./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench/prod4br-ll.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22df0022-a87c-43b9-9a5e-d2905ce96625/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22df0022-a87c-43b9-9a5e-d2905ce96625/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_22df0022-a87c-43b9-9a5e-d2905ce96625/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22df0022-a87c-43b9-9a5e-d2905ce96625/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/prod4br-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22df0022-a87c-43b9-9a5e-d2905ce96625/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_22df0022-a87c-43b9-9a5e-d2905ce96625/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 9fc373a278835802938e4c08f2544f1651ce1de6dc177c0a58501e43687c477d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:47:46,718 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:47:46,835 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22df0022-a87c-43b9-9a5e-d2905ce96625/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:47:46,842 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:47:46,843 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:47:46,879 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:47:46,880 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:47:46,881 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:47:46,882 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:47:46,887 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:47:46,889 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:47:46,889 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:47:46,890 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:47:46,891 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:47:46,892 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:47:46,892 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:47:46,893 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:47:46,893 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:47:46,894 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:47:46,895 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:47:46,895 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:47:46,896 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:47:46,896 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:47:46,897 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:47:46,898 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:47:46,898 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:47:46,898 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:47:46,899 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:47:46,899 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:47:46,900 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:47:46,901 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:47:46,902 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:47:46,902 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:47:46,902 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:47:46,902 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:47:46,903 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_22df0022-a87c-43b9-9a5e-d2905ce96625/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22df0022-a87c-43b9-9a5e-d2905ce96625/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9fc373a278835802938e4c08f2544f1651ce1de6dc177c0a58501e43687c477d [2023-11-21 18:47:47,260 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:47:47,290 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:47:47,293 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:47:47,294 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:47:47,295 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:47:47,296 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22df0022-a87c-43b9-9a5e-d2905ce96625/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/nla-digbench/prod4br-ll.c [2023-11-21 18:47:50,381 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:47:50,560 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:47:50,561 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22df0022-a87c-43b9-9a5e-d2905ce96625/sv-benchmarks/c/nla-digbench/prod4br-ll.c [2023-11-21 18:47:50,569 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22df0022-a87c-43b9-9a5e-d2905ce96625/bin/ukojak-verify-i0I2FZA1j2/data/e35bb9e2d/40620d0ed36144ee84a8334ce9250389/FLAG571165d7a [2023-11-21 18:47:50,587 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22df0022-a87c-43b9-9a5e-d2905ce96625/bin/ukojak-verify-i0I2FZA1j2/data/e35bb9e2d/40620d0ed36144ee84a8334ce9250389 [2023-11-21 18:47:50,593 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:47:50,595 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:47:50,600 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:47:50,601 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:47:50,606 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:47:50,607 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:47:50" (1/1) ... [2023-11-21 18:47:50,608 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d3592d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:50, skipping insertion in model container [2023-11-21 18:47:50,609 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:47:50" (1/1) ... [2023-11-21 18:47:50,635 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:47:50,877 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:47:50,889 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:47:50,925 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:47:50,940 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:47:50,940 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:50 WrapperNode [2023-11-21 18:47:50,941 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:47:50,942 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:47:50,942 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:47:50,942 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:47:50,950 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:50" (1/1) ... [2023-11-21 18:47:50,957 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:50" (1/1) ... [2023-11-21 18:47:50,982 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 103 [2023-11-21 18:47:50,982 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:47:50,983 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:47:50,983 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:47:50,983 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:47:50,993 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:50" (1/1) ... [2023-11-21 18:47:50,993 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:50" (1/1) ... [2023-11-21 18:47:50,995 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:50" (1/1) ... [2023-11-21 18:47:50,995 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:50" (1/1) ... [2023-11-21 18:47:50,999 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:50" (1/1) ... [2023-11-21 18:47:51,002 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:50" (1/1) ... [2023-11-21 18:47:51,004 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:50" (1/1) ... [2023-11-21 18:47:51,005 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:50" (1/1) ... [2023-11-21 18:47:51,007 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:47:51,008 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:47:51,008 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:47:51,008 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:47:51,009 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:50" (1/1) ... [2023-11-21 18:47:51,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:47:51,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22df0022-a87c-43b9-9a5e-d2905ce96625/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:47:51,043 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22df0022-a87c-43b9-9a5e-d2905ce96625/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:47:51,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22df0022-a87c-43b9-9a5e-d2905ce96625/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:47:51,095 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:47:51,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:47:51,096 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:47:51,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:47:51,097 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:47:51,097 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:47:51,166 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:47:51,169 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:47:51,512 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:47:51,576 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:47:51,576 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 18:47:51,578 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:47:51 BoogieIcfgContainer [2023-11-21 18:47:51,578 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:47:51,579 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:47:51,579 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:47:51,590 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:47:51,591 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:47:51" (1/1) ... [2023-11-21 18:47:51,602 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:47:51,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:51,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 97 states and 103 transitions. [2023-11-21 18:47:51,695 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 103 transitions. [2023-11-21 18:47:51,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:47:51,697 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:51,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:51,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:51,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:51,920 INFO L262 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:47:51,924 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:51,948 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 18:47:51,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:51,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 97 states and 102 transitions. [2023-11-21 18:47:51,982 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 102 transitions. [2023-11-21 18:47:51,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:47:51,982 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:51,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:52,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:52,034 INFO L262 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:47:52,036 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:52,132 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 18:47:52,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:52,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 99 states and 108 transitions. [2023-11-21 18:47:52,193 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 108 transitions. [2023-11-21 18:47:52,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:47:52,193 