./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound20.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_053ea94e-aec0-4698-b47f-83b1bce110bc/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_053ea94e-aec0-4698-b47f-83b1bce110bc/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_053ea94e-aec0-4698-b47f-83b1bce110bc/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_053ea94e-aec0-4698-b47f-83b1bce110bc/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_053ea94e-aec0-4698-b47f-83b1bce110bc/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_053ea94e-aec0-4698-b47f-83b1bce110bc/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 a32548a2dc110e6882a396485f8651f4c4262f9c106b055559dda4621561bdb6 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:27:12,158 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:27:12,282 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_053ea94e-aec0-4698-b47f-83b1bce110bc/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:27:12,289 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:27:12,290 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:27:12,345 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:27:12,347 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:27:12,347 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:27:12,349 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:27:12,354 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:27:12,355 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:27:12,356 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:27:12,356 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:27:12,358 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:27:12,359 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:27:12,359 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:27:12,360 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:27:12,360 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:27:12,361 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:27:12,361 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:27:12,362 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:27:12,363 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:27:12,363 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:27:12,364 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:27:12,365 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:27:12,365 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:27:12,366 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:27:12,366 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:27:12,367 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:27:12,368 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:27:12,369 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:27:12,370 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:27:12,370 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:27:12,370 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:27:12,371 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:27:12,371 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_053ea94e-aec0-4698-b47f-83b1bce110bc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_053ea94e-aec0-4698-b47f-83b1bce110bc/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a32548a2dc110e6882a396485f8651f4c4262f9c106b055559dda4621561bdb6 [2023-11-23 20:27:12,735 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:27:12,809 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:27:12,812 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:27:12,813 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:27:12,818 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:27:12,822 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_053ea94e-aec0-4698-b47f-83b1bce110bc/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound20.c [2023-11-23 20:27:15,924 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:27:16,165 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:27:16,166 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_053ea94e-aec0-4698-b47f-83b1bce110bc/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound20.c [2023-11-23 20:27:16,193 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_053ea94e-aec0-4698-b47f-83b1bce110bc/bin/ukojak-verify-1t5iHCbJaC/data/59d5109bd/d4ec252a244e40e7ad645aa857dfb7d0/FLAGe1885e389 [2023-11-23 20:27:16,224 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_053ea94e-aec0-4698-b47f-83b1bce110bc/bin/ukojak-verify-1t5iHCbJaC/data/59d5109bd/d4ec252a244e40e7ad645aa857dfb7d0 [2023-11-23 20:27:16,230 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:27:16,233 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:27:16,237 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:27:16,238 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:27:16,245 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:27:16,246 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:27:16" (1/1) ... [2023-11-23 20:27:16,247 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9f7521e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:16, skipping insertion in model container [2023-11-23 20:27:16,248 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:27:16" (1/1) ... [2023-11-23 20:27:16,274 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:27:16,533 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:27:16,551 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:27:16,600 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:27:16,619 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:27:16,620 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:16 WrapperNode [2023-11-23 20:27:16,620 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:27:16,622 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:27:16,622 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:27:16,623 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:27:16,631 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:16" (1/1) ... [2023-11-23 20:27:16,650 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:16" (1/1) ... [2023-11-23 20:27:16,690 INFO L138 Inliner]: procedures = 14, calls = 24, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 90 [2023-11-23 20:27:16,691 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:27:16,692 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:27:16,692 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:27:16,693 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:27:16,703 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:16" (1/1) ... [2023-11-23 20:27:16,703 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:16" (1/1) ... [2023-11-23 20:27:16,705 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:16" (1/1) ... [2023-11-23 20:27:16,706 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:16" (1/1) ... [2023-11-23 20:27:16,710 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:16" (1/1) ... [2023-11-23 20:27:16,715 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:16" (1/1) ... [2023-11-23 20:27:16,720 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:16" (1/1) ... [2023-11-23 20:27:16,721 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:16" (1/1) ... [2023-11-23 20:27:16,723 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:27:16,724 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:27:16,724 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:27:16,724 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:27:16,725 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:27:16" (1/1) ... [2023-11-23 20:27:16,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:27:16,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_053ea94e-aec0-4698-b47f-83b1bce110bc/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:27:16,764 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_053ea94e-aec0-4698-b47f-83b1bce110bc/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:27:16,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_053ea94e-aec0-4698-b47f-83b1bce110bc/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:27:16,811 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:27:16,811 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:27:16,812 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:27:16,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:27:16,813 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:27:16,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:27:16,814 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:27:16,815 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:27:16,908 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:27:16,911 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:27:17,256 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:27:17,330 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:27:17,330 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-23 20:27:17,333 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:27:17 BoogieIcfgContainer [2023-11-23 20:27:17,333 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:27:17,336 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:27:17,336 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:27:17,348 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:27:17,348 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:27:17" (1/1) ... [2023-11-23 20:27:17,359 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:27:17,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:17,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 38 states and 53 transitions. [2023-11-23 20:27:17,430 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 53 transitions. [2023-11-23 20:27:17,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:27:17,436 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:17,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:17,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:17,800 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:27:17,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:17,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 40 states and 55 transitions. [2023-11-23 20:27:17,928 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 55 