./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_valuebound50.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_d0c13643-6c22-4ea9-b1ac-af08e6e71871/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c13643-6c22-4ea9-b1ac-af08e6e71871/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_d0c13643-6c22-4ea9-b1ac-af08e6e71871/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c13643-6c22-4ea9-b1ac-af08e6e71871/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_valuebound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c13643-6c22-4ea9-b1ac-af08e6e71871/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_d0c13643-6c22-4ea9-b1ac-af08e6e71871/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 352373f9b097794e6947f5064b04543cec809ba042ac0b3a931e0e161838d7d3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:05:12,586 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:05:12,704 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c13643-6c22-4ea9-b1ac-af08e6e71871/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:05:12,710 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:05:12,711 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:05:12,750 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:05:12,751 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:05:12,752 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:05:12,753 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:05:12,758 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:05:12,759 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:05:12,759 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:05:12,760 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:05:12,761 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:05:12,762 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:05:12,762 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:05:12,763 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:05:12,763 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:05:12,764 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:05:12,764 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:05:12,764 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:05:12,765 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:05:12,766 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:05:12,766 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:05:12,767 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:05:12,767 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:05:12,768 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:05:12,768 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:05:12,769 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:05:12,769 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:05:12,771 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:05:12,771 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:05:12,771 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:05:12,771 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:05:12,772 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:05:12,772 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_d0c13643-6c22-4ea9-b1ac-af08e6e71871/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c13643-6c22-4ea9-b1ac-af08e6e71871/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 352373f9b097794e6947f5064b04543cec809ba042ac0b3a931e0e161838d7d3 [2023-11-23 20:05:13,121 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:05:13,152 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:05:13,155 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:05:13,156 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:05:13,157 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:05:13,158 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c13643-6c22-4ea9-b1ac-af08e6e71871/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_valuebound50.c [2023-11-23 20:05:16,207 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:05:16,467 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:05:16,467 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c13643-6c22-4ea9-b1ac-af08e6e71871/sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_valuebound50.c [2023-11-23 20:05:16,476 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c13643-6c22-4ea9-b1ac-af08e6e71871/bin/ukojak-verify-1t5iHCbJaC/data/7d8c03866/ca36444f475046e1aaab83c895813f32/FLAG949498e3d [2023-11-23 20:05:16,495 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c13643-6c22-4ea9-b1ac-af08e6e71871/bin/ukojak-verify-1t5iHCbJaC/data/7d8c03866/ca36444f475046e1aaab83c895813f32 [2023-11-23 20:05:16,502 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:05:16,505 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:05:16,509 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:05:16,510 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:05:16,516 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:05:16,517 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:05:16" (1/1) ... [2023-11-23 20:05:16,518 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62f9c992 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:16, skipping insertion in model container [2023-11-23 20:05:16,519 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:05:16" (1/1) ... [2023-11-23 20:05:16,545 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:05:16,801 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:05:16,819 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:05:16,838 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:05:16,854 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:05:16,854 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:16 WrapperNode [2023-11-23 20:05:16,855 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:05:16,856 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:05:16,856 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:05:16,857 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:05:16,865 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:16" (1/1) ... [2023-11-23 20:05:16,873 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:16" (1/1) ... [2023-11-23 20:05:16,898 INFO L138 Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 65 [2023-11-23 20:05:16,904 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:05:16,905 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:05:16,905 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:05:16,905 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:05:16,916 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:16" (1/1) ... [2023-11-23 20:05:16,917 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:16" (1/1) ... [2023-11-23 20:05:16,921 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:16" (1/1) ... [2023-11-23 20:05:16,922 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:16" (1/1) ... [2023-11-23 20:05:16,936 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:16" (1/1) ... [2023-11-23 20:05:16,940 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:16" (1/1) ... [2023-11-23 20:05:16,941 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:16" (1/1) ... [2023-11-23 20:05:16,942 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:16" (1/1) ... [2023-11-23 20:05:16,944 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:05:16,945 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:05:16,945 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:05:16,945 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:05:16,946 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:16" (1/1) ... [2023-11-23 20:05:16,964 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:05:16,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c13643-6c22-4ea9-b1ac-af08e6e71871/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:05:16,997 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c13643-6c22-4ea9-b1ac-af08e6e71871/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:05:17,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0c13643-6c22-4ea9-b1ac-af08e6e71871/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:05:17,047 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:05:17,047 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:05:17,047 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:05:17,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:05:17,049 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:05:17,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:05:17,050 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:05:17,051 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:05:17,133 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:05:17,135 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:05:17,460 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:05:17,505 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:05:17,509 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:05:17,511 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:05:17 BoogieIcfgContainer [2023-11-23 20:05:17,511 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:05:17,512 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:05:17,514 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:05:17,526 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:05:17,526 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:05:17" (1/1) ... [2023-11-23 20:05:17,539 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:05:17,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:17,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 49 states and 54 transitions. [2023-11-23 20:05:17,620 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 54 transitions. [2023-11-23 20:05:17,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:05:17,626 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:17,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:17,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:17,838 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-23 20:05:17,845 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:18,136 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 20:05:18,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:18,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 51 states and 56 transitions. [2023-11-23 20:05:18,375 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 56 transitions. [2023-11-23 20:05:18,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 20:05:18,376 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:18,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:18,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:18,422 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-23 20:05:18,424 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:18,548 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 20:05:18,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:18,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 54 states and 60 transitions. [2023-11-23 20:05:18,673 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 60 transitions. [2023-11-23 20:05:18,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:05:18,674 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:18,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:18,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:18,748 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:05:18,750 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:18,822 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 20:05:19,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:19,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 58 states and 66 transitions. [2023-11-23 20:05:19,061 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 66 transitions. [2023-11-23 20:05:19,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:05:19,062 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:19,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:19,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:19,092 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:05:19,094 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:19,184 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 20:05:19,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:19,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 63 states and 74 transitions. [2023-11-23 20:05:19,693 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 74 transitions. [2023-11-23 20:05:19,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 20:05:19,694 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:19,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:19,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:19,723 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-23 20:05:19,725 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:19,843 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 20:05:20,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:20,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 69 states and 84 transitions. [2023-11-23 20:05:20,398 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 84 transitions. [2023-11-23 20:05:20,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:05:20,399 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:20,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:20,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:20,425 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-23 20:05:20,427 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:20,512 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 20:05:20,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:20,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 70 states and 86 transitions. [2023-11-23 20:05:20,544 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 86 transitions. [2023-11-23 20:05:20,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 20:05:20,545 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:20,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:20,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:20,571 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:05:20,573 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:20,681 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 20:05:20,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:20,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 73 states and 91 transitions. [2023-11-23 20:05:20,747 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 91 transitions. [2023-11-23 20:05:20,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:05:20,748 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:20,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:20,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:20,810 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:05:20,811 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:20,855 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 20:05:20,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:20,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 72 states and 90 transitions. [2023-11-23 20:05:20,995 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 90 transitions. [2023-11-23 20:05:20,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:05:20,996 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:20,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:21,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:21,038 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:05:21,040 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:21,180 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 20:05:22,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:22,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 80 states and 106 transitions. [2023-11-23 20:05:22,698 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 106 transitions. [2023-11-23 20:05:22,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:05:22,699 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:22,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:22,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:22,733 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:05:22,745 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:22,813 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 20:05:22,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:22,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 81 states and 109 transitions. [2023-11-23 20:05:22,888 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 109 transitions. [2023-11-23 20:05:22,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:05:22,895 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:22,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:22,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:22,933 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:05:22,935 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:23,154 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 20:05:25,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:25,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 90 states and 126 transitions. [2023-11-23 20:05:25,228 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 126 transitions. [2023-11-23 20:05:25,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:05:25,229 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:25,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:25,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:25,265 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:05:25,267 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:25,331 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 20:05:25,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:25,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 92 states and 131 transitions. [2023-11-23 20:05:25,497 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 131 transitions. [2023-11-23 20:05:25,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-23 20:05:25,498 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:25,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:25,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:25,524 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:05:25,525 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:25,578 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 20:05:26,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:26,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 94 states and 135 transitions. [2023-11-23 20:05:26,568 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 135 transitions. [2023-11-23 20:05:26,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-23 20:05:26,569 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:26,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:26,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:26,596 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:05:26,598 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:26,711 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 20:05:30,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:30,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 104 states and 155 transitions. [2023-11-23 20:05:30,243 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 155 transitions. [2023-11-23 20:05:30,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 20:05:30,243 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:30,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:30,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:30,292 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:05:30,294 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:30,419 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 20:05:34,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:34,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 115 states and 177 transitions. [2023-11-23 20:05:34,134 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 177 transitions. [2023-11-23 20:05:34,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 