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:52,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:52,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:52,229 INFO L262 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:47:52,230 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:52,277 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 18:47:52,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:52,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 102 states and 116 transitions. [2023-11-21 18:47:52,392 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 116 transitions. [2023-11-21 18:47:52,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-21 18:47:52,393 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:52,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:52,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:52,416 INFO L262 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 18:47:52,418 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:52,498 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 18:47:52,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:52,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 106 states and 124 transitions. [2023-11-21 18:47:52,732 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 124 transitions. [2023-11-21 18:47:52,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:47:52,732 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:52,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:52,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:52,771 INFO L262 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 18:47:52,772 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:52,869 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 18:47:52,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:52,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 108 states and 127 transitions. [2023-11-21 18:47:52,998 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 127 transitions. [2023-11-21 18:47:52,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:47:52,999 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:52,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:53,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:53,049 INFO L262 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:47:53,050 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:53,128 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 18:47:53,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:53,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 114 states and 138 transitions. [2023-11-21 18:47:53,590 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 138 transitions. [2023-11-21 18:47:53,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:47:53,590 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:53,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:53,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:53,612 INFO L262 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:47:53,613 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:53,766 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 18:47:54,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:54,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 121 states and 151 transitions. [2023-11-21 18:47:54,629 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 151 transitions. [2023-11-21 18:47:54,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:47:54,630 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:54,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:54,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:54,665 INFO L262 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:47:54,666 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:54,773 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 18:47:55,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:55,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 129 states and 166 transitions. [2023-11-21 18:47:55,602 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 166 transitions. [2023-11-21 18:47:55,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:47:55,603 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:55,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:55,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:55,651 INFO L262 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:47:55,652 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:55,765 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 18:47:56,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:56,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 138 states and 183 transitions. [2023-11-21 18:47:56,866 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 183 transitions. [2023-11-21 18:47:56,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:47:56,870 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:56,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:56,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:56,909 INFO L262 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:47:56,910 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:56,976 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 18:47:57,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:57,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 141 states and 188 transitions. [2023-11-21 18:47:57,219 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 188 transitions. [2023-11-21 18:47:57,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:47:57,220 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:57,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:57,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:57,250 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:47:57,252 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:57,305 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 18:47:57,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:57,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 140 states and 187 transitions. [2023-11-21 18:47:57,695 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 187 transitions. [2023-11-21 18:47:57,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:47:57,696 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:57,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:57,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:57,733 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:47:57,734 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:57,848 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 18:47:59,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:59,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 149 states and 205 transitions. [2023-11-21 18:47:59,403 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 205 transitions. [2023-11-21 18:47:59,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:47:59,404 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:59,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:59,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:59,430 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:47:59,432 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:59,490 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 18:47:59,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:59,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 148 states and 204 transitions. [2023-11-21 18:47:59,564 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 204 transitions. [2023-11-21 18:47:59,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:47:59,565 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:59,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:59,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:59,605 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:47:59,609 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:59,742 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 18:48:01,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:01,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 157 states and 223 transitions. [2023-11-21 18:48:01,633 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 223 transitions. [2023-11-21 18:48:01,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:48:01,634 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:01,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:01,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:01,657 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:48:01,658 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:01,696 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 18:48:01,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:01,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 160 states and 227 transitions. [2023-11-21 18:48:01,754 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 227 transitions. [2023-11-21 18:48:01,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:48:01,755 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:01,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:01,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:01,782 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:48:01,784 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:01,846 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 18:48:01,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:01,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 159 states and 226 transitions. [2023-11-21 18:48:01,951 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 226 transitions. [2023-11-21 18:48:01,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:48:01,960 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:01,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:01,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:01,980 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:48:01,981 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:02,004 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 18:48:02,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:02,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 162 states and 230 transitions. [2023-11-21 18:48:02,327 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 230 transitions. [2023-11-21 18:48:02,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:48:02,328 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:02,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:02,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:02,349 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:48:02,350 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:02,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:48:05,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:05,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 172 states and 251 transitions. [2023-11-21 18:48:05,341 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 251 transitions. [2023-11-21 18:48:05,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:48:05,341 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:05,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:05,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:05,363 