./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_3c2c008d-a8fd-4cd0-a1dd-47bbd6999529/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c2c008d-a8fd-4cd0-a1dd-47bbd6999529/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c2c008d-a8fd-4cd0-a1dd-47bbd6999529/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c2c008d-a8fd-4cd0-a1dd-47bbd6999529/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c2c008d-a8fd-4cd0-a1dd-47bbd6999529/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c2c008d-a8fd-4cd0-a1dd-47bbd6999529/bin/ukojak-verify-1t5iHCbJaC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a8cbadc91a04c54d3edeab185746e7079308438831f961005daba56edf159b5c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:15:43,782 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:15:43,854 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c2c008d-a8fd-4cd0-a1dd-47bbd6999529/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:15:43,860 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:15:43,860 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:15:43,887 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:15:43,888 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:15:43,888 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:15:43,889 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:15:43,890 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:15:43,891 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:15:43,891 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:15:43,892 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:15:43,893 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:15:43,893 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:15:43,894 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:15:43,894 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:15:43,895 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:15:43,896 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:15:43,896 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:15:43,897 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:15:43,898 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:15:43,898 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:15:43,899 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:15:43,899 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:15:43,900 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:15:43,901 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:15:43,901 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:15:43,902 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:15:43,902 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:15:43,903 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:15:43,903 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:15:43,904 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:15:43,904 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:15:43,905 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:15:43,905 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_3c2c008d-a8fd-4cd0-a1dd-47bbd6999529/bin/ukojak-verify-1t5iHCbJaC/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c2c008d-a8fd-4cd0-a1dd-47bbd6999529/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a8cbadc91a04c54d3edeab185746e7079308438831f961005daba56edf159b5c [2023-11-23 20:15:44,168 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:15:44,202 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:15:44,205 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:15:44,207 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:15:44,208 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:15:44,210 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c2c008d-a8fd-4cd0-a1dd-47bbd6999529/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound2.c [2023-11-23 20:15:47,253 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:15:47,487 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:15:47,487 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c2c008d-a8fd-4cd0-a1dd-47bbd6999529/sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound2.c [2023-11-23 20:15:47,495 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c2c008d-a8fd-4cd0-a1dd-47bbd6999529/bin/ukojak-verify-1t5iHCbJaC/data/b12d19e36/135a00c5773f451e8c3f412c669d9406/FLAG73f96d212 [2023-11-23 20:15:47,511 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c2c008d-a8fd-4cd0-a1dd-47bbd6999529/bin/ukojak-verify-1t5iHCbJaC/data/b12d19e36/135a00c5773f451e8c3f412c669d9406 [2023-11-23 20:15:47,514 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:15:47,515 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:15:47,517 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:15:47,517 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:15:47,522 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:15:47,523 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:15:47" (1/1) ... [2023-11-23 20:15:47,524 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46d8ec4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:47, skipping insertion in model container [2023-11-23 20:15:47,525 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:15:47" (1/1) ... [2023-11-23 20:15:47,547 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:15:47,734 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:15:47,750 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:15:47,768 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:15:47,783 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:15:47,783 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:47 WrapperNode [2023-11-23 20:15:47,784 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:15:47,785 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:15:47,785 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:15:47,785 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:15:47,793 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:47" (1/1) ... [2023-11-23 20:15:47,801 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:47" (1/1) ... [2023-11-23 20:15:47,824 INFO L138 Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 84 [2023-11-23 20:15:47,824 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:15:47,825 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:15:47,825 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:15:47,825 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:15:47,836 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:47" (1/1) ... [2023-11-23 20:15:47,836 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:47" (1/1) ... [2023-11-23 20:15:47,850 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:47" (1/1) ... [2023-11-23 20:15:47,852 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:47" (1/1) ... [2023-11-23 20:15:47,856 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:47" (1/1) ... [2023-11-23 20:15:47,870 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:47" (1/1) ... [2023-11-23 20:15:47,872 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:47" (1/1) ... [2023-11-23 20:15:47,873 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:47" (1/1) ... [2023-11-23 20:15:47,875 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:15:47,876 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:15:47,876 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:15:47,877 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:15:47,878 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:47" (1/1) ... [2023-11-23 20:15:47,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:15:47,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c2c008d-a8fd-4cd0-a1dd-47bbd6999529/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:15:47,922 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c2c008d-a8fd-4cd0-a1dd-47bbd6999529/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:15:47,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c2c008d-a8fd-4cd0-a1dd-47bbd6999529/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:15:47,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:15:47,967 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:15:47,967 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:15:47,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:15:47,968 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:15:47,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:15:47,969 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:15:47,970 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:15:48,050 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:15:48,055 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:15:48,439 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:15:48,488 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:15:48,488 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:15:48,490 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:15:48 BoogieIcfgContainer [2023-11-23 20:15:48,490 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:15:48,491 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:15:48,491 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:15:48,502 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:15:48,503 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:15:48" (1/1) ... [2023-11-23 