./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound10.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_0ce847ca-bcae-49cc-af70-fd3de55527b0/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ce847ca-bcae-49cc-af70-fd3de55527b0/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_0ce847ca-bcae-49cc-af70-fd3de55527b0/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ce847ca-bcae-49cc-af70-fd3de55527b0/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ce847ca-bcae-49cc-af70-fd3de55527b0/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_0ce847ca-bcae-49cc-af70-fd3de55527b0/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 357c28cbcf8a6aaf949faeabbb5ae0b19b92db6bb2faeba12cd91e7c958ae977 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:55:17,229 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:55:17,353 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ce847ca-bcae-49cc-af70-fd3de55527b0/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 02:55:17,361 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:55:17,362 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:55:17,398 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:55:17,400 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:55:17,400 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:55:17,402 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:55:17,407 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:55:17,408 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:55:17,409 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:55:17,409 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:55:17,411 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:55:17,412 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:55:17,412 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:55:17,413 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:55:17,413 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:55:17,414 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:55:17,414 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 02:55:17,415 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:55:17,416 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:55:17,416 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:55:17,417 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:55:17,417 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:55:17,418 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:55:17,418 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:55:17,419 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:55:17,420 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:55:17,420 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:55:17,422 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:55:17,422 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:55:17,423 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:55:17,423 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:55:17,423 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:55:17,424 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_0ce847ca-bcae-49cc-af70-fd3de55527b0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ce847ca-bcae-49cc-af70-fd3de55527b0/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 357c28cbcf8a6aaf949faeabbb5ae0b19b92db6bb2faeba12cd91e7c958ae977 [2023-11-19 02:55:17,723 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:55:17,755 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:55:17,758 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:55:17,760 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:55:17,760 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:55:17,762 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ce847ca-bcae-49cc-af70-fd3de55527b0/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound10.c [2023-11-19 02:55:20,881 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:55:21,211 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:55:21,212 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ce847ca-bcae-49cc-af70-fd3de55527b0/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound10.c [2023-11-19 02:55:21,218 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ce847ca-bcae-49cc-af70-fd3de55527b0/bin/ukojak-verify-G8NBE6pJGL/data/081f24f06/7981d0f87c8649d09852e58e757e22c9/FLAG755bc0702 [2023-11-19 02:55:21,232 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ce847ca-bcae-49cc-af70-fd3de55527b0/bin/ukojak-verify-G8NBE6pJGL/data/081f24f06/7981d0f87c8649d09852e58e757e22c9 [2023-11-19 02:55:21,235 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:55:21,236 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:55:21,238 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:55:21,238 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:55:21,243 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:55:21,244 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:55:21" (1/1) ... [2023-11-19 02:55:21,245 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d04704f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:21, skipping insertion in model container [2023-11-19 02:55:21,246 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:55:21" (1/1) ... [2023-11-19 02:55:21,267 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:55:21,450 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:55:21,459 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:55:21,481 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:55:21,495 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:55:21,496 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:21 WrapperNode [2023-11-19 02:55:21,496 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:55:21,497 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:55:21,498 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:55:21,498 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:55:21,505 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:21" (1/1) ... [2023-11-19 02:55:21,513 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:21" (1/1) ... [2023-11-19 02:55:21,534 INFO L138 Inliner]: procedures = 14, calls = 24, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 90 [2023-11-19 02:55:21,535 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:55:21,535 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:55:21,536 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:55:21,536 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:55:21,544 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:21" (1/1) ... [2023-11-19 02:55:21,544 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:21" (1/1) ... [2023-11-19 02:55:21,546 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:21" (1/1) ... [2023-11-19 02:55:21,546 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:21" (1/1) ... [2023-11-19 02:55:21,552 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:21" (1/1) ... [2023-11-19 02:55:21,555 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:21" (1/1) ... [2023-11-19 02:55:21,557 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:21" (1/1) ... [2023-11-19 02:55:21,558 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:21" (1/1) ... [2023-11-19 02:55:21,560 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:55:21,561 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:55:21,561 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:55:21,561 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:55:21,562 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:21" (1/1) ... [2023-11-19 02:55:21,568 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:55:21,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ce847ca-bcae-49cc-af70-fd3de55527b0/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:55:21,599 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ce847ca-bcae-49cc-af70-fd3de55527b0/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:55:21,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ce847ca-bcae-49cc-af70-fd3de55527b0/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:55:21,639 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:55:21,639 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 02:55:21,640 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 02:55:21,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:55:21,640 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:55:21,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:55:21,641 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 02:55:21,641 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 02:55:21,699 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:55:21,701 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:55:21,941 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:55:21,979 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:55:21,979 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-19 02:55:21,984 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:55:21 BoogieIcfgContainer [2023-11-19 02:55:21,984 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:55:21,985 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:55:21,985 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:55:21,996 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:55:21,996 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:55:21" (1/1) ... [2023-11-19 02:55:22,007 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:55:22,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:22,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 38 states and 53 transitions. [2023-11-19 02:55:22,065 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 53 transitions. [2023-11-19 02:55:22,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 02:55:22,071 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:22,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:22,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:22,442 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 