./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound20.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_98e03de2-79f4-41eb-8437-12e5675acc90/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e03de2-79f4-41eb-8437-12e5675acc90/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_98e03de2-79f4-41eb-8437-12e5675acc90/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e03de2-79f4-41eb-8437-12e5675acc90/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e03de2-79f4-41eb-8437-12e5675acc90/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_98e03de2-79f4-41eb-8437-12e5675acc90/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 20f9ce6814caacb533e5bf2143ac3e067387f11238548a0b9b41e2de8e2cc436 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:19:51,128 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:19:51,258 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e03de2-79f4-41eb-8437-12e5675acc90/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:19:51,265 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:19:51,266 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:19:51,317 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:19:51,320 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:19:51,321 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:19:51,323 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:19:51,329 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:19:51,330 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:19:51,330 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:19:51,331 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:19:51,333 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:19:51,334 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:19:51,334 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:19:51,335 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:19:51,336 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:19:51,336 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:19:51,337 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:19:51,337 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:19:51,338 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:19:51,339 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:19:51,339 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:19:51,340 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:19:51,340 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:19:51,341 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:19:51,341 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:19:51,342 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:19:51,343 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:19:51,343 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:19:51,344 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:19:51,344 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:19:51,345 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:19:51,345 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:19:51,345 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_98e03de2-79f4-41eb-8437-12e5675acc90/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e03de2-79f4-41eb-8437-12e5675acc90/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 20f9ce6814caacb533e5bf2143ac3e067387f11238548a0b9b41e2de8e2cc436 [2023-11-23 20:19:51,649 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:19:51,687 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:19:51,691 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:19:51,692 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:19:51,693 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:19:51,695 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e03de2-79f4-41eb-8437-12e5675acc90/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound20.c [2023-11-23 20:19:55,434 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:19:55,775 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:19:55,776 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e03de2-79f4-41eb-8437-12e5675acc90/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound20.c [2023-11-23 20:19:55,790 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e03de2-79f4-41eb-8437-12e5675acc90/bin/ukojak-verify-1t5iHCbJaC/data/dfcc131c2/41aca479e5764a9eabaa07af69385143/FLAG5837c0dc9 [2023-11-23 20:19:55,813 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e03de2-79f4-41eb-8437-12e5675acc90/bin/ukojak-verify-1t5iHCbJaC/data/dfcc131c2/41aca479e5764a9eabaa07af69385143 [2023-11-23 20:19:55,820 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:19:55,823 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:19:55,830 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:19:55,830 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:19:55,838 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:19:55,839 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:19:55" (1/1) ... [2023-11-23 20:19:55,841 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@729ee893 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:55, skipping insertion in model container [2023-11-23 20:19:55,841 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:19:55" (1/1) ... [2023-11-23 20:19:55,878 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:19:56,215 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:19:56,241 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:19:56,295 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:19:56,319 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:19:56,320 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:56 WrapperNode [2023-11-23 20:19:56,320 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:19:56,322 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:19:56,322 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:19:56,323 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:19:56,333 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:56" (1/1) ... [2023-11-23 20:19:56,358 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:56" (1/1) ... [2023-11-23 20:19:56,406 INFO L138 Inliner]: procedures = 14, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 119 [2023-11-23 20:19:56,409 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:19:56,410 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:19:56,411 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:19:56,411 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:19:56,425 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:56" (1/1) ... [2023-11-23 20:19:56,426 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:56" (1/1) ... [2023-11-23 20:19:56,435 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:56" (1/1) ... [2023-11-23 20:19:56,435 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:56" (1/1) ... [2023-11-23 20:19:56,453 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:56" (1/1) ... [2023-11-23 20:19:56,459 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:56" (1/1) ... [2023-11-23 20:19:56,470 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:56" (1/1) ... [2023-11-23 20:19:56,472 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:56" (1/1) ... [2023-11-23 20:19:56,475 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:19:56,484 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:19:56,485 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:19:56,485 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:19:56,486 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:56" (1/1) ... [2023-11-23 20:19:56,494 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:19:56,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e03de2-79f4-41eb-8437-12e5675acc90/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:19:56,529 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e03de2-79f4-41eb-8437-12e5675acc90/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:19:56,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98e03de2-79f4-41eb-8437-12e5675acc90/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:19:56,583 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:19:56,583 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:19:56,584 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:19:56,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:19:56,585 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:19:56,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:19:56,587 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:19:56,587 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:19:56,679 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:19:56,682 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:19:57,355 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:19:57,413 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:19:57,414 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:19:57,416 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:19:57 BoogieIcfgContainer [2023-11-23 20:19:57,417 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:19:57,418 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:19:57,418 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:19:57,433 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:19:57,434 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:19:57" (1/1) ... [2023-11-23 20:19:57,447 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:19:57,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:57,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 135 states and 146 transitions. [2023-11-23 20:19:57,590 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 146 transitions. [2023-11-23 20:19:57,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:19:57,595 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:57,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:57,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:57,906 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 20:19:57,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:57,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 135 states and 145 transitions. [2023-11-23 20:19:57,959 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 145 transitions. [2023-11-23 20:19:57,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:19:57,961 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:57,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:58,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:58,064 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:19:58,080 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:58,168 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 