transitions. [2023-11-23 20:27:17,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:27:17,933 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:17,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:17,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:18,080 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:27:18,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:18,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 41 states and 56 transitions. [2023-11-23 20:27:18,105 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 56 transitions. [2023-11-23 20:27:18,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 20:27:18,107 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:18,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:18,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:18,224 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:27:18,231 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:18,420 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:27:18,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:18,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 48 states and 74 transitions. [2023-11-23 20:27:18,633 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 74 transitions. [2023-11-23 20:27:18,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:27:18,637 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:18,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:18,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:18,708 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:27:18,710 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:18,840 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:27:19,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:19,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 56 states and 93 transitions. [2023-11-23 20:27:19,094 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 93 transitions. [2023-11-23 20:27:19,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 20:27:19,097 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:19,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:19,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:19,172 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:27:19,181 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:19,274 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:27:19,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:19,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 57 states and 94 transitions. [2023-11-23 20:27:19,326 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 94 transitions. [2023-11-23 20:27:19,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 20:27:19,331 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:19,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:19,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:19,401 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:27:19,406 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:19,522 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:27:19,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:19,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 63 states and 102 transitions. [2023-11-23 20:27:19,716 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 102 transitions. [2023-11-23 20:27:19,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-23 20:27:19,726 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:19,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:19,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:19,785 INFO L262 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:27:19,790 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:19,902 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:27:20,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:20,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 70 states and 121 transitions. [2023-11-23 20:27:20,224 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 121 transitions. [2023-11-23 20:27:20,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-23 20:27:20,235 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:20,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:20,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:20,274 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:27:20,276 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:20,464 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:27:20,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:20,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 73 states and 126 transitions. [2023-11-23 20:27:20,921 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 126 transitions. [2023-11-23 20:27:20,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-23 20:27:20,922 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:20,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:20,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:20,960 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:27:20,962 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:21,035 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:27:21,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:21,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 74 states and 127 transitions. [2023-11-23 20:27:21,092 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 127 transitions. [2023-11-23 20:27:21,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-23 20:27:21,094 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:21,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:21,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:21,135 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:27:21,138 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:21,338 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:27:21,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:21,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 78 states and 134 transitions. [2023-11-23 20:27:21,687 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 134 transitions. [2023-11-23 20:27:21,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-23 20:27:21,688 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:21,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:21,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:21,725 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:27:21,727 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:21,945 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-23 20:27:23,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:23,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 90 states and 160 transitions. [2023-11-23 20:27:23,834 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 160 transitions. [2023-11-23 20:27:23,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-23 20:27:23,835 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:23,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:23,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:23,876 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 20:27:23,881 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:24,024 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:27:24,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:24,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 94 states and 163 transitions. [2023-11-23 20:27:24,819 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 163 transitions. [2023-11-23 20:27:24,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-23 20:27:24,820 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:24,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:24,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:24,869 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 20:27:24,871 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:25,025 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:27:25,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:25,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 94 states and 160 transitions. [2023-11-23 20:27:25,272 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 160 transitions. [2023-11-23 20:27:25,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-23 20:27:25,273 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:25,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:25,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:25,310 INFO L262 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 20:27:25,311 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:25,527 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:27:26,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:26,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 101 states and 180 transitions. [2023-11-23 20:27:26,597 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 180 transitions. [2023-11-23 20:27:26,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-23 20:27:26,599 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:26,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:26,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:26,646 INFO L262 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 20:27:26,649 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:26,722 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:27:27,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:27,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 103 states and 182 transitions. [2023-11-23 20:27:27,014 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 182 transitions. [2023-11-23 20:27:27,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-23 20:27:27,015 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:27,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:27,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:27,061 INFO L262 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 20:27:27,068 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:27,179 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:27:27,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:27,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 106 states and 186 transitions. [2023-11-23 20:27:27,517 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 186 transitions. [2023-11-23 20:27:27,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-23 20:27:27,518 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:27,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:27,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:27,561 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 20:27:27,563 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:27,785 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:27:29,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:29,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 114 states and 211 transitions. [2023-11-23 20:27:29,307 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 211 transitions. [2023-11-23 20:27:29,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-23 20:27:29,308 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:29,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:29,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:29,355 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 20:27:29,364 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:29,456 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:27:29,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:29,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 116 states and 213 transitions. [2023-11-23 20:27:29,776 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 213 transitions. [2023-11-23 20:27:29,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-23 20:27:29,778 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:29,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:29,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:29,824 INFO L262 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 20:27:29,829 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:29,989 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:27:30,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:30,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 120 states and 223 transitions. [2023-11-23 20:27:30,539 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 223 transitions. [2023-11-23 20:27:30,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-23 20:27:30,540 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:30,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:30,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:30,589 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-23 20:27:30,592 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:31,308 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:27:33,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:33,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 124 states and 233 transitions. [2023-11-23 20:27:33,052 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 233 transitions. [2023-11-23 20:27:33,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-23 20:27:33,057 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:33,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:33,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:33,099 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-23 20:27:33,101 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:33,265 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:27:34,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:34,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 128 states and 241 transitions. [2023-11-23 20:27:34,205 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 241 transitions. [2023-11-23 20:27:34,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-23 20:27:34,206 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:34,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:34,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:34,244 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-23 20:27:34,246 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:34,482 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:27:34,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:34,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 130 states and 246 transitions. [2023-11-23 20:27:34,996 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 246 transitions. [2023-11-23 20:27:34,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-23 20:27:34,997 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:34,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:35,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:35,051 INFO L262 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-23 20:27:35,053 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:35,227 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:27:35,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:35,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 134 states and 256 transitions. [2023-11-23 20:27:35,682 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 256 transitions. [2023-11-23 20:27:35,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-23 20:27:35,683 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:35,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:35,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:35,729 INFO L262 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-23 20:27:35,731 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:35,977 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:27:36,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:36,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 134 states and 255 transitions. [2023-11-23 20:27:36,518 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 255 transitions. [2023-11-23 20:27:36,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-23 20:27:36,520 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:36,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:36,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:36,563 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-23 20:27:36,565 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:36,757 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:27:37,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:37,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 139 states and 264 transitions. [2023-11-23 20:27:37,890 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 264 transitions. [2023-11-23 20:27:37,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-23 20:27:37,891 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:37,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:37,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:37,947 INFO L262 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-23 20:27:37,948 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:38,181 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:27:39,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:39,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 146 states and 285 transitions. [2023-11-23 20:27:39,036 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 285 transitions. [2023-11-23 20:27:39,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-23 20:27:39,037 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:39,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:39,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:39,089 INFO L262 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-23 20:27:39,091 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:39,318 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:27:39,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:39,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 146 states and 284 transitions. [2023-11-23 20:27:39,862 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 284 transitions. [2023-11-23 20:27:39,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-23 20:27:39,863 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:39,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:39,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:39,907 INFO L262 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-23 20:27:39,909 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:39,987 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 2 proven. 26 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:27:41,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:41,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 154 states and 311 transitions. [2023-11-23 20:27:41,328 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 311 transitions. [2023-11-23 20:27:41,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-23 20:27:41,329 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:41,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:41,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:41,399 INFO L262 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-23 20:27:41,401 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:41,492 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 2 proven. 