./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_valuebound20.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_9f8f0eec-6aaf-4532-9c84-65913ff94971/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f0eec-6aaf-4532-9c84-65913ff94971/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_9f8f0eec-6aaf-4532-9c84-65913ff94971/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f0eec-6aaf-4532-9c84-65913ff94971/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_valuebound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f0eec-6aaf-4532-9c84-65913ff94971/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_9f8f0eec-6aaf-4532-9c84-65913ff94971/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 39b854852f8258ff198098e27d83a5b0e296df48090ebea0d59d234417af0752 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:56:11,230 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:56:11,362 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f0eec-6aaf-4532-9c84-65913ff94971/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 02:56:11,371 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:56:11,372 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:56:11,413 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:56:11,414 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:56:11,415 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:56:11,416 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:56:11,422 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:56:11,423 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:56:11,424 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:56:11,424 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:56:11,426 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:56:11,426 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:56:11,428 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:56:11,429 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:56:11,429 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:56:11,429 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:56:11,430 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 02:56:11,431 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:56:11,431 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:56:11,432 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:56:11,433 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:56:11,434 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:56:11,434 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:56:11,435 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:56:11,436 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:56:11,436 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:56:11,437 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:56:11,438 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:56:11,439 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:56:11,439 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:56:11,439 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:56:11,439 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:56:11,440 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_9f8f0eec-6aaf-4532-9c84-65913ff94971/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f0eec-6aaf-4532-9c84-65913ff94971/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 39b854852f8258ff198098e27d83a5b0e296df48090ebea0d59d234417af0752 [2023-11-19 02:56:11,690 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:56:11,714 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:56:11,717 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:56:11,718 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:56:11,718 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:56:11,720 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f0eec-6aaf-4532-9c84-65913ff94971/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_valuebound20.c [2023-11-19 02:56:15,189 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:56:15,475 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:56:15,476 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f0eec-6aaf-4532-9c84-65913ff94971/sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_valuebound20.c [2023-11-19 02:56:15,485 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f0eec-6aaf-4532-9c84-65913ff94971/bin/ukojak-verify-G8NBE6pJGL/data/c58cf804a/f7529287f0ce422b8ffa3d2e66e858ee/FLAG7504510a1 [2023-11-19 02:56:15,503 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f0eec-6aaf-4532-9c84-65913ff94971/bin/ukojak-verify-G8NBE6pJGL/data/c58cf804a/f7529287f0ce422b8ffa3d2e66e858ee [2023-11-19 02:56:15,506 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:56:15,508 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:56:15,509 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:56:15,510 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:56:15,516 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:56:15,516 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:56:15" (1/1) ... [2023-11-19 02:56:15,518 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@187df7e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:15, skipping insertion in model container [2023-11-19 02:56:15,518 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:56:15" (1/1) ... [2023-11-19 02:56:15,546 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:56:15,766 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:56:15,779 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:56:15,807 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:56:15,825 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:56:15,825 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:15 WrapperNode [2023-11-19 02:56:15,826 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:56:15,827 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:56:15,827 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:56:15,828 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:56:15,837 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:15" (1/1) ... [2023-11-19 02:56:15,845 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:15" (1/1) ... [2023-11-19 02:56:15,894 INFO L138 Inliner]: procedures = 14, calls = 17, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 139 [2023-11-19 02:56:15,905 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:56:15,906 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:56:15,907 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:56:15,907 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:56:15,919 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:15" (1/1) ... [2023-11-19 02:56:15,920 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:15" (1/1) ... [2023-11-19 02:56:15,935 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:15" (1/1) ... [2023-11-19 02:56:15,936 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:15" (1/1) ... [2023-11-19 02:56:15,941 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:15" (1/1) ... [2023-11-19 02:56:15,959 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:15" (1/1) ... [2023-11-19 02:56:15,961 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:15" (1/1) ... [2023-11-19 02:56:15,963 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:15" (1/1) ... [2023-11-19 02:56:15,966 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:56:15,980 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:56:15,980 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:56:15,980 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:56:15,981 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:15" (1/1) ... [2023-11-19 02:56:15,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:56:16,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f0eec-6aaf-4532-9c84-65913ff94971/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:56:16,028 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f0eec-6aaf-4532-9c84-65913ff94971/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:56:16,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f0eec-6aaf-4532-9c84-65913ff94971/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:56:16,092 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:56:16,093 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 02:56:16,093 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 02:56:16,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:56:16,093 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:56:16,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:56:16,095 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 02:56:16,095 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 02:56:16,185 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:56:16,187 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:56:16,737 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:56:16,788 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:56:16,799 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-19 02:56:16,805 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:56:16 BoogieIcfgContainer [2023-11-19 02:56:16,805 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:56:16,806 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:56:16,806 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:56:16,819 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:56:16,820 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:56:16" (1/1) ... [2023-11-19 02:56:16,831 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:56:16,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:16,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 125 states and 137 transitions. [2023-11-19 02:56:16,907 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 137 transitions. [2023-11-19 