02:55:22,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:22,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 40 states and 55 transitions. [2023-11-19 02:55:22,517 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 55 transitions. [2023-11-19 02:55:22,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 02:55:22,518 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:22,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:22,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:22,662 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 02:55:22,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:22,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 41 states and 56 transitions. [2023-11-19 02:55:22,719 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 56 transitions. [2023-11-19 02:55:22,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 02:55:22,725 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:22,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:22,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:22,825 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:55:22,832 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:23,024 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 02:55:23,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:23,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 48 states and 74 transitions. [2023-11-19 02:55:23,230 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 74 transitions. [2023-11-19 02:55:23,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 02:55:23,233 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:23,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:23,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:23,310 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:55:23,313 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:23,395 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 02:55:23,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:23,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 53 states and 87 transitions. [2023-11-19 02:55:23,684 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 87 transitions. [2023-11-19 02:55:23,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 02:55:23,687 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:23,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:23,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:23,757 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:55:23,768 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:23,929 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 02:55:24,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:24,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 62 states and 107 transitions. [2023-11-19 02:55:24,520 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 107 transitions. [2023-11-19 02:55:24,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 02:55:24,523 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:24,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:24,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:24,588 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:55:24,593 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:24,721 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:55:24,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:24,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 68 states and 115 transitions. [2023-11-19 02:55:24,951 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 115 transitions. [2023-11-19 02:55:24,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 02:55:24,953 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:24,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:25,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:25,004 INFO L262 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:55:25,006 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:25,151 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 02:55:25,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:25,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 75 states and 134 transitions. [2023-11-19 02:55:25,653 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 134 transitions. [2023-11-19 02:55:25,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 02:55:25,655 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:25,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:25,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:25,707 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:55:25,710 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:25,790 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:55:25,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:25,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 76 states and 135 transitions. [2023-11-19 02:55:25,847 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 135 transitions. [2023-11-19 02:55:25,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 02:55:25,857 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:25,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:25,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:25,908 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:55:25,919 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:26,031 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:55:26,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:26,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 80 states and 142 transitions. [2023-11-19 02:55:26,309 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 142 transitions. [2023-11-19 02:55:26,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 02:55:26,310 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:26,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:26,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:26,364 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:55:26,366 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:26,601 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-19 02:55:28,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:28,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 92 states and 170 transitions. [2023-11-19 02:55:28,584 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 170 transitions. [2023-11-19 02:55:28,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 02:55:28,585 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:28,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:28,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:28,625 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 02:55:28,627 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:28,797 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:55:29,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:29,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 96 states and 173 transitions. [2023-11-19 02:55:29,561 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 173 transitions. [2023-11-19 02:55:29,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 02:55:29,562 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:29,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:29,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:29,610 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 02:55:29,612 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:29,798 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:55:30,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:30,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 96 states and 170 transitions. [2023-11-19 02:55:30,062 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 170 transitions. [2023-11-19 02:55:30,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 02:55:30,063 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:30,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:30,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:30,101 INFO L262 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 02:55:30,103 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:30,368 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:55:31,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:31,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 101 states and 179 transitions. [2023-11-19 02:55:31,475 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 179 transitions. [2023-11-19 02:55:31,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 02:55:31,476 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:31,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:31,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:31,520 INFO L262 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 02:55:31,522 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:31,634 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:55:31,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:31,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 103 states and 183 transitions. [2023-11-19 02:55:31,990 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 183 transitions. [2023-11-19 02:55:31,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 02:55:31,992 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:31,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:32,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:32,031 INFO L262 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 02:55:32,033 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:32,141 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:55:32,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:32,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 106 states and 186 transitions. [2023-11-19 02:55:32,463 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 186 transitions. [2023-11-19 02:55:32,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-19 02:55:32,464 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:32,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:32,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:32,506 