20:19:58,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:58,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 137 states and 149 transitions. [2023-11-23 20:19:58,213 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 149 transitions. [2023-11-23 20:19:58,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 20:19:58,214 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:58,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:58,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:58,275 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:19:58,277 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:58,333 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 20:19:58,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:58,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 138 states and 150 transitions. [2023-11-23 20:19:58,392 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 150 transitions. [2023-11-23 20:19:58,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:19:58,394 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:58,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:58,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:58,445 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:19:58,447 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:58,470 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 20:19:58,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:58,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 142 states and 157 transitions. [2023-11-23 20:19:58,581 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 157 transitions. [2023-11-23 20:19:58,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:19:58,582 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:58,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:58,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:58,628 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:19:58,630 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:58,647 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 20:19:58,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:58,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 143 states and 158 transitions. [2023-11-23 20:19:58,668 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 158 transitions. [2023-11-23 20:19:58,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 20:19:58,670 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:58,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:58,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:58,713 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:19:58,716 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:58,820 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 20:19:58,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:58,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 146 states and 161 transitions. [2023-11-23 20:19:58,913 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 161 transitions. [2023-11-23 20:19:58,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 20:19:58,915 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:58,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:58,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:58,968 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:19:58,970 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:59,060 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 20:19:59,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:59,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 147 states and 162 transitions. [2023-11-23 20:19:59,093 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 162 transitions. [2023-11-23 20:19:59,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:19:59,094 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:59,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:59,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:59,159 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:19:59,162 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:59,218 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 20:19:59,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:59,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 156 states and 175 transitions. [2023-11-23 20:19:59,414 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 175 transitions. [2023-11-23 20:19:59,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-23 20:19:59,415 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:59,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:59,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:59,473 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:19:59,475 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:59,502 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 20:19:59,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:59,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 157 states and 176 transitions. [2023-11-23 20:19:59,526 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 176 transitions. [2023-11-23 20:19:59,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 20:19:59,527 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:59,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:59,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:59,570 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:19:59,573 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:19:59,728 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 20:20:00,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:00,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 168 states and 192 transitions. [2023-11-23 20:20:00,232 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 192 transitions. [2023-11-23 20:20:00,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 20:20:00,233 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:00,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:00,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:00,289 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:20:00,291 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:00,472 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 20:20:01,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:01,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 180 states and 210 transitions. [2023-11-23 20:20:01,255 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 210 transitions. [2023-11-23 20:20:01,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-23 20:20:01,256 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:01,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:01,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:01,294 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:20:01,296 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:01,414 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 20:20:01,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:01,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 183 states and 215 transitions. [2023-11-23 20:20:01,671 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 215 transitions. [2023-11-23 20:20:01,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:20:01,672 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:01,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:01,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:01,703 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:20:01,705 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:01,909 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 20:20:02,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:02,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 184 states and 216 transitions. [2023-11-23 20:20:02,354 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 216 transitions. [2023-11-23 20:20:02,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 20:20:02,355 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:02,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:02,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:02,401 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:20:02,403 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:02,430 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-23 20:20:03,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:03,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 193 states and 231 transitions. [2023-11-23 20:20:03,426 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 231 transitions. [2023-11-23 20:20:03,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-23 20:20:03,427 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:03,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:03,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:03,460 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:20:03,462 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:03,491 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-23 20:20:03,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:03,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 194 states and 232 transitions. [2023-11-23 20:20:03,521 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 232 transitions. [2023-11-23 20:20:03,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-23 20:20:03,522 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:03,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:03,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:03,552 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:20:03,554 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:03,703 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-23 20:20:05,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:05,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 212 states and 258 transitions. [2023-11-23 20:20:05,211 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 258 transitions. [2023-11-23 20:20:05,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-23 20:20:05,212 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:05,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:05,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:05,250 INFO L262 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:20:05,252 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:05,433 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-23 20:20:07,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:07,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 231 states and 286 transitions. [2023-11-23 20:20:07,198 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 286 transitions. [2023-11-23 20:20:07,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-23 20:20:07,199 