./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound1.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_f23800e7-725c-404a-beac-ffce52a866e5/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f23800e7-725c-404a-beac-ffce52a866e5/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_f23800e7-725c-404a-beac-ffce52a866e5/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f23800e7-725c-404a-beac-ffce52a866e5/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f23800e7-725c-404a-beac-ffce52a866e5/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_f23800e7-725c-404a-beac-ffce52a866e5/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 c7f1683dc0c60d20b83300f79a9b15e37cd1fd05703e492aec10298f1b5a1afa --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:22:21,958 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:22:22,065 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f23800e7-725c-404a-beac-ffce52a866e5/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:22:22,075 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:22:22,075 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:22:22,120 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:22:22,122 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:22:22,122 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:22:22,123 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:22:22,128 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:22:22,129 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:22:22,129 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:22:22,130 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:22:22,132 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:22:22,133 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:22:22,133 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:22:22,133 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:22:22,134 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:22:22,134 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:22:22,135 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:22:22,135 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:22:22,136 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:22:22,136 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:22:22,136 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:22:22,137 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:22:22,138 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:22:22,138 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:22:22,138 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:22:22,139 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:22:22,139 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:22:22,141 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:22:22,141 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:22:22,141 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:22:22,141 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:22:22,142 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:22:22,142 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_f23800e7-725c-404a-beac-ffce52a866e5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f23800e7-725c-404a-beac-ffce52a866e5/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c7f1683dc0c60d20b83300f79a9b15e37cd1fd05703e492aec10298f1b5a1afa [2023-11-23 20:22:22,401 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:22:22,423 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:22:22,426 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:22:22,428 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:22:22,428 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:22:22,434 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f23800e7-725c-404a-beac-ffce52a866e5/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound1.c [2023-11-23 20:22:25,528 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:22:25,711 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:22:25,711 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f23800e7-725c-404a-beac-ffce52a866e5/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound1.c [2023-11-23 20:22:25,722 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f23800e7-725c-404a-beac-ffce52a866e5/bin/ukojak-verify-1t5iHCbJaC/data/3df7a897c/d6eb41d6fd134965b0e2ad454062fc8c/FLAG264549bca [2023-11-23 20:22:25,742 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f23800e7-725c-404a-beac-ffce52a866e5/bin/ukojak-verify-1t5iHCbJaC/data/3df7a897c/d6eb41d6fd134965b0e2ad454062fc8c [2023-11-23 20:22:25,748 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:22:25,750 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:22:25,756 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:22:25,757 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:22:25,764 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:22:25,768 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:22:25" (1/1) ... [2023-11-23 20:22:25,769 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52a1c5b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:25, skipping insertion in model container [2023-11-23 20:22:25,770 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:22:25" (1/1) ... [2023-11-23 20:22:25,798 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:22:26,039 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:22:26,052 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:22:26,097 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:22:26,114 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:22:26,114 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:26 WrapperNode [2023-11-23 20:22:26,115 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:22:26,116 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:22:26,117 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:22:26,117 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:22:26,125 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:26" (1/1) ... [2023-11-23 20:22:26,142 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:26" (1/1) ... [2023-11-23 20:22:26,184 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 102 [2023-11-23 20:22:26,185 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:22:26,186 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:22:26,187 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:22:26,187 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:22:26,197 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:26" (1/1) ... [2023-11-23 20:22:26,197 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:26" (1/1) ... [2023-11-23 20:22:26,200 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:26" (1/1) ... [2023-11-23 20:22:26,200 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:26" (1/1) ... [2023-11-23 20:22:26,214 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:26" (1/1) ... [2023-11-23 20:22:26,217 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:26" (1/1) ... [2023-11-23 20:22:26,219 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:26" (1/1) ... [2023-11-23 20:22:26,220 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:26" (1/1) ... [2023-11-23 20:22:26,222 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:22:26,223 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:22:26,223 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:22:26,224 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:22:26,225 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:26" (1/1) ... [2023-11-23 20:22:26,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:22:26,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f23800e7-725c-404a-beac-ffce52a866e5/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:22:26,263 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f23800e7-725c-404a-beac-ffce52a866e5/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:22:26,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f23800e7-725c-404a-beac-ffce52a866e5/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:22:26,312 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:22:26,312 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:22:26,313 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:22:26,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:22:26,314 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:22:26,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:22:26,315 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:22:26,315 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:22:26,389 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:22:26,392 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:22:26,855 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:22:26,891 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:22:26,891 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:22:26,893 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:22:26 BoogieIcfgContainer [2023-11-23 20:22:26,893 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:22:26,894 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:22:26,894 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:22:26,905 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:22:26,906 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:22:26" (1/1) ... [2023-11-23 20:22:26,916 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:22:26,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:26,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 104 states and 112 transitions. [2023-11-23 20:22:26,973 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 112 transitions. [2023-11-23 20:22:26,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:22:26,978 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:26,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:27,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:27,189 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-23 20:22:27,195 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:22:27,417 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 