./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard-ll_valuebound100.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_132004b9-546d-454c-be36-e052362f05c9/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_132004b9-546d-454c-be36-e052362f05c9/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_132004b9-546d-454c-be36-e052362f05c9/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_132004b9-546d-454c-be36-e052362f05c9/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard-ll_valuebound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_132004b9-546d-454c-be36-e052362f05c9/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_132004b9-546d-454c-be36-e052362f05c9/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 e3523bc8254ad35e64aad06fd6e3c84672a9aa19521e18482795d6584edb45d0 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:16:39,420 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:16:39,490 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_132004b9-546d-454c-be36-e052362f05c9/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 03:16:39,495 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:16:39,495 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:16:39,519 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:16:39,520 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:16:39,520 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:16:39,521 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:16:39,522 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:16:39,522 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:16:39,523 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:16:39,524 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:16:39,524 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:16:39,525 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:16:39,525 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:16:39,526 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:16:39,527 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:16:39,527 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:16:39,528 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:16:39,528 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:16:39,532 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:16:39,533 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:16:39,533 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:16:39,534 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:16:39,534 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:16:39,535 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:16:39,541 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:16:39,541 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:16:39,542 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:16:39,542 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:16:39,543 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:16:39,543 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:16:39,544 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:16:39,544 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:16:39,544 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_132004b9-546d-454c-be36-e052362f05c9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_132004b9-546d-454c-be36-e052362f05c9/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e3523bc8254ad35e64aad06fd6e3c84672a9aa19521e18482795d6584edb45d0 [2023-11-19 03:16:39,811 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:16:39,845 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:16:39,848 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:16:39,849 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:16:39,850 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:16:39,851 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_132004b9-546d-454c-be36-e052362f05c9/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/hard-ll_valuebound100.c [2023-11-19 03:16:42,878 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:16:43,150 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:16:43,151 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_132004b9-546d-454c-be36-e052362f05c9/sv-benchmarks/c/nla-digbench-scaling/hard-ll_valuebound100.c [2023-11-19 03:16:43,158 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_132004b9-546d-454c-be36-e052362f05c9/bin/ukojak-verify-G8NBE6pJGL/data/d6a31de1d/2b92172f7f3547e3921e44a1bc976a85/FLAG8b5ff2206 [2023-11-19 03:16:43,171 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_132004b9-546d-454c-be36-e052362f05c9/bin/ukojak-verify-G8NBE6pJGL/data/d6a31de1d/2b92172f7f3547e3921e44a1bc976a85 [2023-11-19 03:16:43,173 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:16:43,175 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:16:43,176 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:16:43,176 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:16:43,181 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:16:43,182 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:16:43" (1/1) ... [2023-11-19 03:16:43,183 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@531a9969 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:43, skipping insertion in model container [2023-11-19 03:16:43,183 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:16:43" (1/1) ... [2023-11-19 03:16:43,205 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:16:43,427 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:16:43,439 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:16:43,465 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:16:43,477 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:16:43,477 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:43 WrapperNode [2023-11-19 03:16:43,477 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:16:43,478 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:16:43,478 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:16:43,479 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:16:43,486 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:43" (1/1) ... [2023-11-19 03:16:43,506 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:43" (1/1) ... [2023-11-19 03:16:43,529 INFO L138 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 86 [2023-11-19 03:16:43,529 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:16:43,530 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:16:43,530 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:16:43,531 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:16:43,543 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:43" (1/1) ... [2023-11-19 03:16:43,544 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:43" (1/1) ... [2023-11-19 03:16:43,545 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:43" (1/1) ... [2023-11-19 03:16:43,546 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:43" (1/1) ... [2023-11-19 03:16:43,557 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:43" (1/1) ... [2023-11-19 03:16:43,568 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:43" (1/1) ... [2023-11-19 03:16:43,569 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:43" (1/1) ... [2023-11-19 03:16:43,570 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:43" (1/1) ... [2023-11-19 03:16:43,573 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:16:43,574 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:16:43,574 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:16:43,574 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:16:43,575 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:43" (1/1) ... [2023-11-19 03:16:43,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:16:43,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_132004b9-546d-454c-be36-e052362f05c9/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:16:43,605 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_132004b9-546d-454c-be36-e052362f05c9/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:16:43,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_132004b9-546d-454c-be36-e052362f05c9/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:16:43,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:16:43,651 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:16:43,651 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:16:43,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:16:43,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:16:43,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:16:43,652 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:16:43,652 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:16:43,723 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:16:43,726 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:16:44,024 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:16:44,070 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:16:44,071 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 03:16:44,076 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:16:44 BoogieIcfgContainer [2023-11-19 03:16:44,076 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:16:44,077 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:16:44,077 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:16:44,085 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:16:44,085 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:16:44" (1/1) ... [2023-11-19 03:16:44,094 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:16:44,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:44,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 72 states and 84 transitions. [2023-11-19 03:16:44,141 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 84 transitions. [2023-11-19 03:16:44,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:16:44,145 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:44,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:44,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:44,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:44,303 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:16:44,308 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:44,332 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 03:16:44,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:44,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 72 states and 82 transitions. [2023-11-19 03:16:44,380 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 82 transitions. [2023-11-19 03:16:44,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:16:44,381 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:44,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:44,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:44,473 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:16:44,476 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:44,524 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 03:16:44,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:44,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 76 states and 88 transitions. [2023-11-19 03:16:44,586 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 88 transitions. [2023-11-19 03:16:44,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:16:44,587 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:44,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:44,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:44,632 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:16:44,634 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:44,662 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 03:16:44,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:44,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 77 states and 89 transitions. [2023-11-19 03:16:44,682 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 89 transitions. [2023-11-19 03:16:44,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 03:16:44,683 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:44,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:44,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:44,741 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:16:44,744 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:44,802 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 03:16:44,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:44,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 80 states and 95 transitions. [2023-11-19 03:16:44,904 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 95 transitions. [2023-11-19 03:16:44,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 03:16:44,906 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:44,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:44,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:44,950 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:16:44,952 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:44,983 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 03:16:45,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:45,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 84 states and 105 transitions. [2023-11-19 03:16:45,168 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 105 transitions. [2023-11-19 03:16:45,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 03:16:45,170 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:45,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:45,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:45,210 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:16:45,213 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:45,249 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 03:16:45,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:45,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 88 states and 113 transitions. [2023-11-19 03:16:45,528 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 113 transitions. [2023-11-19 03:16:45,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 03:16:45,529 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:45,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:45,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:45,565 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:16:45,567 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:45,592 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 03:16:45,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:45,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 89 states and 114 transitions. [2023-11-19 03:16:45,613 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 114 transitions. [2023-11-19 03:16:45,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 03:16:45,614 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:45,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:45,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:45,649 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:16:45,651 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:45,691 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 03:16:46,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:46,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 94 states and 125 transitions. [2023-11-19 03:16:46,040 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 125 transitions. [2023-11-19 03:16:46,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 03:16:46,041 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:46,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:46,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:46,124 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:16:46,126 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:46,235 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 03:16:46,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:46,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 100 states and 138 transitions. [2023-11-19 03:16:46,701 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 138 transitions. [2023-11-19 03:16:46,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 03:16:46,702 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:46,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:46,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:46,734 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:16:46,736 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:46,779 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 03:16:47,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:47,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 106 states and 149 transitions. [2023-11-19 03:16:47,170 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 149 transitions. [2023-11-19 03:16:47,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 03:16:47,171 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:47,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:47,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:47,221 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:16:47,232 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:47,351 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 03:16:47,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:47,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 111 states and 158 transitions. [2023-11-19 03:16:47,832 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 158 transitions. [2023-11-19 03:16:47,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 03:16:47,834 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:47,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:47,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:47,869 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:16:47,871 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:47,960 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-19 03:16:48,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:48,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 118 states and 171 transitions. [2023-11-19 03:16:48,398 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 171 transitions. [2023-11-19 03:16:48,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 03:16:48,399 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:48,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:48,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:48,449 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:16:48,450 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:48,538 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-19 03:16:49,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:49,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 126 states and 185 transitions. [2023-11-19 03:16:49,123 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 185 transitions. [2023-11-19 03:16:49,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 03:16:49,124 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:49,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:49,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:49,159 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:16:49,160 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:50,106 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 03:16:51,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:51,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 134 states and 199 transitions. [2023-11-19 03:16:51,759 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 199 transitions. [2023-11-19 03:16:51,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 03:16:51,761 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:51,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:51,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:51,794 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:16:51,796 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:52,569 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 03:16:53,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:53,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 139 states and 212 transitions. [2023-11-19 03:16:53,648 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 212 transitions. [2023-11-19 03:16:53,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 03:16:53,649 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:53,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:53,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:53,685 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:16:53,686 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:53,715 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-11-19 03:16:54,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:54,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 145 states and 222 transitions. [2023-11-19 03:16:54,207 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 222 transitions. [2023-11-19 03:16:54,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 03:16:54,208 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:54,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:54,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:54,269 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:16:54,270 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:54,300 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-11-19 03:16:55,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:55,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 155 states and 238 transitions. [2023-11-19 03:16:55,308 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 238 transitions. [2023-11-19 03:16:55,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 03:16:55,309 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:55,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:55,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:55,356 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:16:55,357 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:55,385 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-11-19 03:16:55,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:55,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 156 states and 239 transitions. [2023-11-19 03:16:55,417 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 239 transitions. [2023-11-19 03:16:55,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 03:16:55,419 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:55,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:55,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:55,460 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:16:55,462 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:55,578 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-11-19 03:16:55,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:55,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 165 states and 251 transitions. [2023-11-19 03:16:55,920 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 251 transitions. [2023-11-19 03:16:55,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 03:16:55,921 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:55,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:55,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:55,955 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:16:55,957 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:56,007 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-11-19 03:16:56,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:56,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 173 states and 261 transitions. [2023-11-19 03:16:56,851 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 261 transitions. [2023-11-19 03:16:56,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 03:16:56,852 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:56,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:56,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:56,882 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:16:56,883 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:56,960 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-11-19 03:16:57,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:57,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 182 states and 273 transitions. [2023-11-19 03:16:57,305 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 273 transitions. [2023-11-19 03:16:57,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-19 03:16:57,306 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:57,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:57,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:57,337 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:16:57,338 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:57,366 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2023-11-19 03:16:58,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:58,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 191 states and 285 transitions. [2023-11-19 03:16:58,540 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 285 transitions. [2023-11-19 03:16:58,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-19 03:16:58,541 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:58,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:58,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:58,572 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:16:58,574 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:58,678 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-19 03:17:00,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:00,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 202 states and 312 transitions. [2023-11-19 03:17:00,094 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 312 transitions. [2023-11-19 03:17:00,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 03:17:00,095 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:00,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:00,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:00,129 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:17:00,130 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:17:00,193 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-19 03:17:01,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:01,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 207 states and 322 transitions. [2023-11-19 03:17:01,067 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 322 transitions. [2023-11-19 03:17:01,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 03:17:01,068 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:01,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:01,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:01,111 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:17:01,113 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:17:01,772 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-19 03:17:03,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:03,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 207 states and 321 transitions. [2023-11-19 03:17:03,195 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 321 transitions. [2023-11-19 03:17:03,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 03:17:03,196 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:03,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:03,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:03,227 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:17:03,228 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:17:03,321 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-19 03:17:04,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:04,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 213 states and 335 transitions. [2023-11-19 03:17:04,263 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 335 transitions. [2023-11-19 03:17:04,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 03:17:04,264 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:04,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:04,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:04,305 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:17:04,307 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:17:04,354 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-19 03:17:04,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:04,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 215 states and 340 transitions. [2023-11-19 03:17:04,692 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 340 transitions. [2023-11-19 03:17:04,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 03:17:04,692 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:04,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:04,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:04,722 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:17:04,723 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:17:04,755 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-19 03:17:05,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:05,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 219 states and 348 transitions. [2023-11-19 03:17:05,332 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 348 transitions. [2023-11-19 03:17:05,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 03:17:05,333 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:05,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:05,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:05,384 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:17:05,385 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:17:05,477 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2023-11-19 03:17:06,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:06,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 221 states and 351 transitions. [2023-11-19 03:17:06,985 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 351 transitions. [2023-11-19 03:17:06,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-19 03:17:06,986 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:06,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:07,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:07,032 INFO L262 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 03:17:07,034 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:17:07,924 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 7 proven. 14 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-19 03:17:10,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:10,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 227 states and 364 transitions. [2023-11-19 03:17:10,992 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 364 transitions. [2023-11-19 03:17:10,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 03:17:10,993 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:10,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:11,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:11,029 INFO L262 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 03:17:11,031 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:17:12,018 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-19 03:17:13,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:13,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 232 states and 377 transitions. [2023-11-19 03:17:13,423 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 377 transitions. [2023-11-19 03:17:13,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-19 03:17:13,424 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:13,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:13,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:13,463 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:17:13,465 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:17:13,617 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2023-11-19 03:17:16,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:16,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 245 states and 402 transitions. [2023-11-19 03:17:16,264 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 402 transitions. [2023-11-19 03:17:16,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-19 03:17:16,265 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:16,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:16,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:16,300 INFO L262 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:17:16,302 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:17:16,762 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2023-11-19 03:17:19,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:19,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 257 states and 421 transitions. [2023-11-19 03:17:19,511 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 421 transitions. [2023-11-19 03:17:19,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 03:17:19,512 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:19,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:19,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:19,553 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:17:19,555 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:17:19,623 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2023-11-19 03:17:21,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:21,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 270 states and 442 transitions. [2023-11-19 03:17:21,873 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 442 transitions. [2023-11-19 03:17:21,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-19 03:17:21,874 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:21,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:21,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:21,910 INFO L262 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:17:21,912 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:17:21,973 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-11-19 03:17:23,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:23,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 278 states and 451 transitions. [2023-11-19 03:17:23,376 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 451 transitions. [2023-11-19 03:17:23,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-19 03:17:23,377 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:23,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:23,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:23,411 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:17:23,413 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:17:24,828 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2023-11-19 03:17:26,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:26,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 292 states and 474 transitions. [2023-11-19 03:17:26,771 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 474 transitions. [2023-11-19 03:17:26,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-19 03:17:26,772 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:26,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:26,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:26,816 INFO L262 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:17:26,828 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:17:26,967 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-11-19 03:17:28,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:28,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 303 states and 504 transitions. [2023-11-19 03:17:28,752 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 504 transitions. [2023-11-19 03:17:28,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-19 03:17:28,753 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:28,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:28,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:28,789 INFO L262 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:17:28,790 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:17:28,830 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2023-11-19 03:17:30,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:30,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 312 states and 515 transitions. [2023-11-19 03:17:30,521 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 515 transitions. [2023-11-19 03:17:30,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-19 03:17:30,522 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:30,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:30,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:30,564 INFO L262 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:17:30,566 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:17:30,769 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-11-19 03:17:32,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:32,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 316 states and 525 transitions. [2023-11-19 03:17:32,231 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 525 transitions. [2023-11-19 03:17:32,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-19 03:17:32,232 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:32,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:32,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:32,268 INFO L262 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:17:32,270 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:17:32,275 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2023-11-19 03:17:32,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:32,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 315 states and 524 transitions. [2023-11-19 03:17:32,305 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 524 transitions. [2023-11-19 03:17:32,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-19 03:17:32,306 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:32,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:32,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:32,343 INFO L262 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:17:32,345 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:17:32,492 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-11-19 03:17:33,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:33,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 321 states and 539 transitions. [2023-11-19 03:17:33,617 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 539 transitions. [2023-11-19 03:17:33,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-19 03:17:33,617 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:33,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:33,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:33,662 INFO L262 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:17:33,664 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:17:33,702 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2023-11-19 03:17:35,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:35,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 328 states and 550 transitions. [2023-11-19 03:17:35,262 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 550 transitions. [2023-11-19 03:17:35,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-19 03:17:35,263 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:35,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:35,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:35,304 INFO L262 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:17:35,306 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:17:35,351 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked.