02,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:30:02,143 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:02,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:02,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:02,163 INFO L262 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:30:02,164 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:02,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:30:02,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:02,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 124 states and 132 transitions. [2023-11-23 20:30:02,245 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 132 transitions. [2023-11-23 20:30:02,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:30:02,246 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:02,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:02,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:02,268 INFO L262 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:30:02,269 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:02,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:30:02,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:02,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 126 states and 135 transitions. [2023-11-23 20:30:02,405 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 135 transitions. [2023-11-23 20:30:02,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 20:30:02,406 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:02,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:02,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:02,426 INFO L262 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:30:02,427 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:02,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:30:02,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:02,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 125 states and 134 transitions. [2023-11-23 20:30:02,437 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 134 transitions. [2023-11-23 20:30:02,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:30:02,438 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:02,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:02,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:02,458 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:30:02,459 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:02,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:30:02,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:02,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 128 states and 137 transitions. [2023-11-23 20:30:02,545 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 137 transitions. [2023-11-23 20:30:02,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:30:02,546 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:02,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:02,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:02,566 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:30:02,567 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:02,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:30:02,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:02,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 134 states and 143 transitions. [2023-11-23 20:30:02,769 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 143 transitions. [2023-11-23 20:30:02,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 20:30:02,770 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:02,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:02,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:02,792 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:30:02,793 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:02,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:30:02,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:02,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 140 states and 150 transitions. [2023-11-23 20:30:02,962 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 150 transitions. [2023-11-23 20:30:02,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:30:02,963 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:02,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:02,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:02,985 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:30:02,987 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:03,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:30:03,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:03,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 141 states and 152 transitions. [2023-11-23 20:30:03,271 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 152 transitions. [2023-11-23 20:30:03,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:30:03,272 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:03,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:03,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:03,294 INFO L262 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:30:03,296 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:03,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:30:03,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:03,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 143 states and 156 transitions. [2023-11-23 20:30:03,627 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 156 transitions. [2023-11-23 20:30:03,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:30:03,632 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:03,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:03,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:03,663 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:30:03,665 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:03,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:30:04,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:04,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 146 states and 161 transitions. [2023-11-23 20:30:04,005 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 161 transitions. [2023-11-23 20:30:04,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:30:04,014 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:04,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:04,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:04,041 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:30:04,042 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:04,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:30:05,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:05,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 168 states and 191 transitions. [2023-11-23 20:30:05,009 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 191 transitions. [2023-11-23 20:30:05,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:30:05,010 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:05,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:05,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:05,044 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:30:05,053 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:05,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:30:05,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:05,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 173 states and 200 transitions. [2023-11-23 20:30:05,690 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 200 transitions. [2023-11-23 20:30:05,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:30:05,691 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:05,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:05,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:05,714 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:30:05,716 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:05,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:30:06,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:06,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 196 states and 232 transitions. [2023-11-23 20:30:06,875 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 232 transitions. [2023-11-23 20:30:06,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-23 20:30:06,875 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:06,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:06,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:06,903 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:30:06,904 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:06,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:30:07,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:07,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 199 states and 236 transitions. [2023-11-23 20:30:07,510 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 236 transitions. [2023-11-23 20:30:07,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-23 20:30:07,511 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:07,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:07,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:07,537 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:30:07,538 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:07,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:30:07,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:07,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 202 states and 243 transitions. [2023-11-23 20:30:07,928 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 243 transitions. [2023-11-23 20:30:07,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 20:30:07,928 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:07,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:07,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:07,950 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:30:07,951 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:08,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:30:08,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:08,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 206 states and 248 transitions. [2023-11-23 20:30:08,825 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 248 transitions. [2023-11-23 20:30:08,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 20:30:08,826 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:08,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:08,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:08,850 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:30:08,851 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:08,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:30:09,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:09,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 210 states and 256 transitions. [2023-11-23 20:30:09,312 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 256 transitions. [2023-11-23 20:30:09,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 20:30:09,313 