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:07,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:07,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:07,231 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:20:07,233 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:07,510 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-23 20:20:07,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:07,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 234 states and 291 transitions. [2023-11-23 20:20:07,864 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 291 transitions. [2023-11-23 20:20:07,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-23 20:20:07,865 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:07,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:07,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:07,914 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:20:07,916 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:08,052 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-23 20:20:08,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:08,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 235 states and 292 transitions. [2023-11-23 20:20:08,550 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 292 transitions. [2023-11-23 20:20:08,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-23 20:20:08,552 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:08,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:08,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:08,596 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:20:08,597 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:08,644 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-23 20:20:08,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:08,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 234 states and 291 transitions. [2023-11-23 20:20:08,715 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 291 transitions. [2023-11-23 20:20:08,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-23 20:20:08,716 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:08,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:08,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:08,750 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:20:08,751 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:08,799 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-23 20:20:08,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:08,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 233 states and 290 transitions. [2023-11-23 20:20:08,959 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 290 transitions. [2023-11-23 20:20:08,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-23 20:20:08,959 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:08,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:08,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:08,991 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:20:08,993 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:08,998 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-23 20:20:09,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:09,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 232 states and 289 transitions. [2023-11-23 20:20:09,026 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 289 transitions. [2023-11-23 20:20:09,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-23 20:20:09,027 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:09,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:09,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:09,073 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:20:09,074 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:09,078 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-23 20:20:09,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:09,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 231 states and 288 transitions. [2023-11-23 20:20:09,116 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 288 transitions. [2023-11-23 20:20:09,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-23 20:20:09,120 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:09,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:09,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:09,150 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:20:09,152 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:09,368 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-23 20:20:12,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:12,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 257 states and 327 transitions. [2023-11-23 20:20:12,826 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 327 transitions. [2023-11-23 20:20:12,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-23 20:20:12,827 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:12,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:12,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:12,882 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:20:12,884 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:13,190 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-23 20:20:16,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:16,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 283 states and 364 transitions. [2023-11-23 20:20:16,763 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 364 transitions. [2023-11-23 20:20:16,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-23 20:20:16,764 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:16,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:16,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:16,799 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:20:16,801 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:16,963 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-23 20:20:21,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:21,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 298 states and 389 transitions. [2023-11-23 20:20:21,213 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 389 transitions. [2023-11-23 20:20:21,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-23 20:20:21,214 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:21,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:21,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:21,243 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:20:21,244 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:21,436 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-23 20:20:24,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:24,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 313 states and 414 transitions. [2023-11-23 20:20:24,991 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 414 transitions. [2023-11-23 20:20:24,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-23 20:20:24,992 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:24,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:25,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:25,025 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:20:25,027 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:25,244 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-23 20:20:28,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:28,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 326 states and 436 transitions. [2023-11-23 20:20:28,918 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 436 transitions. [2023-11-23 20:20:28,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-23 20:20:28,919 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:28,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:28,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:28,963 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:20:28,965 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:29,057 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-23 20:20:30,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:30,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 330 states and 442 transitions. [2023-11-23 20:20:30,021 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 442 transitions. [2023-11-23 20:20:30,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-23 20:20:30,021 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:30,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:30,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:30,051 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:20:30,053 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:30,140 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-23 20:20:30,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:30,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 334 states and 448 transitions. [2023-11-23 20:20:30,967 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 448 transitions. [2023-11-23 20:20:30,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-23 20:20:30,967 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:30,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:30,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:30,997 INFO L262 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:20:30,999 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:31,240 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-23 20:20:35,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:35,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 348 states and 471 transitions. [2023-11-23 20:20:35,510 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 471 transitions. [2023-11-23 20:20:35,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-23 20:20:35,510 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:35,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:35,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:35,540 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:20:35,542 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:35,766 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-23 20:20:40,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:40,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 363 states and 498 transitions. [2023-11-23 20:20:40,969 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 498 transitions. [2023-11-23 20:20:40,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-23 20:20:40,970 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:40,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:41,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:41,002 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:20:41,004 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:41,210 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked.