./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench/prodbin-ll.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 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_180ce348-9177-467d-b2ba-d496201ea019/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180ce348-9177-467d-b2ba-d496201ea019/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180ce348-9177-467d-b2ba-d496201ea019/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180ce348-9177-467d-b2ba-d496201ea019/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/prodbin-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180ce348-9177-467d-b2ba-d496201ea019/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180ce348-9177-467d-b2ba-d496201ea019/bin/ukojak-verify-i0I2FZA1j2 --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 77bbfba272f7904e5efe099569a5ed86d54de3fd07a8ce9d48301467c5048e30 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:49:32,593 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:49:32,667 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180ce348-9177-467d-b2ba-d496201ea019/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:49:32,671 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:49:32,672 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:49:32,696 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:49:32,697 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:49:32,698 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:49:32,699 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:49:32,699 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:49:32,700 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:49:32,701 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:49:32,701 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:49:32,702 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:49:32,703 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:49:32,703 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:49:32,704 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:49:32,704 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:49:32,705 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:49:32,706 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:49:32,706 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:49:32,707 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:49:32,708 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:49:32,708 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:49:32,709 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:49:32,710 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:49:32,710 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:49:32,711 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:49:32,711 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:49:32,712 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:49:32,713 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:49:32,713 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:49:32,714 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:49:32,714 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:49:32,715 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:49:32,715 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_180ce348-9177-467d-b2ba-d496201ea019/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180ce348-9177-467d-b2ba-d496201ea019/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 77bbfba272f7904e5efe099569a5ed86d54de3fd07a8ce9d48301467c5048e30 [2023-11-21 18:49:33,052 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:49:33,086 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:49:33,089 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:49:33,090 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:49:33,091 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:49:33,093 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180ce348-9177-467d-b2ba-d496201ea019/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/nla-digbench/prodbin-ll.c [2023-11-21 18:49:36,316 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:49:36,547 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:49:36,548 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180ce348-9177-467d-b2ba-d496201ea019/sv-benchmarks/c/nla-digbench/prodbin-ll.c [2023-11-21 18:49:36,558 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180ce348-9177-467d-b2ba-d496201ea019/bin/ukojak-verify-i0I2FZA1j2/data/2d40c2cfe/7bbefa4888684f079bc30f88605dcde8/FLAGecffadf37 [2023-11-21 18:49:36,576 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180ce348-9177-467d-b2ba-d496201ea019/bin/ukojak-verify-i0I2FZA1j2/data/2d40c2cfe/7bbefa4888684f079bc30f88605dcde8 [2023-11-21 18:49:36,583 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:49:36,585 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:49:36,588 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:49:36,588 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:49:36,594 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:49:36,597 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:49:36" (1/1) ... [2023-11-21 18:49:36,598 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17527955 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:36, skipping insertion in model container [2023-11-21 18:49:36,599 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:49:36" (1/1) ... [2023-11-21 18:49:36,625 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:49:36,844 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:49:36,861 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:49:36,891 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:49:36,914 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:49:36,914 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:36 WrapperNode [2023-11-21 18:49:36,946 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:49:36,947 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:49:36,948 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:49:36,948 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:49:36,954 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:36" (1/1) ... [2023-11-21 18:49:36,962 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:36" (1/1) ... [2023-11-21 18:49:37,002 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 66 [2023-11-21 18:49:37,003 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:49:37,004 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:49:37,004 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:49:37,011 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:49:37,022 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:36" (1/1) ... [2023-11-21 18:49:37,023 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:36" (1/1) ... [2023-11-21 18:49:37,029 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:36" (1/1) ... [2023-11-21 18:49:37,030 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:36" (1/1) ... [2023-11-21 18:49:37,034 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:36" (1/1) ... [2023-11-21 18:49:37,046 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:36" (1/1) ... [2023-11-21 18:49:37,047 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:36" (1/1) ... [2023-11-21 18:49:37,048 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:36" (1/1) ... [2023-11-21 18:49:37,050 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:49:37,051 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:49:37,051 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:49:37,051 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:49:37,061 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:36" (1/1) ... [2023-11-21 18:49:37,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:49:37,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180ce348-9177-467d-b2ba-d496201ea019/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:49:37,104 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180ce348-9177-467d-b2ba-d496201ea019/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:49:37,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180ce348-9177-467d-b2ba-d496201ea019/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:49:37,146 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:49:37,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:49:37,146 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:49:37,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:49:37,146 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:49:37,147 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:49:37,224 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:49:37,226 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:49:37,455 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:49:37,501 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:49:37,501 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 18:49:37,503 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:49:37 BoogieIcfgContainer [2023-11-21 18:49:37,503 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:49:37,504 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:49:37,504 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:49:37,521 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:49:37,521 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:49:37" (1/1) ... [2023-11-21 18:49:37,530 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:49:37,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:37,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 42 states and 45 transitions. [2023-11-21 18:49:37,585 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 45 transitions. [2023-11-21 18:49:37,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:49:37,587 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:37,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:37,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:37,700 INFO L262 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:49:37,705 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:37,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:49:37,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:37,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 44 states and 47 transitions. [2023-11-21 18:49:37,861 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 47 transitions. [2023-11-21 18:49:37,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:49:37,861 