20:05:34,135 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:34,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:34,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:34,179 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:05:34,180 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:34,232 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 20:05:34,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:34,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 119 states and 187 transitions. [2023-11-23 20:05:34,804 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 187 transitions. [2023-11-23 20:05:34,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 20:05:34,805 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:34,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:34,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:34,830 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:05:34,831 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:34,868 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 20:05:35,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:35,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 122 states and 192 transitions. [2023-11-23 20:05:35,492 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 192 transitions. [2023-11-23 20:05:35,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-23 20:05:35,495 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:35,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:35,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:35,523 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:05:35,524 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:35,568 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 20:05:36,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:36,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 124 states and 195 transitions. [2023-11-23 20:05:36,035 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 195 transitions. [2023-11-23 20:05:36,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-23 20:05:36,036 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:36,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:36,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:36,063 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-23 20:05:36,065 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:36,350 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:05:38,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:38,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 135 states and 220 transitions. [2023-11-23 20:05:38,724 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 220 transitions. [2023-11-23 20:05:38,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:05:38,725 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:38,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:38,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:38,762 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:05:38,763 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:38,986 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 20:05:39,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:39,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 136 states and 221 transitions. [2023-11-23 20:05:39,268 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 221 transitions. [2023-11-23 20:05:39,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:05:39,269 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:39,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:39,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:39,302 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-23 20:05:39,305 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:39,903 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:05:42,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:42,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 150 states and 251 transitions. [2023-11-23 20:05:42,559 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 251 transitions. [2023-11-23 20:05:42,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 20:05:42,560 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:42,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:42,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:42,607 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:05:42,609 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:42,651 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-23 20:05:43,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:43,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 157 states and 259 transitions. [2023-11-23 20:05:43,792 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 259 transitions. [2023-11-23 20:05:43,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-23 20:05:43,792 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:43,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:43,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:43,844 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:05:43,845 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:43,880 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-23 20:05:44,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:44,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 164 states and 267 transitions. [2023-11-23 20:05:44,939 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 267 transitions. [2023-11-23 20:05:44,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-23 20:05:44,940 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:44,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:44,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:44,969 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-23 20:05:44,971 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:45,699 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 20:05:49,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:49,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 174 states and 284 transitions. [2023-11-23 20:05:49,007 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 284 transitions. [2023-11-23 20:05:49,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-23 20:05:49,008 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:49,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:49,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:49,032 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:05:49,033 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:49,062 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:05:54,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:54,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 185 states and 303 transitions. [2023-11-23 20:05:54,533 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 303 transitions. [2023-11-23 20:05:54,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-23 20:05:54,534 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:54,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:54,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:54,570 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:05:54,571 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:54,648 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:05:55,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:55,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 188 states and 306 transitions. [2023-11-23 20:05:55,181 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 306 transitions. [2023-11-23 20:05:55,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 20:05:55,181 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:55,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:55,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:55,215 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-23 20:05:55,217 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:56,075 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 20:05:59,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:59,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 195 states and 328 transitions. [2023-11-23 20:05:59,587 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 328 transitions. [2023-11-23 20:05:59,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 20:05:59,588 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:59,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:59,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:59,625 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-23 20:05:59,627 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:00,798 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 20:06:03,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:03,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 200 states and 341 transitions. [2023-11-23 20:06:03,133 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 341 transitions. [2023-11-23 20:06:03,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 20:06:03,134 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:03,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:03,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:03,165 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:06:03,166 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:03,198 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:06:09,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:09,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 211 states and 362 transitions. [2023-11-23 20:06:09,923 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 362 transitions. [2023-11-23 20:06:09,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 20:06:09,924 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:09,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:09,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:09,962 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:06:09,964 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:09,992 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.