02:56:16,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 02:56:16,913 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:16,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:17,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:17,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:17,227 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:56:17,234 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:17,275 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:56:17,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:17,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 125 states and 136 transitions. [2023-11-19 02:56:17,319 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 136 transitions. [2023-11-19 02:56:17,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 02:56:17,321 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:17,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:17,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:17,437 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:56:17,441 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:17,574 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:56:17,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:17,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 128 states and 141 transitions. [2023-11-19 02:56:17,692 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 141 transitions. [2023-11-19 02:56:17,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 02:56:17,693 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:17,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:17,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:17,775 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:56:17,780 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:17,878 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:56:18,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:18,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 132 states and 148 transitions. [2023-11-19 02:56:18,137 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 148 transitions. [2023-11-19 02:56:18,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 02:56:18,139 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:18,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:18,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:18,181 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:56:18,183 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:18,219 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:56:18,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:18,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 137 states and 157 transitions. [2023-11-19 02:56:18,587 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 157 transitions. [2023-11-19 02:56:18,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 02:56:18,588 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:18,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:18,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:18,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:18,644 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:56:18,646 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:18,649 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:56:18,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:18,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 137 states and 156 transitions. [2023-11-19 02:56:18,665 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 156 transitions. [2023-11-19 02:56:18,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 02:56:18,666 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:18,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:18,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:18,703 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:56:18,704 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:18,719 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:56:18,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:18,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 138 states and 157 transitions. [2023-11-19 02:56:18,747 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 157 transitions. [2023-11-19 02:56:18,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 02:56:18,748 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:18,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:18,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:18,789 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:56:18,791 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:18,808 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:56:18,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:18,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 142 states and 165 transitions. [2023-11-19 02:56:18,855 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 165 transitions. [2023-11-19 02:56:18,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 02:56:18,856 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:18,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:18,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:18,932 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:56:18,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:18,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 142 states and 164 transitions. [2023-11-19 02:56:18,957 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 164 transitions. [2023-11-19 02:56:18,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 02:56:18,958 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:18,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:18,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:18,993 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:56:18,994 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:19,030 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:56:19,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:19,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 148 states and 178 transitions. [2023-11-19 02:56:19,304 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 178 transitions. [2023-11-19 02:56:19,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 02:56:19,305 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:19,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:19,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:19,341 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:56:19,343 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:19,449 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:56:19,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:19,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 151 states and 182 transitions. [2023-11-19 02:56:19,761 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 182 transitions. [2023-11-19 02:56:19,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 02:56:19,762 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:19,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:19,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:19,800 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:56:19,801 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:19,817 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:56:19,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:19,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 152 states and 183 transitions. [2023-11-19 02:56:19,842 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 183 transitions. [2023-11-19 02:56:19,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 02:56:19,843 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:19,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:19,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:19,895 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:56:19,897 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:19,918 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:56:19,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:19,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 153 states and 184 transitions. [2023-11-19 02:56:19,943 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 184 transitions. [2023-11-19 02:56:19,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 02:56:19,944 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:19,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:19,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:19,979 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:56:19,981 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:20,143 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:56:20,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:20,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 154 states and 185 transitions. [2023-11-19 02:56:20,577 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 185 transitions. [2023-11-19 02:56:20,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 02:56:20,578 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:20,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:20,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:20,616 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:56:20,624 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:20,769 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:56:21,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:21,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 160 states and 196 transitions. [2023-11-19 02:56:21,273 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 196 transitions. [2023-11-19 02:56:21,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 02:56:21,273 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:21,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:21,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:21,306 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:56:21,308 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:21,371 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:56:21,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:21,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 166 states and 207 transitions. [2023-11-19 02:56:21,686 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 207 transitions. [2023-11-19 02:56:21,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 02:56:21,687 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:21,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:21,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:21,730 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:56:21,732 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:21,747 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:56:22,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:22,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 173 states and 217 transitions. [2023-11-19 02:56:22,341 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 217 transitions. [2023-11-19 02:56:22,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 02:56:22,342 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:22,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:22,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:22,370 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:56:22,371 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:22,490 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:56:22,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:22,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 178 states and 225 transitions. [2023-11-19 02:56:22,984 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 225 transitions. [2023-11-19 02:56:22,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 02:56:22,984 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:22,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:23,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:23,018 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:56:23,019 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:23,069 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:56:23,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:23,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 185 states and 238 transitions. [2023-11-19 02:56:23,462 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 238 transitions. [2023-11-19 02:56:23,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 02:56:23,463 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:23,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:23,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:23,491 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:56:23,492 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:23,510 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:56:23,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:23,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 186 states and 239 transitions. [2023-11-19 02:56:23,533 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 239 transitions. [2023-11-19 02:56:23,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 02:56:23,533 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:23,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:23,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:23,564 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:56:23,565 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:23,619 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:56:24,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:24,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 194 states and 254 transitions. [2023-11-19 02:56:24,418 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 254 transitions. [2023-11-19 02:56:24,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 02:56:24,419 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:24,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:24,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:24,455 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:56:24,456 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:24,552 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:56:25,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:25,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 197 states and 259 transitions. [2023-11-19 02:56:25,034 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 259 transitions. [2023-11-19 02:56:25,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 02:56:25,034 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:25,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:25,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:25,073 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 02:56:25,079 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:25,253 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:56:25,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:25,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 200 states and 262 transitions. [2023-11-19 02:56:25,767 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 262 transitions. [2023-11-19 02:56:25,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 02:56:25,767 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:25,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:25,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:25,801 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:56:25,803 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:25,819 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:56:25,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:25,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 201 states and 263 transitions. [2023-11-19 02:56:25,842 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 263 transitions. [2023-11-19 02:56:25,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 02:56:25,843 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:25,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:25,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:25,878 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:56:25,880 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:25,969 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:56:26,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:26,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 202 states and 264 transitions. [2023-11-19 02:56:26,553 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 264 transitions. [2023-11-19 02:56:26,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 02:56:26,554 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:26,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:26,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:26,585 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 02:56:26,586 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:26,668 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:56:27,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:27,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 203 states and 265 transitions. [2023-11-19 02:56:27,027 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 265 transitions. [2023-11-19 02:56:27,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 02:56:27,028 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:27,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:27,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:27,061 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:56:27,063 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:27,257 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:56:28,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:28,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 211 states and 277 transitions. [2023-11-19 02:56:28,322 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 277 transitions. [2023-11-19 02:56:28,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 02:56:28,323 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:28,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:28,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:28,353 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:56:28,355 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:28,557 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:56:30,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:30,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 224 states and 295 transitions. [2023-11-19 02:56:30,418 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 295 transitions. [2023-11-19 02:56:30,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 02:56:30,419 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:30,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:30,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:30,448 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:56:30,450 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:30,700 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:56:32,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:32,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 233 states and 311 transitions. [2023-11-19 02:56:32,219 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 311 transitions. [2023-11-19 02:56:32,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 02:56:32,220 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:32,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:32,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:32,247 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:56:32,248 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:32,466 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:56:34,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:34,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 247 states and 331 transitions. [2023-11-19 02:56:34,919 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 331 transitions. [2023-11-19 02:56:34,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 02:56:34,920 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:34,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:34,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:34,952 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:56:34,953 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:34,975 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:56:35,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:35,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 256 states and 345 transitions. [2023-11-19 02:56:35,598 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 345 transitions. [2023-11-19 02:56:35,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 02:56:35,598 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:35,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:35,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:35,621 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 02:56:35,622 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:36,047 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:56:37,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:37,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 268 states and 359 transitions. [2023-11-19 02:56:37,840 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 359 transitions. [2023-11-19 02:56:37,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 02:56:37,841 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:37,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:37,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:37,876 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:56:37,877 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:37,902 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:56:37,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:37,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 269 states and 360 transitions. [2023-11-19 02:56:37,925 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 360 transitions. [2023-11-19 02:56:37,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 02:56:37,926 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:37,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:37,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:37,953 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 02:56:37,955 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:38,474 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:56:39,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:39,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 272 states and 364 transitions. [2023-11-19 02:56:39,112 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 364 transitions. [2023-11-19 02:56:39,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 02:56:39,112 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:39,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:39,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:39,145 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 02:56:39,147 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:39,605 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-19 02:56:43,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:43,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 289 states and 402 transitions. [2023-11-19 02:56:43,300 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 402 transitions. [2023-11-19 02:56:43,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 02:56:43,301 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:43,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:43,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:43,334 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:56:43,336 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:43,621 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:56:48,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:48,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 304 states and 430 transitions. [2023-11-19 02:56:48,146 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 430 transitions. [2023-11-19 02:56:48,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 02:56:48,147 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:48,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:48,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:48,184 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 02:56:48,186 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:48,679 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:56:53,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:53,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 320 states and 465 transitions. [2023-11-19 02:56:53,548 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 465 transitions. [2023-11-19 02:56:53,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 02:56:53,549 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:53,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:53,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:53,583 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:56:53,585 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:53,645 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:56:55,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:55,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 324 states and 473 transitions. [2023-11-19 02:56:55,557 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 473 transitions. [2023-11-19 02:56:55,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 02:56:55,558 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:55,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:55,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:55,588 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 02:56:55,589 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:55,618 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:56:55,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:55,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 325 states and 478 transitions. [2023-11-19 02:56:55,972 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 478 transitions. [2023-11-19 02:56:55,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 02:56:55,973 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:55,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:56,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:56,004 INFO L262 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:56:56,005 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:56,348 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:57:02,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:02,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 341 states and 509 transitions. [2023-11-19 02:57:02,682 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 509 transitions. [2023-11-19 02:57:02,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 02:57:02,683 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:02,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:02,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:02,718 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 02:57:02,719 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:57:02,741 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:57:06,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:06,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 356 states and 543 transitions. [2023-11-19 02:57:06,893 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 543 transitions. [2023-11-19 02:57:06,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 02:57:06,894 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:06,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:06,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:06,926 INFO L262 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:57:06,927 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:57:06,997 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:57:08,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:08,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 360 states and 551 transitions. [2023-11-19 02:57:08,711 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 551 transitions. [2023-11-19 02:57:08,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 02:57:08,713 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:08,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:08,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:08,744 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 02:57:08,745 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:57:08,785 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-19 02:57:09,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:09,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 362 states and 554 transitions. [2023-11-19 02:57:09,280 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 554 transitions. [2023-11-19 02:57:09,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 02:57:09,281 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:09,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:09,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:09,313 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:57:09,313 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:57:09,671 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.