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:37,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:37,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:37,903 INFO L262 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:49:37,904 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:37,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:49:38,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:38,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 47 states and 52 transitions. [2023-11-21 18:49:38,106 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 52 transitions. [2023-11-21 18:49:38,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-21 18:49:38,107 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:38,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:38,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:38,149 INFO L262 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:49:38,150 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:38,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:49:38,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:38,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 51 states and 59 transitions. [2023-11-21 18:49:38,470 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 59 transitions. [2023-11-21 18:49:38,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:49:38,471 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:38,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:38,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:38,495 INFO L262 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:49:38,496 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:38,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:49:39,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:39,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 56 states and 68 transitions. [2023-11-21 18:49:39,175 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 68 transitions. [2023-11-21 18:49:39,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:49:39,176 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:39,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:39,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:39,196 INFO L262 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:49:39,197 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:39,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:49:40,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:40,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 62 states and 79 transitions. [2023-11-21 18:49:40,012 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 79 transitions. [2023-11-21 18:49:40,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:49:40,013 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:40,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:40,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:40,033 INFO L262 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:49:40,034 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:40,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:49:41,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:41,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 69 states and 92 transitions. [2023-11-21 18:49:41,051 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 92 transitions. [2023-11-21 18:49:41,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:49:41,055 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:41,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:41,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:41,088 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:49:41,089 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:41,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:49:41,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:41,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 72 states and 97 transitions. [2023-11-21 18:49:41,415 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 97 transitions. [2023-11-21 18:49:41,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:49:41,415 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:41,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:41,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:41,436 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:49:41,437 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:41,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:49:41,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:41,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 71 states and 96 transitions. [2023-11-21 18:49:41,673 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 96 transitions. [2023-11-21 18:49:41,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:49:41,674 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:41,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:41,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:41,694 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:49:41,695 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:41,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:49:43,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:43,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 80 states and 115 transitions. [2023-11-21 18:49:43,221 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 115 transitions. [2023-11-21 18:49:43,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:49:43,222 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:43,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:43,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:43,255 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:49:43,262 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:43,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:49:44,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:44,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 87 states and 129 transitions. [2023-11-21 18:49:44,728 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 129 transitions. [2023-11-21 18:49:44,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:49:44,728 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:44,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:44,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:44,757 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:49:44,758 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:44,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:49:46,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:46,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 96 states and 148 transitions. [2023-11-21 18:49:46,469 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 148 transitions. [2023-11-21 18:49:46,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:49:46,470 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:46,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:46,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:46,497 INFO L262 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:49:46,499 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:46,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:49:47,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:48,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 103 states and 162 transitions. [2023-11-21 18:49:48,000 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 162 transitions. [2023-11-21 18:49:48,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:49:48,001 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:48,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:48,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:48,029 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:49:48,030 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:48,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:49:50,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:50,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 113 states and 182 transitions. [2023-11-21 18:49:50,939 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 182 transitions. [2023-11-21 18:49:50,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:49:50,941 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:50,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:50,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:50,970 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:49:50,972 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:51,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:49:52,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:52,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 115 states and 186 transitions. [2023-11-21 18:49:52,050 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 186 transitions. [2023-11-21 18:49:52,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:49:52,050 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:52,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:52,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:52,069 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:49:52,071 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:52,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:49:54,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:54,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 126 states and 213 transitions. [2023-11-21 18:49:54,717 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 213 transitions. [2023-11-21 18:49:54,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:49:54,718 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:54,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:54,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:54,737 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:49:54,738 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:54,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:49:55,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:55,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 130 states and 222 transitions. [2023-11-21 18:49:55,855 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 222 transitions. [2023-11-21 18:49:55,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:49:55,856 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:55,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:55,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:55,876 