./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_valuebound1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94c95094-3989-49c7-a5cc-f85aacf34993/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94c95094-3989-49c7-a5cc-f85aacf34993/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_94c95094-3989-49c7-a5cc-f85aacf34993/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94c95094-3989-49c7-a5cc-f85aacf34993/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_valuebound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94c95094-3989-49c7-a5cc-f85aacf34993/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_94c95094-3989-49c7-a5cc-f85aacf34993/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 bf6b5d6ce0125c606cfafa6fb4e25513c25265a3f4d4cd63094ae1ba72acdc4a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:43:46,293 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:43:46,388 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94c95094-3989-49c7-a5cc-f85aacf34993/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 02:43:46,395 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:43:46,396 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:43:46,426 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:43:46,427 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:43:46,428 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:43:46,429 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:43:46,430 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:43:46,431 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:43:46,431 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:43:46,432 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:43:46,433 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:43:46,433 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:43:46,434 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:43:46,435 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:43:46,435 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:43:46,436 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:43:46,437 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 02:43:46,437 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:43:46,438 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:43:46,439 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:43:46,439 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:43:46,440 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:43:46,440 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:43:46,441 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:43:46,441 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:43:46,442 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:43:46,443 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:43:46,443 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:43:46,444 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:43:46,444 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:43:46,445 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:43:46,445 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:43:46,446 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_94c95094-3989-49c7-a5cc-f85aacf34993/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94c95094-3989-49c7-a5cc-f85aacf34993/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bf6b5d6ce0125c606cfafa6fb4e25513c25265a3f4d4cd63094ae1ba72acdc4a [2023-11-19 02:43:46,778 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:43:46,812 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:43:46,816 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:43:46,818 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:43:46,819 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:43:46,821 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94c95094-3989-49c7-a5cc-f85aacf34993/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_valuebound1.c [2023-11-19 02:43:50,012 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:43:50,284 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:43:50,284 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94c95094-3989-49c7-a5cc-f85aacf34993/sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_valuebound1.c [2023-11-19 02:43:50,293 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94c95094-3989-49c7-a5cc-f85aacf34993/bin/ukojak-verify-G8NBE6pJGL/data/be9dde98d/e68974d841bd4fbe8c28e8dcd5787136/FLAG9502b1ba9 [2023-11-19 02:43:50,309 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94c95094-3989-49c7-a5cc-f85aacf34993/bin/ukojak-verify-G8NBE6pJGL/data/be9dde98d/e68974d841bd4fbe8c28e8dcd5787136 [2023-11-19 02:43:50,311 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:43:50,313 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:43:50,315 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:43:50,315 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:43:50,320 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:43:50,321 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:43:50" (1/1) ... [2023-11-19 02:43:50,322 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cef6499 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:43:50, skipping insertion in model container [2023-11-19 02:43:50,322 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:43:50" (1/1) ... [2023-11-19 02:43:50,352 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:43:50,586 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:43:50,600 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:43:50,632 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:43:50,648 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:43:50,649 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:43:50 WrapperNode [2023-11-19 02:43:50,649 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:43:50,651 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:43:50,651 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:43:50,652 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:43:50,660 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:43:50" (1/1) ... [2023-11-19 02:43:50,680 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:43:50" (1/1) ... [2023-11-19 02:43:50,713 INFO L138 Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 65 [2023-11-19 02:43:50,714 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:43:50,716 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:43:50,716 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:43:50,717 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:43:50,728 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:43:50" (1/1) ... [2023-11-19 02:43:50,728 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:43:50" (1/1) ... [2023-11-19 02:43:50,732 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:43:50" (1/1) ... [2023-11-19 02:43:50,732 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:43:50" (1/1) ... [2023-11-19 02:43:50,746 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:43:50" (1/1) ... [2023-11-19 02:43:50,749 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:43:50" (1/1) ... [2023-11-19 02:43:50,750 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:43:50" (1/1) ... [2023-11-19 02:43:50,751 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:43:50" (1/1) ... [2023-11-19 02:43:50,754 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:43:50,756 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:43:50,756 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:43:50,756 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:43:50,758 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:43:50" (1/1) ... [2023-11-19 02:43:50,782 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:43:50,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94c95094-3989-49c7-a5cc-f85aacf34993/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:43:50,815 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94c95094-3989-49c7-a5cc-f85aacf34993/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:43:50,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94c95094-3989-49c7-a5cc-f85aacf34993/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:43:50,892 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:43:50,892 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 02:43:50,892 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 02:43:50,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:43:50,893 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:43:50,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:43:50,894 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 02:43:50,894 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 02:43:50,967 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:43:50,969 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:43:51,276 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:43:51,302 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:43:51,303 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 02:43:51,307 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:43:51 BoogieIcfgContainer [2023-11-19 02:43:51,308 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:43:51,309 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:43:51,309 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:43:51,319 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:43:51,320 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:43:51" (1/1) ... [2023-11-19 02:43:51,329 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:43:51,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:43:51,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 49 states and 54 transitions. [2023-11-19 02:43:51,393 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 54 transitions. [2023-11-19 02:43:51,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 02:43:51,399 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:43:51,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:43:51,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:43:51,613 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 02:43:51,619 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:43:51,780 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 02:43:51,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:43:51,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 51 states and 56 transitions. [2023-11-19 02:43:51,944 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 56 transitions. [2023-11-19 02:43:51,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 02:43:51,945 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:43:51,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:43:51,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:43:51,989 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-19 02:43:51,992 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:43:52,194 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:43:52,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:43:52,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 54 states and 60 transitions. [2023-11-19 02:43:52,586 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 60 transitions. [2023-11-19 02:43:52,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 02:43:52,587 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:43:52,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:43:52,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:43:52,661 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:43:52,664 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:43:52,758 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:43:53,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:43:53,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 58 states and 66 transitions. [2023-11-19 02:43:53,073 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 66 transitions. [2023-11-19 02:43:53,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 02:43:53,074 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:43:53,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:43:53,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:43:53,148 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:43:53,150 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:43:53,259 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:43:53,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:43:53,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 63 states and 74 transitions. [2023-11-19 02:43:53,843 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 74 transitions. [2023-11-19 02:43:53,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 02:43:53,845 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:43:53,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:43:53,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:43:53,902 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-19 02:43:53,904 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:43:54,004 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:43:54,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:43:54,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 69 states and 84 transitions. [2023-11-19 02:43:54,620 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 84 transitions. [2023-11-19 02:43:54,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 02:43:54,621 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:43:54,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:43:54,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:43:54,655 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-19 02:43:54,657 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:43:54,768 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:43:54,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:43:54,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 70 states and 85 transitions. [2023-11-19 02:43:54,806 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 85 transitions. [2023-11-19 02:43:54,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 02:43:54,807 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:43:54,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:43:54,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:43:54,836 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:43:54,838 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:43:54,899 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:43:54,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:43:54,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 73 states and 90 transitions. [2023-11-19 02:43:54,964 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 90 transitions. [2023-11-19 02:43:54,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 02:43:54,966 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:43:54,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:43:54,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:43:55,000 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:43:55,002 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:43:55,058 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:43:55,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:43:55,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 72 states and 89 transitions. [2023-11-19 02:43:55,231 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 89 transitions. [2023-11-19 02:43:55,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 02:43:55,233 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:43:55,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:43:55,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:43:55,274 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:43:55,276 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:43:55,433 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:43:56,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:43:56,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 80 states and 104 transitions. [2023-11-19 02:43:56,570 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 104 transitions. [2023-11-19 02:43:56,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 02:43:56,573 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:43:56,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:43:56,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:43:56,637 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:43:56,639 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:43:56,807 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:43:56,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:43:56,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 81 states and 107 transitions. [2023-11-19 02:43:56,884 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 107 transitions. [2023-11-19 02:43:56,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 02:43:56,886 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:43:56,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:43:56,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:43:56,916 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:43:56,917 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:43:57,149 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:43:58,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:43:58,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 90 states and 123 transitions. [2023-11-19 02:43:58,777 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 123 transitions. [2023-11-19 02:43:58,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 02:43:58,779 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:43:58,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:43:58,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:43:58,807 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:43:58,809 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:43:58,937 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:43:59,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:43:59,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 92 states and 128 transitions. [2023-11-19 02:43:59,124 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 128 transitions. [2023-11-19 02:43:59,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 02:43:59,126 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:43:59,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:43:59,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:43:59,174 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:43:59,180 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:43:59,264 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:44:00,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:00,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 94 states and 132 transitions. [2023-11-19 02:44:00,265 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 132 transitions. [2023-11-19 02:44:00,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 02:44:00,267 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:00,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:00,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:00,299 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:44:00,301 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:00,445 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:44:03,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:03,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 104 states and 151 transitions. [2023-11-19 02:44:03,245 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 151 transitions. [2023-11-19 02:44:03,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 02:44:03,246 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:03,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:03,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:03,280 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:44:03,282 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:03,410 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:44:06,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:06,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 115 states and 172 transitions. [2023-11-19 02:44:06,654 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 172 transitions. [2023-11-19 02:44:06,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 02:44:06,655 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:06,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:06,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:06,686 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:44:06,688 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:06,732 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:44:07,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:07,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 119 states and 182 transitions. [2023-11-19 02:44:07,376 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 182 transitions. [2023-11-19 02:44:07,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 02:44:07,377 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:07,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:07,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:07,417 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:44:07,419 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:07,458 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:44:08,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:08,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 122 states and 187 transitions. [2023-11-19 02:44:08,288 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 187 transitions. [2023-11-19 02:44:08,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 02:44:08,289 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:08,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:08,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:08,319 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:44:08,320 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:08,361 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:44:08,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:08,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 124 states and 190 transitions. [2023-11-19 02:44:08,937 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 190 transitions. [2023-11-19 02:44:08,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 02:44:08,938 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:08,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:08,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:08,967 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 02:44:08,968 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:09,219 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 02:44:10,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:10,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 131 states and 201 transitions. [2023-11-19 02:44:10,375 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 201 transitions. [2023-11-19 02:44:10,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 02:44:10,375 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:10,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:10,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:10,413 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:44:10,415 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:10,594 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:44:10,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:10,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 132 states and 202 transitions. [2023-11-19 02:44:10,987 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 202 transitions. [2023-11-19 02:44:10,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 02:44:10,989 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:10,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:11,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:11,040 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-19 02:44:11,042 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:11,251 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 02:44:13,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:13,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 142 states and 220 transitions. [2023-11-19 02:44:13,240 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 220 transitions. [2023-11-19 02:44:13,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 02:44:13,241 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:13,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:13,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:13,278 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-19 02:44:13,280 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:13,480 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 02:44:13,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:13,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 143 states and 226 transitions. [2023-11-19 02:44:13,678 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 226 transitions. [2023-11-19 02:44:13,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 02:44:13,679 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:13,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:13,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:13,736 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 02:44:13,738 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:13,892 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 02:44:16,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:16,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 161 states and 252 transitions. [2023-11-19 02:44:16,149 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 252 transitions. [2023-11-19 02:44:16,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 02:44:16,150 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:16,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:16,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:16,186 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-19 02:44:16,188 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:16,999 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 02:44:20,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:20,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 181 states and 283 transitions. [2023-11-19 02:44:20,093 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 283 transitions. [2023-11-19 02:44:20,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 02:44:20,094 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:20,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:20,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:20,125 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:44:20,127 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:20,168 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:44:22,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:22,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 196 states and 310 transitions. [2023-11-19 02:44:22,903 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 310 transitions. [2023-11-19 02:44:22,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 02:44:22,904 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:22,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:22,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:22,940 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:44:22,941 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:22,995 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:44:23,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:23,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 198 states and 311 transitions. [2023-11-19 02:44:23,426 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 311 transitions. [2023-11-19 02:44:23,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 02:44:23,427 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:23,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:23,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:23,457 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:44:23,459 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:23,495 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:44:26,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:26,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 211 states and 336 transitions. [2023-11-19 02:44:26,668 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 336 transitions. [2023-11-19 02:44:26,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 02:44:26,669 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:26,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:26,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:26,703 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:44:26,705 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:26,743 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:44:27,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:27,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 213 states and 337 transitions. [2023-11-19 02:44:27,219 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 337 transitions. [2023-11-19 02:44:27,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-19 02:44:27,220 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:27,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:27,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:27,248 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:44:27,249 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:27,297 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-19 02:44:27,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:27,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 206 states and 321 transitions. [2023-11-19 02:44:27,398 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 321 transitions. [2023-11-19 02:44:27,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 02:44:27,400 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:27,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:27,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:27,451 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 02:44:27,454 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:27,789 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 02:44:31,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:31,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 223 states and 362 transitions. [2023-11-19 02:44:31,374 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 362 transitions. [2023-11-19 02:44:31,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 02:44:31,375 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:31,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:31,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:31,409 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:44:31,411 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:31,609 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 02:44:32,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:32,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 226 states and 375 transitions. [2023-11-19 02:44:32,411 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 375 transitions. [2023-11-19 02:44:32,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 02:44:32,412 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:32,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:32,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:32,446 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 02:44:32,448 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:32,602 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 02:44:34,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:34,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 230 states and 381 transitions. [2023-11-19 02:44:34,646 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 381 transitions. [2023-11-19 02:44:34,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 02:44:34,648 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:34,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:34,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:34,682 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 02:44:34,684 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:35,046 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 02:44:39,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:39,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 248 states and 425 transitions. [2023-11-19 02:44:39,790 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 425 transitions. [2023-11-19 02:44:39,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 02:44:39,792 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:39,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:39,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:39,831 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:44:39,832 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:39,989 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked.