./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound20.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_d5254c59-1006-4e4a-80c4-399c47a41422/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5254c59-1006-4e4a-80c4-399c47a41422/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_d5254c59-1006-4e4a-80c4-399c47a41422/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5254c59-1006-4e4a-80c4-399c47a41422/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5254c59-1006-4e4a-80c4-399c47a41422/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_d5254c59-1006-4e4a-80c4-399c47a41422/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 d6a7b66d62d8261743d542694624b328b551f76289ee08b3039b7ca01c3c317e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:06:28,702 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:06:28,830 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5254c59-1006-4e4a-80c4-399c47a41422/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:06:28,837 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:06:28,838 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:06:28,883 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:06:28,884 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:06:28,885 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:06:28,886 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:06:28,890 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:06:28,891 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:06:28,892 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:06:28,892 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:06:28,894 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:06:28,894 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:06:28,895 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:06:28,895 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:06:28,895 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:06:28,896 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:06:28,896 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:06:28,897 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:06:28,897 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:06:28,899 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:06:28,899 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:06:28,900 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:06:28,901 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:06:28,901 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:06:28,902 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:06:28,902 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:06:28,903 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:06:28,904 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:06:28,904 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:06:28,904 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:06:28,905 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:06:28,905 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:06:28,905 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_d5254c59-1006-4e4a-80c4-399c47a41422/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5254c59-1006-4e4a-80c4-399c47a41422/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d6a7b66d62d8261743d542694624b328b551f76289ee08b3039b7ca01c3c317e [2023-11-23 20:06:29,273 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:06:29,307 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:06:29,310 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:06:29,311 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:06:29,312 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:06:29,314 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5254c59-1006-4e4a-80c4-399c47a41422/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound20.c [2023-11-23 20:06:32,469 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:06:32,710 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:06:32,711 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5254c59-1006-4e4a-80c4-399c47a41422/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound20.c [2023-11-23 20:06:32,720 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5254c59-1006-4e4a-80c4-399c47a41422/bin/ukojak-verify-1t5iHCbJaC/data/93fef2fa4/828535e59ac1486399d51bb201498edd/FLAGbee62e3c4 [2023-11-23 20:06:32,736 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5254c59-1006-4e4a-80c4-399c47a41422/bin/ukojak-verify-1t5iHCbJaC/data/93fef2fa4/828535e59ac1486399d51bb201498edd [2023-11-23 20:06:32,739 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:06:32,741 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:06:32,744 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:06:32,744 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:06:32,750 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:06:32,751 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:06:32" (1/1) ... [2023-11-23 20:06:32,752 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6aa690c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:32, skipping insertion in model container [2023-11-23 20:06:32,752 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:06:32" (1/1) ... [2023-11-23 20:06:32,777 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:06:32,960 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:06:32,981 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:06:33,027 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:06:33,044 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:06:33,044 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:33 WrapperNode [2023-11-23 20:06:33,045 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:06:33,046 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:06:33,046 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:06:33,046 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:06:33,054 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:33" (1/1) ... [2023-11-23 20:06:33,064 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:33" (1/1) ... [2023-11-23 20:06:33,103 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 102 [2023-11-23 20:06:33,113 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:06:33,114 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:06:33,115 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:06:33,115 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:06:33,126 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:33" (1/1) ... [2023-11-23 20:06:33,126 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:33" (1/1) ... [2023-11-23 20:06:33,128 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:33" (1/1) ... [2023-11-23 20:06:33,129 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:33" (1/1) ... [2023-11-23 20:06:33,133 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:33" (1/1) ... [2023-11-23 20:06:33,137 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:33" (1/1) ... [2023-11-23 20:06:33,141 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:33" (1/1) ... [2023-11-23 20:06:33,143 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:33" (1/1) ... [2023-11-23 20:06:33,145 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:06:33,146 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:06:33,147 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:06:33,147 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:06:33,148 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:33" (1/1) ... [2023-11-23 20:06:33,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:06:33,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5254c59-1006-4e4a-80c4-399c47a41422/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:06:33,186 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5254c59-1006-4e4a-80c4-399c47a41422/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:06:33,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5254c59-1006-4e4a-80c4-399c47a41422/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:06:33,256 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:06:33,257 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:06:33,257 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:06:33,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:06:33,257 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:06:33,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:06:33,258 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:06:33,258 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:06:33,358 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:06:33,361 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:06:33,818 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:06:33,854 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:06:33,854 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:06:33,856 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:06:33 BoogieIcfgContainer [2023-11-23 20:06:33,856 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:06:33,857 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:06:33,857 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:06:33,868 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:06:33,869 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:06:33" (1/1) ... [2023-11-23 20:06:33,879 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:06:33,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:33,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 104 states and 112 transitions. [2023-11-23 20:06:33,936 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 112 transitions. [2023-11-23 20:06:33,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:06:33,942 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:33,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:34,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:34,082 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-23 20:06:34,089 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:34,325 