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:49:55,877 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:55,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:49:56,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:56,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 133 states and 227 transitions. [2023-11-21 18:49:56,518 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 227 transitions. [2023-11-21 18:49:56,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:49:56,519 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:56,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:56,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:56,542 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-21 18:49:56,543 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:56,951 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:49:58,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:58,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 139 states and 246 transitions. [2023-11-21 18:49:58,155 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 246 transitions. [2023-11-21 18:49:58,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:49:58,155 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:58,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:58,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:58,182 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:49:58,193 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:58,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:49:58,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:58,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 141 states and 249 transitions. [2023-11-21 18:49:58,664 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 249 transitions. [2023-11-21 18:49:58,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:49:58,665 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:58,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:58,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:58,693 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 18:49:58,699 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:59,441 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:50:02,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:02,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 146 states and 264 transitions. [2023-11-21 18:50:02,027 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 264 transitions. [2023-11-21 18:50:02,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:50:02,027 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:02,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:02,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:02,057 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:50:02,058 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:02,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:50:02,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:02,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 150 states and 274 transitions. [2023-11-21 18:50:02,919 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 274 transitions. [2023-11-21 18:50:02,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:50:02,920 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:02,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:02,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:02,940 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:50:02,941 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:02,970 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:50:04,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:04,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 156 states and 283 transitions. [2023-11-21 18:50:04,015 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 283 transitions. [2023-11-21 18:50:04,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:50:04,016 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:04,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:04,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:04,038 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:50:04,039 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:04,082 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:50:06,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:06,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 159 states and 288 transitions. [2023-11-21 18:50:06,263 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 288 transitions. [2023-11-21 18:50:06,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:50:06,264 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:06,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:06,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:06,285 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:50:06,287 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:06,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:50:06,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:06,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 160 states and 289 transitions. [2023-11-21 18:50:06,826 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 289 transitions. [2023-11-21 18:50:06,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:50:06,826 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:06,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:06,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:06,848 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:50:06,849 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:06,887 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-21 18:50:08,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:08,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 166 states and 298 transitions. [2023-11-21 18:50:08,129 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 298 transitions. [2023-11-21 18:50:08,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:50:08,130 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:08,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:08,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:08,152 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:50:08,153 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:08,188 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-21 18:50:09,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:09,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 169 states and 303 transitions. [2023-11-21 18:50:09,564 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 303 transitions. [2023-11-21 18:50:09,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:50:09,565 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:09,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:09,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:09,582 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:50:09,583 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:09,629 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:50:14,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:14,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 180 states and 325 transitions. [2023-11-21 18:50:14,398 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 325 transitions. [2023-11-21 18:50:14,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:50:14,399 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:14,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:14,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:14,426 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:50:14,427 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:14,460 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:50:15,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:15,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 183 states and 330 transitions. [2023-11-21 18:50:15,533 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 330 transitions. [2023-11-21 18:50:15,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:50:15,534 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:15,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:15,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:15,552 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:50:15,553 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:15,579 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:50:15,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:15,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 185 states and 333 transitions. [2023-11-21 18:50:15,909 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 333 transitions. [2023-11-21 18:50:15,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:50:15,910 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:15,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:15,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:15,932 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-21 18:50:15,933 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:17,563 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:50:21,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:21,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 191 states and 352 transitions. [2023-11-21 18:50:21,431 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 352 transitions. [2023-11-21 18:50:21,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:50:21,432 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:21,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:21,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:21,451 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-21 18:50:21,452 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:25,038 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:50:25,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:25,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 191 states and 351 transitions. [2023-11-21 18:50:25,911 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 351 transitions. [2023-11-21 18:50:25,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:50:25,912 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:25,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:25,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:25,930 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:50:25,931 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:25,960 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.