20:15:48,511 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:15:48,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:48,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 77 states and 81 transitions. [2023-11-23 20:15:48,579 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 81 transitions. [2023-11-23 20:15:48,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:15:48,584 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:48,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:48,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:48,789 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-23 20:15:48,795 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:49,119 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 20:15:49,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:49,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 76 states and 80 transitions. [2023-11-23 20:15:49,286 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 80 transitions. [2023-11-23 20:15:49,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 20:15:49,287 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:49,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:49,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:49,360 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-23 20:15:49,366 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:49,503 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 20:15:49,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:49,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 75 states and 79 transitions. [2023-11-23 20:15:49,551 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 79 transitions. [2023-11-23 20:15:49,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:15:49,552 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:49,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:49,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:49,589 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:15:49,591 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:49,631 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:15:49,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:49,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 77 states and 80 transitions. [2023-11-23 20:15:49,928 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 80 transitions. [2023-11-23 20:15:49,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 20:15:49,929 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:49,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:49,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:49,963 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-23 20:15:49,965 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:50,081 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 20:15:50,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:50,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 80 states and 84 transitions. [2023-11-23 20:15:50,436 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 84 transitions. [2023-11-23 20:15:50,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:15:50,437 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:50,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:50,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:50,492 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-23 20:15:50,501 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:50,698 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 20:15:50,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:50,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 81 states and 86 transitions. [2023-11-23 20:15:50,983 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 86 transitions. [2023-11-23 20:15:50,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:15:50,983 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:50,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:51,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:51,033 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 20:15:51,035 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:51,347 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 20:15:51,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:51,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 86 states and 93 transitions. [2023-11-23 20:15:51,915 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 93 transitions. [2023-11-23 20:15:51,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 20:15:51,916 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:51,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:51,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:51,957 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:15:51,960 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:52,057 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:15:52,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:52,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 92 states and 103 transitions. [2023-11-23 20:15:52,771 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 103 transitions. [2023-11-23 20:15:52,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 20:15:52,772 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:52,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:52,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:52,798 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:15:52,800 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:52,906 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:15:53,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:53,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 99 states and 115 transitions. [2023-11-23 20:15:53,789 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 115 transitions. [2023-11-23 20:15:53,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:15:53,790 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:53,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:53,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:53,824 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:15:53,827 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:54,146 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:15:55,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:55,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 107 states and 129 transitions. [2023-11-23 20:15:55,774 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 129 transitions. [2023-11-23 20:15:55,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 20:15:55,775 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:55,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:55,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:55,802 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:15:55,803 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:56,013 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:16:05,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:05,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 116 states and 144 transitions. [2023-11-23 20:16:05,092 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 144 transitions. [2023-11-23 20:16:05,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:16:05,093 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:05,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:05,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:05,122 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:16:05,124 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:05,336 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:16:08,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:08,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 126 states and 158 transitions. [2023-11-23 20:16:08,332 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 158 transitions. [2023-11-23 20:16:08,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:16:08,333 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:08,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:08,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:08,357 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-23 20:16:08,359 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:08,958 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 20:16:10,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:10,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 134 states and 167 transitions. [2023-11-23 20:16:10,609 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 167 transitions. [2023-11-23 20:16:10,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:16:10,610 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:10,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:10,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:10,647 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:16:10,648 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:10,675 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:16:10,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:10,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 137 states and 172 transitions. [2023-11-23 20:16:10,714 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 172 transitions. [2023-11-23 20:16:10,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:16:10,716 