./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench/prod4br-ll.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff 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_87a9fddd-c7c5-49ad-990e-7d2a5193f884/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a9fddd-c7c5-49ad-990e-7d2a5193f884/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a9fddd-c7c5-49ad-990e-7d2a5193f884/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a9fddd-c7c5-49ad-990e-7d2a5193f884/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/prod4br-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a9fddd-c7c5-49ad-990e-7d2a5193f884/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a9fddd-c7c5-49ad-990e-7d2a5193f884/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9fc373a278835802938e4c08f2544f1651ce1de6dc177c0a58501e43687c477d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:44:59,158 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:44:59,278 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a9fddd-c7c5-49ad-990e-7d2a5193f884/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 03:44:59,286 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:44:59,287 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:44:59,338 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:44:59,340 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:44:59,340 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:44:59,342 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:44:59,350 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:44:59,352 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:44:59,353 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:44:59,353 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:44:59,356 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:44:59,356 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:44:59,357 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:44:59,359 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:44:59,359 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:44:59,360 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:44:59,361 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:44:59,361 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:44:59,362 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:44:59,363 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:44:59,363 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:44:59,364 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:44:59,365 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:44:59,365 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:44:59,366 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:44:59,367 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:44:59,367 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:44:59,369 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:44:59,369 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:44:59,370 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:44:59,370 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:44:59,370 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:44:59,371 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_87a9fddd-c7c5-49ad-990e-7d2a5193f884/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a9fddd-c7c5-49ad-990e-7d2a5193f884/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9fc373a278835802938e4c08f2544f1651ce1de6dc177c0a58501e43687c477d [2023-11-19 03:44:59,701 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:44:59,739 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:44:59,743 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:44:59,745 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:44:59,746 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:44:59,748 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a9fddd-c7c5-49ad-990e-7d2a5193f884/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench/prod4br-ll.c [2023-11-19 03:45:03,416 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:45:03,752 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:45:03,753 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a9fddd-c7c5-49ad-990e-7d2a5193f884/sv-benchmarks/c/nla-digbench/prod4br-ll.c [2023-11-19 03:45:03,762 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a9fddd-c7c5-49ad-990e-7d2a5193f884/bin/ukojak-verify-G8NBE6pJGL/data/8d0d9486b/dec1894a4ae64e45b1079dbd296f3e9f/FLAG4ecd0231f [2023-11-19 03:45:03,781 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a9fddd-c7c5-49ad-990e-7d2a5193f884/bin/ukojak-verify-G8NBE6pJGL/data/8d0d9486b/dec1894a4ae64e45b1079dbd296f3e9f [2023-11-19 03:45:03,784 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:45:03,786 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:45:03,788 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:45:03,788 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:45:03,794 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:45:03,795 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:45:03" (1/1) ... [2023-11-19 03:45:03,797 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ce4bce8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:45:03, skipping insertion in model container [2023-11-19 03:45:03,797 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:45:03" (1/1) ... [2023-11-19 03:45:03,826 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:45:04,068 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:45:04,083 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:45:04,111 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:45:04,127 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:45:04,128 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:45:04 WrapperNode [2023-11-19 03:45:04,129 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:45:04,130 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:45:04,130 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:45:04,131 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:45:04,141 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:45:04" (1/1) ... [2023-11-19 03:45:04,150 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:45:04" (1/1) ... [2023-11-19 03:45:04,184 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 103 [2023-11-19 03:45:04,185 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:45:04,186 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:45:04,186 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:45:04,186 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:45:04,199 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:45:04" (1/1) ... [2023-11-19 03:45:04,199 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:45:04" (1/1) ... [2023-11-19 03:45:04,202 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:45:04" (1/1) ... [2023-11-19 03:45:04,202 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:45:04" (1/1) ... [2023-11-19 03:45:04,209 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:45:04" (1/1) ... [2023-11-19 03:45:04,213 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:45:04" (1/1) ... [2023-11-19 03:45:04,215 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:45:04" (1/1) ... [2023-11-19 03:45:04,217 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:45:04" (1/1) ... [2023-11-19 03:45:04,220 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:45:04,221 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:45:04,221 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:45:04,222 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:45:04,223 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:45:04" (1/1) ... [2023-11-19 03:45:04,230 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:45:04,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a9fddd-c7c5-49ad-990e-7d2a5193f884/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:45:04,264 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a9fddd-c7c5-49ad-990e-7d2a5193f884/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:45:04,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a9fddd-c7c5-49ad-990e-7d2a5193f884/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:45:04,312 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:45:04,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:45:04,313 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:45:04,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:45:04,313 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:45:04,313 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:45:04,387 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:45:04,390 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:45:04,940 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:45:05,014 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:45:05,015 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:45:05,022 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:45:05 BoogieIcfgContainer [2023-11-19 03:45:05,022 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:45:05,024 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:45:05,024 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:45:05,038 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:45:05,039 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:45:05" (1/1) ... [2023-11-19 03:45:05,050 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:45:05,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:45:05,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 97 states and 103 transitions. [2023-11-19 03:45:05,121 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 103 transitions. [2023-11-19 03:45:05,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 03:45:05,123 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:45:05,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:45:05,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:45:05,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:45:05,326 INFO L262 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:45:05,331 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:45:05,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:45:05,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:45:05,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 97 states and 102 transitions. [2023-11-19 03:45:05,408 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 102 transitions. [2023-11-19 03:45:05,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 03:45:05,409 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:45:05,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:45:05,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:45:05,468 INFO L262 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:45:05,469 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:45:05,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:45:05,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:45:05,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 99 states and 108 transitions. [2023-11-19 03:45:05,634 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 108 transitions. [2023-11-19 03:45:05,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:45:05,635 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:45:05,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:45:05,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:45:05,695 INFO L262 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:45:05,696 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:45:05,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:45:05,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:45:05,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 102 states and 116 transitions. [2023-11-19 03:45:05,876 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 116 transitions. [2023-11-19 03:45:05,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 03:45:05,877 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:45:05,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:45:05,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:45:05,923 INFO L262 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 03:45:05,924 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:45:06,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:45:06,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:45:06,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 106 states and 124 transitions. [2023-11-19 03:45:06,260 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 124 transitions. [2023-11-19 03:45:06,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:45:06,261 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:45:06,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:45:06,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:45:06,304 INFO L262 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 03:45:06,309 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:45:06,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:45:06,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:45:06,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 108 states and 127 transitions. [2023-11-19 03:45:06,515 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 127 transitions. [2023-11-19 03:45:06,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:45:06,515 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:45:06,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:45:06,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:45:06,535 INFO L262 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:45:06,538 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:45:06,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:45:07,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:45:07,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 114 states and 138 transitions. [2023-11-19 03:45:07,083 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 138 transitions. [2023-11-19 03:45:07,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:45:07,083 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:45:07,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:45:07,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:45:07,103 INFO L262 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:45:07,104 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:45:07,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:45:08,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:45:08,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 121 states and 151 transitions. [2023-11-19 03:45:08,165 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 151 transitions. [2023-11-19 03:45:08,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:45:08,166 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:45:08,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:45:08,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:45:08,185 INFO L262 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:45:08,186 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:45:08,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:45:09,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:45:09,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 129 states and 166 transitions. [2023-11-19 03:45:09,207 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 166 transitions. [2023-11-19 03:45:09,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:45:09,207 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:45:09,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:45:09,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:45:09,245 INFO L262 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:45:09,246 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:45:09,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:45:10,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:45:10,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 138 states and 183 transitions. [2023-11-19 03:45:10,563 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 183 transitions. [2023-11-19 03:45:10,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:45:10,567 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:45:10,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:45:10,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:45:10,602 INFO L262 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:45:10,605 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:45:10,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:45:10,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:45:10,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 141 states and 188 transitions. [2023-11-19 03:45:10,917 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 188 transitions. [2023-11-19 03:45:10,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:45:10,918 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:45:10,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:45:10,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:45:10,940 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:45:10,941 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:45:11,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:45:11,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:45:11,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 140 states and 187 transitions. [2023-11-19 03:45:11,347 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 187 transitions. [2023-11-19 03:45:11,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:45:11,348 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:45:11,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:45:11,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:45:11,370 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:45:11,371 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:45:11,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:45:13,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:45:13,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 149 states and 205 transitions. [2023-11-19 03:45:13,176 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 205 transitions. [2023-11-19 03:45:13,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:45:13,177 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:45:13,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:45:13,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:45:13,201 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:45:13,203 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:45:13,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:45:13,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:45:13,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 148 states and 204 transitions. [2023-11-19 03:45:13,352 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 204 transitions. [2023-11-19 03:45:13,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:45:13,353 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:45:13,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:45:13,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:45:13,375 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:45:13,376 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:45:13,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:45:15,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:45:15,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 157 states and 223 transitions. [2023-11-19 03:45:15,348 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 223 transitions. [2023-11-19 03:45:15,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:45:15,352 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:45:15,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:45:15,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:45:15,430 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:45:15,431 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:45:15,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:45:15,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:45:15,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 160 states and 227 transitions. [2023-11-19 03:45:15,534 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 227 transitions. [2023-11-19 03:45:15,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:45:15,535 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:45:15,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:45:15,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:45:15,559 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:45:15,560 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:45:15,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:45:15,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:45:15,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 159 states and 226 transitions. [2023-11-19 03:45:15,698 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 226 transitions. [2023-11-19 03:45:15,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:45:15,701 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:45:15,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:45:15,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:45:15,728 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:45:15,730 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:45:15,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:45:16,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:45:16,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 162 states and 230 transitions. [2023-11-19 03:45:16,126 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 230 transitions. [2023-11-19 03:45:16,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:45:16,127 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:45:16,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:45:16,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:45:16,161 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:45:16,162 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:45:16,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:45:19,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:45:19,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 172 states and 251 transitions. [2023-11-19 03:45:19,705 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 251 transitions. [2023-11-19 03:45:19,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:45:19,709 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:45:19,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:45:19,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:45:19,741 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:45:19,743 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:45:20,211 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:45:32,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:45:32,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 177 states and 262 transitions. [2023-11-19 03:45:32,517 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 262 transitions. [2023-11-19 03:45:32,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:45:32,518 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:45:32,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:45:32,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:45:32,538 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:45:32,539 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:45:32,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:45:32,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:45:32,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 180 states and 266 transitions. [2023-11-19 03:45:32,624 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 266 transitions. [2023-11-19 03:45:32,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:45:32,625 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:45:32,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:45:32,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:45:32,646 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:45:32,647 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:45:32,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:45:36,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:45:36,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 191 states and 290 transitions. [2023-11-19 03:45:36,212 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 290 transitions. [2023-11-19 03:45:36,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:45:36,212 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:45:36,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:45:36,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:45:36,231 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:45:36,232 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:45:36,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:45:39,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:45:39,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 202 states and 312 transitions. [2023-11-19 03:45:39,813 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 312 transitions. [2023-11-19 03:45:39,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:45:39,814 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:45:39,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:45:39,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:45:39,834 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:45:39,836 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:45:39,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:45:41,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:45:41,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 206 states and 319 transitions. [2023-11-19 03:45:41,077 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 319 transitions. [2023-11-19 03:45:41,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:45:41,077 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:45:41,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:45:41,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:45:41,105 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:45:41,106 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:45:41,382 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:45:43,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:45:43,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 205 states and 318 transitions. [2023-11-19 03:45:43,905 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 318 transitions. [2023-11-19 03:45:43,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:45:43,906 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:45:43,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:45:43,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:45:43,942 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:45:43,943 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:45:43,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:45:44,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:45:44,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 209 states and 325 transitions. [2023-11-19 03:45:44,510 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 325 transitions. [2023-11-19 03:45:44,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:45:44,510 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:45:44,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:45:44,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:45:44,535 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:45:44,536 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:45:44,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:45:45,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:45:45,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 213 states and 332 transitions. [2023-11-19 03:45:45,920 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 332 transitions. [2023-11-19 03:45:45,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:45:45,921 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:45:45,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:45:45,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:45:45,940 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:45:45,942 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:45:46,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:45:47,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:45:47,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 217 states and 338 transitions. [2023-11-19 03:45:47,247 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 338 transitions. [2023-11-19 03:45:47,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:45:47,247 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:45:47,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:45:47,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:45:47,271 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:45:47,272 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:45:47,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:45:49,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:45:49,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 222 states and 348 transitions. [2023-11-19 03:45:49,417 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 348 transitions. [2023-11-19 03:45:49,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:45:49,419 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:45:49,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:45:49,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:45:49,437 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:45:49,438 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:45:49,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:45:49,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:45:49,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 226 states and 354 transitions. [2023-11-19 03:45:49,727 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 354 transitions. [2023-11-19 03:45:49,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:45:49,727 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:45:49,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:45:49,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:45:49,748 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:45:49,749 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:45:50,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:45:51,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:45:51,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 230 states and 360 transitions. [2023-11-19 03:45:51,523 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 360 transitions. [2023-11-19 03:45:51,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:45:51,524 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:45:51,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:45:51,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:45:51,554 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:45:51,555 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:45:51,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:45:55,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:45:55,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 242 states and 382 transitions. [2023-11-19 03:45:55,144 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 382 transitions. [2023-11-19 03:45:55,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:45:55,144 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:45:55,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:45:55,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:45:55,163 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:45:55,163 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:45:55,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:45:57,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:45:57,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 248 states and 394 transitions. [2023-11-19 03:45:57,253 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 394 transitions. [2023-11-19 03:45:57,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:45:57,253 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:45:57,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:45:57,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:45:57,275 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 03:45:57,276 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:45:57,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.