30 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:27:41,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:41,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 156 states and 313 transitions. [2023-11-23 20:27:41,558 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 313 transitions. [2023-11-23 20:27:41,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-23 20:27:41,559 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:41,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:41,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:41,598 INFO L262 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-23 20:27:41,600 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:41,695 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:27:42,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:42,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 160 states and 326 transitions. [2023-11-23 20:27:42,313 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 326 transitions. [2023-11-23 20:27:42,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-23 20:27:42,315 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:42,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:42,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:42,370 INFO L262 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-23 20:27:42,372 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:42,843 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:27:43,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:43,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 160 states and 318 transitions. [2023-11-23 20:27:43,583 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 318 transitions. [2023-11-23 20:27:43,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-23 20:27:43,583 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:43,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:43,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:43,624 INFO L262 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-23 20:27:43,626 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:43,908 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:27:45,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:45,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 166 states and 336 transitions. [2023-11-23 20:27:45,228 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 336 transitions. [2023-11-23 20:27:45,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-23 20:27:45,229 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:45,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:45,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:45,269 INFO L262 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-23 20:27:45,271 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:45,726 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:27:46,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:46,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 166 states and 331 transitions. [2023-11-23 20:27:46,637 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 331 transitions. [2023-11-23 20:27:46,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-23 20:27:46,638 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:46,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:46,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:46,682 INFO L262 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-23 20:27:46,684 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:47,138 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:27:47,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:47,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 166 states and 325 transitions. [2023-11-23 20:27:47,528 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 325 transitions. [2023-11-23 20:27:47,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-23 20:27:47,529 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:47,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:47,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:47,573 INFO L262 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-23 20:27:47,575 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:47,864 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:27:49,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:49,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 173 states and 345 transitions. [2023-11-23 20:27:49,396 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 345 transitions. [2023-11-23 20:27:49,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-23 20:27:49,397 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:49,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:49,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:49,437 INFO L262 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-23 20:27:49,439 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:49,801 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:27:50,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:50,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 176 states and 351 transitions. [2023-11-23 20:27:50,384 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 351 transitions. [2023-11-23 20:27:50,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-23 20:27:50,385 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:50,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:50,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:50,438 INFO L262 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-23 20:27:50,440 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:50,635 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 3 proven. 38 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:27:51,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:51,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 181 states and 357 transitions. [2023-11-23 20:27:51,801 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 357 transitions. [2023-11-23 20:27:51,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-23 20:27:51,802 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:51,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:51,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:51,845 INFO L262 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-23 20:27:51,847 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:52,084 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:27:52,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:52,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 181 states and 355 transitions. [2023-11-23 20:27:52,646 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 355 transitions. [2023-11-23 20:27:52,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-23 20:27:52,648 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:52,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:52,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:52,692 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-23 20:27:52,694 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:52,778 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 4 proven. 36 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:27:53,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:53,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 185 states and 368 transitions. [2023-11-23 20:27:53,660 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 368 transitions. [2023-11-23 20:27:53,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-23 20:27:53,662 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:53,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:53,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:53,702 INFO L262 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-23 20:27:53,704 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:53,796 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 2 proven. 50 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:27:55,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:55,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 193 states and 397 transitions. [2023-11-23 20:27:55,726 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 397 transitions. [2023-11-23 20:27:55,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-23 20:27:55,727 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:55,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:55,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:55,767 INFO L262 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-23 20:27:55,770 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:55,865 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 2 proven. 56 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:27:56,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:56,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 195 states and 399 transitions. [2023-11-23 20:27:56,081 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 399 transitions. [2023-11-23 20:27:56,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-23 20:27:56,082 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:56,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:56,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:56,131 INFO L262 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:27:56,133 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:27:56,829 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-11-23 20:28:01,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:01,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 207 states and 421 transitions. [2023-11-23 20:28:01,356 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 421 transitions. [2023-11-23 20:28:01,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-23 20:28:01,357 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:01,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:01,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:01,405 INFO L262 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-23 20:28:01,407 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:02,126 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:28:02,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:02,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 207 states and 414 transitions. [2023-11-23 20:28:02,723 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 414 transitions. [2023-11-23 20:28:02,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-23 20:28:02,724 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:02,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:02,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:02,767 INFO L262 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-23 20:28:02,770 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:03,539 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:28:06,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:06,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 215 states and 417 transitions. [2023-11-23 20:28:06,616 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 417 transitions. [2023-11-23 20:28:06,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-23 20:28:06,618 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:06,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:06,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:06,673 INFO L262 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-23 20:28:06,678 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:07,298 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.