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:09,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:09,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:09,339 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:30:09,343 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:09,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:30:09,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:09,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 209 states and 255 transitions. [2023-11-23 20:30:09,376 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 255 transitions. [2023-11-23 20:30:09,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 20:30:09,378 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:09,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:09,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:09,432 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:30:09,433 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:09,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:30:09,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:09,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 208 states and 254 transitions. [2023-11-23 20:30:09,461 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 254 transitions. [2023-11-23 20:30:09,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-23 20:30:09,461 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:09,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:09,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:09,494 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:30:09,495 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:09,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:30:10,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:10,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 214 states and 261 transitions. [2023-11-23 20:30:10,831 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 261 transitions. [2023-11-23 20:30:10,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-23 20:30:10,832 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:10,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:10,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:10,858 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:30:10,859 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:10,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:30:11,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:11,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 223 states and 276 transitions. [2023-11-23 20:30:11,981 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 276 transitions. [2023-11-23 20:30:11,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:30:11,981 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:11,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:12,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:12,004 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:30:12,006 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:12,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:30:13,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:13,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 230 states and 285 transitions. [2023-11-23 20:30:13,030 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 285 transitions. [2023-11-23 20:30:13,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:30:13,030 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:13,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:13,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:13,055 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:30:13,056 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:13,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:30:14,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:14,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 242 states and 302 transitions. [2023-11-23 20:30:14,003 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 302 transitions. [2023-11-23 20:30:14,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 20:30:14,004 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:14,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:14,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:14,027 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:30:14,028 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:14,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:30:15,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:15,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 250 states and 312 transitions. [2023-11-23 20:30:15,251 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 312 transitions. [2023-11-23 20:30:15,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 20:30:15,252 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:15,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:15,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:15,279 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:30:15,281 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:15,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:30:16,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:16,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 262 states and 331 transitions. [2023-11-23 20:30:16,533 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 331 transitions. [2023-11-23 20:30:16,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-23 20:30:16,534 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:16,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:16,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:16,557 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:30:16,558 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:16,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:30:17,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:17,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 271 states and 342 transitions. [2023-11-23 20:30:17,971 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 342 transitions. [2023-11-23 20:30:17,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-23 20:30:17,971 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:17,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:17,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:17,994 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:30:17,995 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:18,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:30:19,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:19,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 281 states and 354 transitions. [2023-11-23 20:30:19,836 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 354 transitions. [2023-11-23 20:30:19,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-23 20:30:19,837 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:19,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:19,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:19,862 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:30:19,863 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:19,951 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:30:20,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:20,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 284 states and 359 transitions. [2023-11-23 20:30:20,267 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 359 transitions. [2023-11-23 20:30:20,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 20:30:20,268 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:20,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:20,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:20,293 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:30:20,295 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:20,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:30:21,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:21,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 283 states and 358 transitions. [2023-11-23 20:30:21,422 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 358 transitions. [2023-11-23 20:30:21,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 20:30:21,423 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:21,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:21,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:21,450 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:30:21,451 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:21,795 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:30:22,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:22,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 288 states and 367 transitions. [2023-11-23 20:30:22,514 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 367 transitions. [2023-11-23 20:30:22,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-23 20:30:22,515 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:22,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:22,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:22,541 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:30:22,542 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:22,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:30:23,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:23,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 287 states and 366 transitions. [2023-11-23 20:30:23,651 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 366 transitions. [2023-11-23 20:30:23,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-23 20:30:23,652 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:23,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:23,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:23,691 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:30:23,692 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:23,772 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:30:24,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:24,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 291 states and 375 transitions. [2023-11-23 20:30:24,260 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 375 transitions. [2023-11-23 20:30:24,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-23 20:30:24,260 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:24,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:24,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:24,281 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:30:24,282 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:24,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:30:24,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:24,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 290 states and 374 transitions. [2023-11-23 20:30:24,302 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 374 transitions. [2023-11-23 20:30:24,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-23 20:30:24,303 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:24,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:24,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:24,324 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:30:24,325 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:24,442 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:30:25,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:25,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 295 states and 382 transitions. [2023-11-23 20:30:25,146 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 382 transitions. [2023-11-23 20:30:25,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-23 20:30:25,147 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:25,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:25,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:25,167 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:30:25,168 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:25,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:30:27,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:27,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 294 states and 381 transitions. [2023-11-23 20:30:27,183 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 381 transitions. [2023-11-23 20:30:27,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-23 20:30:27,183 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:27,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:27,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:27,217 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:30:27,219 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:27,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:30:30,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:30,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 309 states and 398 transitions. [2023-11-23 20:30:30,518 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 398 transitions. [2023-11-23 20:30:30,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-23 20:30:30,518 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:30,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:30,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:30,546 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:30:30,547 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:30,775 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:30:31,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:31,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 313 states and 404 transitions. [2023-11-23 20:30:31,512 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 404 transitions. [2023-11-23 20:30:31,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-23 20:30:31,513 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:31,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:31,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:31,533 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:30:31,534 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:31,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:30:32,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:32,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 312 states and 403 transitions. [2023-11-23 20:30:32,582 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 403 transitions. [2023-11-23 20:30:32,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-23 20:30:32,583 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:32,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:32,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:32,605 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:30:32,607 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:32,677 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:30:33,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:33,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 316 states and 408 transitions. [2023-11-23 20:30:33,021 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 408 transitions. [2023-11-23 20:30:33,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-23 20:30:33,022 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:33,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:33,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:33,046 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:30:33,047 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:33,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:30:38,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:38,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 333 states and 427 transitions. [2023-11-23 20:30:38,364 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 427 transitions. [2023-11-23 20:30:38,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-23 20:30:38,364 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:38,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:38,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:38,387 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:30:38,388 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:38,437 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:30:38,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:38,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 337 states and 432 transitions. [2023-11-23 20:30:38,696 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 432 transitions. [2023-11-23 20:30:38,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-23 20:30:38,696 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:38,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:38,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:38,716 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:30:38,717 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:38,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:30:41,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:41,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 336 states and 431 transitions. [2023-11-23 20:30:41,743 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 431 transitions. [2023-11-23 20:30:41,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-23 20:30:41,744 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:41,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:41,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:41,766 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:30:41,767 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:41,921 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:30:42,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:42,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 342 states and 438 transitions. [2023-11-23 20:30:42,665 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 438 transitions. [2023-11-23 20:30:42,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-23 20:30:42,665 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:42,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:42,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:42,689 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:30:42,690 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:43,125 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:30:44,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:44,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 350 states and 449 transitions. [2023-11-23 20:30:44,528 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 449 transitions. [2023-11-23 20:30:44,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-23 20:30:44,529 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:44,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:44,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:44,558 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:30:44,559 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:44,611 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:30:45,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:45,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 354 states and 455 transitions. [2023-11-23 20:30:45,246 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 455 transitions. [2023-11-23 20:30:45,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-23 20:30:45,247 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:45,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:45,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:45,267 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:30:45,268 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:45,328 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:30:45,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:45,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 356 states and 459 transitions. [2023-11-23 20:30:45,389 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 459 transitions. [2023-11-23 20:30:45,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-23 20:30:45,390 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:45,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:45,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:45,411 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:30:45,412 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:45,494 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:30:46,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:46,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 363 states and 469 transitions. [2023-11-23 20:30:46,432 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 469 transitions. [2023-11-23 20:30:46,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-23 20:30:46,433 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:46,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:46,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:46,461 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:30:46,462 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:47,018 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:30:48,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:48,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 369 states and 479 transitions. [2023-11-23 20:30:48,682 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 479 transitions. [2023-11-23 20:30:48,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-23 20:30:48,682 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:48,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:48,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:48,716 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:30:48,718 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:49,099 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:30:50,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:50,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 374 states and 490 transitions. [2023-11-23 20:30:50,530 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 490 transitions. [2023-11-23 20:30:50,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-23 20:30:50,531 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:50,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:50,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:50,557 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:30:50,559 INFO L285 TraceCheckSpWp]: Computing forward predicates...