20:22:27,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:27,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 106 states and 117 transitions. [2023-11-23 20:22:27,632 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 117 transitions. [2023-11-23 20:22:27,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 20:22:27,633 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:27,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:27,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:27,667 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-23 20:22:27,669 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:22:27,810 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 20:22:28,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:28,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 109 states and 125 transitions. [2023-11-23 20:22:28,180 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 125 transitions. [2023-11-23 20:22:28,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:22:28,181 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:28,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:28,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:28,215 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-23 20:22:28,217 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:22:28,330 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 20:22:28,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:28,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 113 states and 134 transitions. [2023-11-23 20:22:28,620 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 134 transitions. [2023-11-23 20:22:28,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:22:28,620 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:28,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:28,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:28,657 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-23 20:22:28,659 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:22:28,795 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 20:22:29,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:29,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 118 states and 143 transitions. [2023-11-23 20:22:29,192 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 143 transitions. [2023-11-23 20:22:29,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 20:22:29,193 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:29,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:29,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:29,231 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:22:29,235 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:22:29,334 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 20:22:29,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:29,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 124 states and 154 transitions. [2023-11-23 20:22:29,849 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 154 transitions. [2023-11-23 20:22:29,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:22:29,849 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:29,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:29,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:29,878 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:22:29,879 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:22:29,978 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 20:22:31,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:31,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 131 states and 167 transitions. [2023-11-23 20:22:31,438 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 167 transitions. [2023-11-23 20:22:31,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:22:31,439 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:31,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:31,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:31,464 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:22:31,466 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:22:31,615 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 20:22:32,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:32,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 139 states and 182 transitions. [2023-11-23 20:22:32,987 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 182 transitions. [2023-11-23 20:22:32,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 20:22:32,988 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:32,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:33,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:33,016 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:22:33,018 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:22:33,181 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 20:22:34,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:34,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 148 states and 199 transitions. [2023-11-23 20:22:34,960 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 199 transitions. [2023-11-23 20:22:34,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:22:34,961 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:34,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:34,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:34,988 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:22:34,990 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:22:35,061 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 20:22:35,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:35,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 151 states and 204 transitions. [2023-11-23 20:22:35,347 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 204 transitions. [2023-11-23 20:22:35,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-23 20:22:35,349 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:35,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:35,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:35,376 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:22:35,377 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:22:35,454 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 20:22:35,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:35,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 150 states and 203 transitions. [2023-11-23 20:22:35,649 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 203 transitions. [2023-11-23 20:22:35,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-23 20:22:35,650 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:35,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:35,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:35,706 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:22:35,707 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:22:35,805 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 20:22:37,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:37,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 158 states and 220 transitions. [2023-11-23 20:22:37,518 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 220 transitions. [2023-11-23 20:22:37,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 20:22:37,519 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:37,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:37,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:37,566 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:22:37,567 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:22:37,628 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 20:22:37,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:37,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 157 states and 219 transitions. [2023-11-23 20:22:37,716 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 219 transitions. [2023-11-23 20:22:37,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 20:22:37,717 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:37,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:37,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:37,745 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:22:37,747 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:22:37,918 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 20:22:39,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:39,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 166 states and 238 transitions. [2023-11-23 20:22:39,972 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 238 transitions. [2023-11-23 20:22:39,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 20:22:39,973 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:39,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:40,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:40,006 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:22:40,007 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:22:40,059 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 20:22:40,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:40,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 169 states and 242 transitions. [2023-11-23 20:22:40,126 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 242 transitions. [2023-11-23 20:22:40,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 20:22:40,133 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:40,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:40,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:40,172 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:22:40,179 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:22:40,248 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 20:22:40,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:40,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 168 states and 241 transitions. [2023-11-23 20:22:40,341 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 241 transitions. [2023-11-23 20:22:40,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 20:22:40,342 