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 20:06:34,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:34,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 106 states and 117 transitions. [2023-11-23 20:06:34,512 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 117 transitions. [2023-11-23 20:06:34,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 20:06:34,513 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:34,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:34,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:34,569 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-23 20:06:34,572 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:34,760 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 20:06:35,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:35,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 109 states and 125 transitions. [2023-11-23 20:06:35,174 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 125 transitions. [2023-11-23 20:06:35,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:06:35,175 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:35,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:35,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:35,219 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-23 20:06:35,223 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:35,345 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 20:06:35,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:35,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 113 states and 134 transitions. [2023-11-23 20:06:35,624 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 134 transitions. [2023-11-23 20:06:35,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:06:35,624 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:35,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:35,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:35,675 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-23 20:06:35,677 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:35,861 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 20:06:36,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:36,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 118 states and 143 transitions. [2023-11-23 20:06:36,275 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 143 transitions. [2023-11-23 20:06:36,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 20:06:36,276 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:36,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:36,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:36,332 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:06:36,334 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:36,429 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 20:06:37,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:37,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 124 states and 154 transitions. [2023-11-23 20:06:37,107 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 154 transitions. [2023-11-23 20:06:37,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:06:37,108 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:37,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:37,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:37,143 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:06:37,144 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:37,387 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 20:06:38,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:38,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 131 states and 167 transitions. [2023-11-23 20:06:38,619 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 167 transitions. [2023-11-23 20:06:38,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:06:38,620 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:38,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:38,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:38,665 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-23 20:06:38,668 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:38,781 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 20:06:40,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:40,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 139 states and 182 transitions. [2023-11-23 20:06:40,571 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 182 transitions. [2023-11-23 20:06:40,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 20:06:40,572 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:40,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:40,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:40,603 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-23 20:06:40,604 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:40,729 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 20:06:40,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:40,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 140 states and 183 transitions. [2023-11-23 20:06:40,766 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 183 transitions. [2023-11-23 20:06:40,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:06:40,768 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:40,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:40,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:40,812 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:06:40,813 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:40,934 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 20:06:41,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:41,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 143 states and 188 transitions. [2023-11-23 20:06:41,137 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 188 transitions. [2023-11-23 20:06:41,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-23 20:06:41,139 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:41,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:41,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:41,165 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:06:41,166 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:41,228 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 20:06:41,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:41,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 142 states and 187 transitions. [2023-11-23 20:06:41,383 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 187 transitions. [2023-11-23 20:06:41,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-23 20:06:41,384 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:41,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:41,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:41,412 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:06:41,414 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:41,592 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 20:06:43,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:43,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 151 states and 205 transitions. [2023-11-23 20:06:43,535 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 205 transitions. [2023-11-23 20:06:43,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 20:06:43,536 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:43,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:43,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:43,562 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:06:43,563 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:43,622 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 20:06:43,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:43,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 150 states and 204 transitions. [2023-11-23 20:06:43,705 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 204 transitions. [2023-11-23 20:06:43,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 20:06:43,706 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:43,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:43,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:43,732 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:06:43,734 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:43,900 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 20:06:46,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:46,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 159 states and 222 transitions. [2023-11-23 20:06:46,217 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 222 transitions. [2023-11-23 20:06:46,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 20:06:46,218 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:46,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:46,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:46,254 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:06:46,256 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:46,289 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 20:06:46,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:46,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 162 states and 226 transitions. [2023-11-23 20:06:46,340 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 226 transitions. [2023-11-23 20:06:46,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 20:06:46,341 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:46,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:46,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:46,367 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:06:46,368 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:46,439 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 20:06:46,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:46,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 161 states and 225 transitions. [2023-11-23 20:06:46,523 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 225 transitions. [2023-11-23 20:06:46,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 20:06:46,524 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:46,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:46,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:46,551 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:06:46,552 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:46,585 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 20:06:46,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:46,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 164 states and 229 transitions. [2023-11-23 20:06:46,930 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 229 transitions. [2023-11-23 20:06:46,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 20:06:46,931 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:46,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:46,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:46,957 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:06:46,959 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:47,181 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 20:06:50,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:50,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 174 states and 249 transitions. [2023-11-23 20:06:50,425 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-11-23 20:06:50,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:06:50,426 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:50,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:50,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:50,452 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:06:50,454 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:50,676 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-23 20:07:02,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:02,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 179 states and 259 transitions. [2023-11-23 20:07:02,529 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 259 transitions. [2023-11-23 20:07:02,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-23 20:07:02,530 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:02,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:02,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:02,555 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:07:02,556 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:07:02,588 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 20:07:02,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:02,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 182 states and 263 transitions. [2023-11-23 20:07:02,647 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 263 transitions. [2023-11-23 20:07:02,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-23 20:07:02,648 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:02,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:02,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:02,674 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:07:02,675 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:07:02,935 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 20:07:07,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:07,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 193 states and 286 transitions. [2023-11-23 20:07:07,773 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 286 transitions. [2023-11-23 20:07:07,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-23 20:07:07,774 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:07,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:07,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:07,799 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:07:07,800 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:07:08,032 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 20:07:12,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:12,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 204 states and 308 transitions. [2023-11-23 20:07:12,223 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 308 transitions. [2023-11-23 20:07:12,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-23 20:07:12,224 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:12,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:12,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:12,278 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:07:12,279 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:07:12,315 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 20:07:13,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:13,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 208 states and 315 transitions. [2023-11-23 20:07:13,377 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 315 transitions. [2023-11-23 20:07:13,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 20:07:13,377 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:13,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:13,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:13,404 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:07:13,414 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:07:13,925 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-23 20:07:17,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:17,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 207 states and 314 transitions. [2023-11-23 20:07:17,787 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 314 transitions. [2023-11-23 20:07:17,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:07:17,787 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:17,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:17,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:17,813 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:07:17,814 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:07:17,870 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 20:07:18,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:18,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 211 states and 321 transitions. [2023-11-23 20:07:18,592 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 321 transitions. [2023-11-23 20:07:18,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:07:18,593 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:18,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:18,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:18,616 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:07:18,617 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:07:18,894 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 20:07:20,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:20,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 215 states and 328 transitions. [2023-11-23 20:07:20,193 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 328 transitions. [2023-11-23 20:07:20,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:07:20,194 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:20,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:20,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:20,219 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:07:20,220 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:07:20,413 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 20:07:22,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:22,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 219 states and 334 transitions. [2023-11-23 20:07:22,108 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 334 transitions. [2023-11-23 20:07:22,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:07:22,109 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:22,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:22,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:22,135 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:07:22,136 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:07:22,314 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 20:07:24,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:24,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 224 states and 344 transitions. [2023-11-23 20:07:24,440 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 344 transitions. [2023-11-23 20:07:24,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 20:07:24,441 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:24,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:24,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:24,465 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:07:24,466 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:07:24,516 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 20:07:25,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:25,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 228 states and 350 transitions. [2023-11-23 20:07:25,263 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 350 transitions. [2023-11-23 20:07:25,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 20:07:25,264 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:25,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:25,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:25,288 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:07:25,289 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:07:25,555 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 20:07:27,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:27,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 232 states and 356 transitions. [2023-11-23 20:07:27,312 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 356 transitions. [2023-11-23 20:07:27,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 20:07:27,312 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:27,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:27,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:27,336 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:07:27,337 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:07:27,717 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.