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:10,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:10,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:10,741 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:16:10,742 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:10,818 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:16:12,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:12,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 151 states and 192 transitions. [2023-11-23 20:16:12,140 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 192 transitions. [2023-11-23 20:16:12,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 20:16:12,141 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:12,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:12,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:12,168 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:16:12,171 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:12,272 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:16:12,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:12,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 155 states and 199 transitions. [2023-11-23 20:16:12,711 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 199 transitions. [2023-11-23 20:16:12,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 20:16:12,712 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:12,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:12,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:12,737 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:16:12,738 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:12,821 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:16:14,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:14,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 170 states and 221 transitions. [2023-11-23 20:16:14,406 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 221 transitions. [2023-11-23 20:16:14,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-23 20:16:14,407 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:14,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:14,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:14,436 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:16:14,437 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:14,547 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:16:15,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:15,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 176 states and 232 transitions. [2023-11-23 20:16:15,969 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 232 transitions. [2023-11-23 20:16:15,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-23 20:16:15,970 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:15,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:16,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:16,003 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:16:16,004 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:16,031 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:16:16,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:16,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 179 states and 236 transitions. [2023-11-23 20:16:16,682 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 236 transitions. [2023-11-23 20:16:16,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-23 20:16:16,682 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:16,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:16,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:16,709 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:16:16,711 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:16,818 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:16:18,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:18,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 185 states and 246 transitions. [2023-11-23 20:16:18,311 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 246 transitions. [2023-11-23 20:16:18,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-23 20:16:18,312 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:18,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:18,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:18,340 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:16:18,341 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:18,388 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:16:18,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:18,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 189 states and 251 transitions. [2023-11-23 20:16:18,886 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 251 transitions. [2023-11-23 20:16:18,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 20:16:18,886 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:18,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:18,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:18,931 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:16:18,932 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:19,048 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:16:21,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:21,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 196 states and 262 transitions. [2023-11-23 20:16:21,985 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 262 transitions. [2023-11-23 20:16:21,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 20:16:21,986 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:21,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:22,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:22,014 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:16:22,015 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:22,283 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 20:16:24,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:24,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 203 states and 276 transitions. [2023-11-23 20:16:24,089 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 276 transitions. [2023-11-23 20:16:24,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-23 20:16:24,090 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:24,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:24,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:24,152 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:16:24,154 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:24,283 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:16:27,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:27,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 211 states and 289 transitions. [2023-11-23 20:16:27,234 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 289 transitions. [2023-11-23 20:16:27,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-23 20:16:27,234 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:27,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:27,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:27,268 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-23 20:16:27,270 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:28,191 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 20:16:32,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:32,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 220 states and 305 transitions. [2023-11-23 20:16:32,646 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 305 transitions. [2023-11-23 20:16:32,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-23 20:16:32,647 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:32,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:32,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:32,675 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:16:32,677 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:32,806 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:16:36,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:36,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 228 states and 317 transitions. [2023-11-23 20:16:36,932 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 317 transitions. [2023-11-23 20:16:36,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-23 20:16:36,932 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:36,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:36,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:36,960 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:16:36,961 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:37,430 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:16:41,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:41,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 236 states and 330 transitions. [2023-11-23 20:16:41,082 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 330 transitions. [2023-11-23 20:16:41,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-23 20:16:41,083 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:41,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:41,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:41,109 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:16:41,110 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:41,486 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.