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:48:05,374 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:05,688 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:48:16,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:16,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 177 states and 262 transitions. [2023-11-21 18:48:16,994 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 262 transitions. [2023-11-21 18:48:16,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:48:16,995 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:16,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:17,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:17,014 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:48:17,015 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:17,038 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 18:48:17,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:17,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 180 states and 266 transitions. [2023-11-21 18:48:17,087 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 266 transitions. [2023-11-21 18:48:17,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:48:17,088 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:17,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:17,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:17,107 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:48:17,108 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:17,207 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 18:48:20,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:20,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 191 states and 290 transitions. [2023-11-21 18:48:20,497 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 290 transitions. [2023-11-21 18:48:20,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:48:20,498 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:20,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:20,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:20,518 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:48:20,520 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:20,714 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 18:48:23,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:23,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 202 states and 312 transitions. [2023-11-21 18:48:23,976 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 312 transitions. [2023-11-21 18:48:23,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:48:23,976 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:23,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:23,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:23,997 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:48:23,998 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:24,154 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 18:48:25,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:25,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 206 states and 319 transitions. [2023-11-21 18:48:25,198 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 319 transitions. [2023-11-21 18:48:25,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:48:25,199 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:25,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:25,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:25,222 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:48:25,224 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:25,504 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:48:27,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:27,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 205 states and 318 transitions. [2023-11-21 18:48:27,877 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 318 transitions. [2023-11-21 18:48:27,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:48:27,877 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:27,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:27,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:27,901 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:48:27,902 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:27,933 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 18:48:28,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:28,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 209 states and 325 transitions. [2023-11-21 18:48:28,433 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 325 transitions. [2023-11-21 18:48:28,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:48:28,434 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:28,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:28,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:28,451 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:48:28,453 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:28,705 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 18:48:29,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:29,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 213 states and 332 transitions. [2023-11-21 18:48:29,781 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 332 transitions. [2023-11-21 18:48:29,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:48:29,781 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:29,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:29,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:29,800 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:48:29,801 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:30,001 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 18:48:31,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:31,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 217 states and 338 transitions. [2023-11-21 18:48:31,127 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 338 transitions. [2023-11-21 18:48:31,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:48:31,128 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:31,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:31,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:31,153 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:48:31,154 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:31,287 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 18:48:33,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:33,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 222 states and 348 transitions. [2023-11-21 18:48:33,212 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 348 transitions. [2023-11-21 18:48:33,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:48:33,213 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:33,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:33,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:33,232 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:48:33,233 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:33,260 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 18:48:33,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:33,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 226 states and 354 transitions. [2023-11-21 18:48:33,514 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 354 transitions. [2023-11-21 18:48:33,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:48:33,515 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:33,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:33,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:33,533 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:48:33,534 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:33,796 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 18:48:35,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:35,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 230 states and 360 transitions. [2023-11-21 18:48:35,190 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 360 transitions. [2023-11-21 18:48:35,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:48:35,190 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:35,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:35,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:35,209 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:48:35,210 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:35,576 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 18:48:38,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:38,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 242 states and 382 transitions. [2023-11-21 18:48:38,740 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 382 transitions. [2023-11-21 18:48:38,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:48:38,741 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:38,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:38,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:38,763 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:48:38,763 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:38,926 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 18:48:40,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:40,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 248 states and 394 transitions. [2023-11-21 18:48:40,839 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 394 transitions. [2023-11-21 18:48:40,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:48:40,840 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:40,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:40,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:40,860 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:48:40,861 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:41,289 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 18:48:42,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:42,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 250 states and 397 transitions. [2023-11-21 18:48:42,871 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 397 transitions. [2023-11-21 18:48:42,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:48:42,872 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:42,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:42,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:42,893 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:48:42,893 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:43,361 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 18:48:45,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:45,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 256 states and 407 transitions. [2023-11-21 18:48:45,475 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 407 transitions. [2023-11-21 18:48:45,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:48:45,476 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:45,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:45,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:45,494 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:48:45,495 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:45,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.