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:40,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:40,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:40,369 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:22:40,371 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:22:40,401 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 20:22:40,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:40,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 171 states and 245 transitions. [2023-11-23 20:22:40,719 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 245 transitions. [2023-11-23 20:22:40,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 20:22:40,720 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:40,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:40,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:40,754 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:22:40,755 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:22:41,080 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 20:22:44,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:44,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 181 states and 266 transitions. [2023-11-23 20:22:44,580 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 266 transitions. [2023-11-23 20:22:44,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:22:44,580 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:44,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:44,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:44,604 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:22:44,606 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:22:44,740 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 20:22:55,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:55,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 186 states and 277 transitions. [2023-11-23 20:22:55,682 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 277 transitions. [2023-11-23 20:22:55,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-23 20:22:55,682 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:55,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:55,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:55,714 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:22:55,715 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:22:55,748 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 20:22:55,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:55,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 189 states and 281 transitions. [2023-11-23 20:22:55,809 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 281 transitions. [2023-11-23 20:22:55,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-23 20:22:55,809 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:55,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:55,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:55,834 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:22:55,835 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:22:56,020 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 20:23:00,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:23:00,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 200 states and 305 transitions. [2023-11-23 20:23:00,617 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 305 transitions. [2023-11-23 20:23:00,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-23 20:23:00,618 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:23:00,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:23:00,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:23:00,644 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:23:00,646 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:23:00,832 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 20:23:04,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:23:04,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 212 states and 329 transitions. [2023-11-23 20:23:04,983 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 329 transitions. [2023-11-23 20:23:04,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-23 20:23:04,983 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:23:04,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:23:05,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:23:05,014 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:23:05,015 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:23:05,194 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 20:23:06,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:23:06,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 216 states and 336 transitions. [2023-11-23 20:23:06,828 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 336 transitions. [2023-11-23 20:23:06,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 20:23:06,828 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:23:06,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:23:06,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:23:06,869 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:23:06,870 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:23:07,297 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 20:23:10,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:23:10,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 215 states and 335 transitions. [2023-11-23 20:23:10,183 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 335 transitions. [2023-11-23 20:23:10,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:23:10,183 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:23:10,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:23:10,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:23:10,210 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:23:10,211 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:23:10,258 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 20:23:11,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:23:11,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 219 states and 342 transitions. [2023-11-23 20:23:11,036 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 342 transitions. [2023-11-23 20:23:11,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:23:11,038 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:23:11,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:23:11,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:23:11,064 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:23:11,065 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:23:11,291 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 20:23:12,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:23:12,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 223 states and 349 transitions. [2023-11-23 20:23:12,469 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 349 transitions. [2023-11-23 20:23:12,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:23:12,470 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:23:12,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:23:12,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:23:12,501 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:23:12,502 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:23:12,664 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 20:23:14,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:23:14,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 227 states and 355 transitions. [2023-11-23 20:23:14,291 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 355 transitions. [2023-11-23 20:23:14,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:23:14,292 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:23:14,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:23:14,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:23:14,324 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:23:14,325 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:23:14,547 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:23:16,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:23:16,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 232 states and 365 transitions. [2023-11-23 20:23:16,941 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 365 transitions. [2023-11-23 20:23:16,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 20:23:16,942 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:23:16,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:23:16,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:23:16,974 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:23:16,975 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:23:17,007 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 20:23:17,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:23:17,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 236 states and 371 transitions. [2023-11-23 20:23:17,656 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 371 transitions. [2023-11-23 20:23:17,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 20:23:17,657 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:23:17,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:23:17,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:23:17,680 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:23:17,681 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:23:17,895 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 20:23:19,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:23:19,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 240 states and 377 transitions. [2023-11-23 20:23:19,815 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 377 transitions. [2023-11-23 20:23:19,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 20:23:19,816 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:23:19,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:23:19,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:23:19,840 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:23:19,841 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:23:20,157 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.