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 02:55:32,508 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:32,738 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:55:34,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:34,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 114 states and 211 transitions. [2023-11-19 02:55:34,370 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 211 transitions. [2023-11-19 02:55:34,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-19 02:55:34,371 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:34,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:34,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:34,410 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 02:55:34,412 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:34,493 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:55:34,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:34,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 116 states and 213 transitions. [2023-11-19 02:55:34,902 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 213 transitions. [2023-11-19 02:55:34,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-19 02:55:34,904 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:34,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:34,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:34,942 INFO L262 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 02:55:34,944 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:35,097 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:55:35,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:35,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 120 states and 223 transitions. [2023-11-19 02:55:35,483 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 223 transitions. [2023-11-19 02:55:35,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 02:55:35,489 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:35,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:35,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:35,533 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:55:35,535 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:35,821 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:55:36,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:36,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 120 states and 221 transitions. [2023-11-19 02:55:36,146 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 221 transitions. [2023-11-19 02:55:36,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 02:55:36,147 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:36,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:36,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:36,184 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 02:55:36,185 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:36,916 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:55:38,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:38,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 124 states and 229 transitions. [2023-11-19 02:55:38,398 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 229 transitions. [2023-11-19 02:55:38,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 02:55:38,399 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:38,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:38,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:38,437 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:55:38,439 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:38,739 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:55:39,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:39,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 124 states and 225 transitions. [2023-11-19 02:55:39,047 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 225 transitions. [2023-11-19 02:55:39,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-19 02:55:39,048 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:39,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:39,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:39,085 INFO L262 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 02:55:39,087 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:39,310 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:55:40,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:40,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 131 states and 243 transitions. [2023-11-19 02:55:40,676 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 243 transitions. [2023-11-19 02:55:40,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-19 02:55:40,684 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:40,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:40,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:40,723 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:55:40,725 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:40,983 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:55:42,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:42,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 136 states and 251 transitions. [2023-11-19 02:55:42,572 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 251 transitions. [2023-11-19 02:55:42,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-19 02:55:42,573 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:42,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:42,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:42,611 INFO L262 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 02:55:42,612 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:42,664 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:55:43,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:43,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 138 states and 253 transitions. [2023-11-19 02:55:43,011 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 253 transitions. [2023-11-19 02:55:43,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-19 02:55:43,012 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:43,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:43,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:43,054 INFO L262 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 02:55:43,056 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:43,230 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:55:43,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:43,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 141 states and 256 transitions. [2023-11-19 02:55:43,507 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 256 transitions. [2023-11-19 02:55:43,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-19 02:55:43,508 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:43,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:43,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:43,546 INFO L262 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:55:43,548 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:43,721 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 2 proven. 26 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:55:45,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:45,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 147 states and 274 transitions. [2023-11-19 02:55:45,154 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 274 transitions. [2023-11-19 02:55:45,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-19 02:55:45,155 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:45,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:45,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:45,208 INFO L262 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:55:45,209 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:45,294 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 2 proven. 30 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:55:45,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:45,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 149 states and 277 transitions. [2023-11-19 02:55:45,713 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 277 transitions. [2023-11-19 02:55:45,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-19 02:55:45,715 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:45,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:45,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:45,778 INFO L262 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:55:45,779 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:45,973 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:55:46,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:46,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 155 states and 296 transitions. [2023-11-19 02:55:46,828 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 296 transitions. [2023-11-19 02:55:46,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 02:55:46,830 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:46,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:46,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:46,869 INFO L262 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 02:55:46,871 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:47,407 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:55:49,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:49,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 160 states and 304 transitions. [2023-11-19 02:55:49,139 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 304 transitions. [2023-11-19 02:55:49,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 02:55:49,142 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:49,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:49,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:49,201 INFO L262 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 02:55:49,203 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:49,753 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:55:50,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:50,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 160 states and 298 transitions. [2023-11-19 02:55:50,147 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 298 transitions. [2023-11-19 02:55:50,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 02:55:50,148 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:50,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:50,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:50,192 INFO L262 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 02:55:50,204 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:50,733 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:55:51,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:51,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 160 states and 293 transitions. [2023-11-19 02:55:51,137 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 293 transitions. [2023-11-19 02:55:51,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-19 02:55:51,138 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:51,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:51,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:51,179 INFO L262 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 02:55:51,181 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:51,508 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:55:53,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:53,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 167 states and 311 transitions. [2023-11-19 02:55:53,052 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 311 transitions. [2023-11-19 02:55:53,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-19 02:55:53,053 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:53,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:53,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:53,096 INFO L262 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 02:55:53,098 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:53,419 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:55:55,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:55,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 172 states and 318 transitions. [2023-11-19 02:55:55,102 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 318 transitions. [2023-11-19 02:55:55,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-19 02:55:55,103 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:55,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:55,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:55,144 INFO L262 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 02:55:55,145 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:55,202 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:55:55,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:55,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 174 states and 320 transitions. [2023-11-19 02:55:55,680 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 320 transitions. [2023-11-19 02:55:55,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-19 02:55:55,681 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:55,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:55,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:55,726 INFO L262 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 02:55:55,728 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:55,909 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:55:56,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:56,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 177 states and 323 transitions. [2023-11-19 02:55:56,275 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 323 transitions. [2023-11-19 02:55:56,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-19 02:55:56,276 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:56,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:56,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:56,329 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 02:55:56,336 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:56,597 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 4 proven. 36 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:55:58,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:58,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 184 states and 342 transitions. [2023-11-19 02:55:58,337 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 342 transitions. [2023-11-19 02:55:58,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-19 02:55:58,338 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:58,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:58,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:58,381 INFO L262 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 02:55:58,384 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:58,641 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 2 proven. 50 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:56:00,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:00,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 192 states and 371 transitions. [2023-11-19 02:56:00,403 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 371 transitions. [2023-11-19 02:56:00,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-19 02:56:00,404 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:00,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:00,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:00,445 INFO L262 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 02:56:00,447 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:00,541 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 2 proven. 56 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:56:01,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:01,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 192 states and 369 transitions. [2023-11-19 02:56:01,005 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 369 transitions. [2023-11-19 02:56:01,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-19 02:56:01,006 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:01,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:01,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:01,046 INFO L262 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 02:56:01,048 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:01,140 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 2 proven. 56 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:56:01,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:01,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 194 states and 371 transitions. [2023-11-19 02:56:01,354 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 371 transitions. [2023-11-19 02:56:01,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-19 02:56:01,355 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:01,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:01,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:01,395 INFO L262 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:56:01,396 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:02,032 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-11-19 02:56:05,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:05,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 206 states and 409 transitions. [2023-11-19 02:56:05,937 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 409 transitions. [2023-11-19 02:56:05,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-19 02:56:05,938 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:05,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:06,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:06,027 INFO L262 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 02:56:06,032 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:06,796 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:56:07,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:07,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 206 states and 401 transitions. [2023-11-19 02:56:07,312 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 401 transitions. [2023-11-19 02:56:07,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-19 02:56:07,313 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:07,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:07,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:07,357 INFO L262 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-19 02:56:07,359 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:08,024 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:56:10,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:10,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 212 states and 422 transitions. [2023-11-19 02:56:10,157 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 422 transitions. [2023-11-19 02:56:10,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-19 02:56:10,158 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:10,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:10,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:10,215 INFO L262 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-19 02:56:10,217 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:10,962 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:56:13,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:13,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 216 states and 430 transitions. [2023-11-19 02:56:13,173 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 430 transitions. [2023-11-19 02:56:13,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-19 02:56:13,175 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:13,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms