./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_valuebound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b701a4-5e66-4858-a389-eca1d2ae1964/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b701a4-5e66-4858-a389-eca1d2ae1964/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b701a4-5e66-4858-a389-eca1d2ae1964/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b701a4-5e66-4858-a389-eca1d2ae1964/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_valuebound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b701a4-5e66-4858-a389-eca1d2ae1964/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b701a4-5e66-4858-a389-eca1d2ae1964/bin/ukojak-verify-i0I2FZA1j2 --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 d97e16340b134520fbcd52e88b56205e8eec0d97e940a97449195072afa1eb85 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:35:27,361 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:35:27,466 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b701a4-5e66-4858-a389-eca1d2ae1964/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:35:27,472 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:35:27,473 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:35:27,499 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:35:27,500 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:35:27,501 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:35:27,502 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:35:27,503 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:35:27,504 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:35:27,505 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:35:27,505 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:35:27,506 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:35:27,507 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:35:27,508 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:35:27,508 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:35:27,509 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:35:27,510 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:35:27,510 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:35:27,511 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:35:27,512 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:35:27,512 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:35:27,513 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:35:27,514 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:35:27,514 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:35:27,515 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:35:27,516 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:35:27,516 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:35:27,517 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:35:27,517 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:35:27,518 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:35:27,519 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:35:27,519 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:35:27,520 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:35:27,520 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_c5b701a4-5e66-4858-a389-eca1d2ae1964/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b701a4-5e66-4858-a389-eca1d2ae1964/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d97e16340b134520fbcd52e88b56205e8eec0d97e940a97449195072afa1eb85 [2023-11-21 18:35:27,866 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:35:27,896 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:35:27,899 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:35:27,902 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:35:27,902 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:35:27,904 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b701a4-5e66-4858-a389-eca1d2ae1964/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_valuebound50.c [2023-11-21 18:35:30,986 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:35:31,230 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:35:31,230 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b701a4-5e66-4858-a389-eca1d2ae1964/sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_valuebound50.c [2023-11-21 18:35:31,239 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b701a4-5e66-4858-a389-eca1d2ae1964/bin/ukojak-verify-i0I2FZA1j2/data/3022fb94a/9209639cee23453da460a324f19e53b7/FLAG4932c8757 [2023-11-21 18:35:31,254 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b701a4-5e66-4858-a389-eca1d2ae1964/bin/ukojak-verify-i0I2FZA1j2/data/3022fb94a/9209639cee23453da460a324f19e53b7 [2023-11-21 18:35:31,262 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:35:31,265 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:35:31,266 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:35:31,267 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:35:31,272 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:35:31,273 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:35:31" (1/1) ... [2023-11-21 18:35:31,274 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74296e50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:31, skipping insertion in model container [2023-11-21 18:35:31,275 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:35:31" (1/1) ... [2023-11-21 18:35:31,299 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:35:31,493 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:35:31,503 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:35:31,586 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:35:31,601 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:35:31,601 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:31 WrapperNode [2023-11-21 18:35:31,601 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:35:31,603 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:35:31,603 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:35:31,603 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:35:31,611 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:31" (1/1) ... [2023-11-21 18:35:31,618 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:31" (1/1) ... [2023-11-21 18:35:31,641 INFO L138 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 93 [2023-11-21 18:35:31,642 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:35:31,642 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:35:31,643 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:35:31,643 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:35:31,652 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:31" (1/1) ... [2023-11-21 18:35:31,653 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:31" (1/1) ... [2023-11-21 18:35:31,655 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:31" (1/1) ... [2023-11-21 18:35:31,655 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:31" (1/1) ... [2023-11-21 18:35:31,659 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:31" (1/1) ... [2023-11-21 18:35:31,663 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:31" (1/1) ... [2023-11-21 18:35:31,664 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:31" (1/1) ... [2023-11-21 18:35:31,665 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:31" (1/1) ... [2023-11-21 18:35:31,667 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:35:31,668 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:35:31,668 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:35:31,669 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:35:31,670 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:31" (1/1) ... [2023-11-21 18:35:31,676 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:35:31,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b701a4-5e66-4858-a389-eca1d2ae1964/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:35:31,707 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b701a4-5e66-4858-a389-eca1d2ae1964/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:35:31,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5b701a4-5e66-4858-a389-eca1d2ae1964/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:35:31,744 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:35:31,744 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:35:31,744 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:35:31,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:35:31,745 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:35:31,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:35:31,745 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:35:31,745 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:35:31,807 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:35:31,809 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:35:32,114 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:35:32,162 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:35:32,162 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 18:35:32,164 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:35:32 BoogieIcfgContainer [2023-11-21 18:35:32,164 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:35:32,165 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:35:32,166 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:35:32,177 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:35:32,178 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:35:32" (1/1) ... [2023-11-21 18:35:32,188 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:35:32,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:32,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 83 states and 94 transitions. [2023-11-21 18:35:32,253 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 94 transitions. [2023-11-21 18:35:32,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:35:32,258 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:32,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:32,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:32,492 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:35:32,497 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:35:32,560 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:35:32,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:32,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 85 states and 96 transitions. [2023-11-21 18:35:32,639 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 96 transitions. [2023-11-21 18:35:32,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:35:32,640 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:32,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:32,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:32,723 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:35:32,725 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:35:32,745 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:35:32,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:32,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 86 states and 97 transitions. [2023-11-21 18:35:32,785 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 97 transitions. [2023-11-21 18:35:32,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:35:32,786 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:32,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:32,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:32,876 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:35:32,879 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:35:32,924 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:35:33,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:33,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 91 states and 105 transitions. [2023-11-21 18:35:33,046 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 105 transitions. [2023-11-21 18:35:33,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:35:33,047 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:33,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:33,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:33,109 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:35:33,112 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:35:33,141 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:35:33,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:33,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 92 states and 106 transitions. [2023-11-21 18:35:33,161 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 106 transitions. [2023-11-21 18:35:33,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:35:33,162 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:33,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:33,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:33,237 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:35:33,241 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:35:33,411 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:35:33,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:33,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 99 states and 116 transitions. [2023-11-21 18:35:33,680 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 116 transitions. [2023-11-21 18:35:33,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:35:33,681 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:33,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:33,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:33,714 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:35:33,716 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:35:33,806 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:35:34,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:34,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 107 states and 128 transitions. [2023-11-21 18:35:34,179 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 128 transitions. [2023-11-21 18:35:34,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:35:34,180 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:34,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:34,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:34,226 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:35:34,228 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:35:34,282 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-21 18:35:34,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:34,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 110 states and 133 transitions. [2023-11-21 18:35:34,349 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 133 transitions. [2023-11-21 18:35:34,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:35:34,350 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:34,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:34,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:34,392 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:35:34,393 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:35:34,436 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-21 18:35:34,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:34,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 114 states and 139 transitions. [2023-11-21 18:35:34,556 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 139 transitions. [2023-11-21 18:35:34,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:35:34,558 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:34,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:34,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:34,591 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:35:34,592 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:35:34,595 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-21 18:35:34,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:34,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 114 states and 138 transitions. [2023-11-21 18:35:34,634 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 138 transitions. [2023-11-21 18:35:34,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:35:34,635 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:34,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:34,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:34,668 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:35:34,670 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:35:34,811 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-21 18:35:35,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:35,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 126 states and 160 transitions. [2023-11-21 18:35:35,741 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 160 transitions. [2023-11-21 18:35:35,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:35:35,742 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:35,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:35,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:35,771 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:35:35,772 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:35:35,824 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-21 18:35:36,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:37,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 131 states and 168 transitions. [2023-11-21 18:35:37,000 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 168 transitions. [2023-11-21 18:35:37,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:35:37,001 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:37,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:37,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:37,030 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:35:37,034 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:35:37,150 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-21 18:35:38,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:38,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 144 states and 192 transitions. [2023-11-21 18:35:38,673 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 192 transitions. [2023-11-21 18:35:38,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:35:38,674 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:38,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:38,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:38,706 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:35:38,708 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:35:38,772 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-21 18:35:39,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:40,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 148 states and 196 transitions. [2023-11-21 18:35:40,000 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 196 transitions. [2023-11-21 18:35:40,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-21 18:35:40,001 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:40,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:40,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:40,038 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:35:40,040 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:35:40,077 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:35:41,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:41,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 153 states and 204 transitions. [2023-11-21 18:35:41,306 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 204 transitions. [2023-11-21 18:35:41,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:35:41,307 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:41,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:41,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:41,358 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:35:41,367 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:35:41,402 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:35:42,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:42,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 159 states and 213 transitions. [2023-11-21 18:35:42,851 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 213 transitions. [2023-11-21 18:35:42,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:35:42,852 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:42,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:42,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:42,884 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:35:42,886 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:35:42,911 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:35:43,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:43,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 166 states and 223 transitions. [2023-11-21 18:35:43,874 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 223 transitions. [2023-11-21 18:35:43,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-21 18:35:43,876 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:43,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:43,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:43,910 INFO L262 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:35:43,912 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:35:43,934 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:35:44,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:44,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 174 states and 234 transitions. [2023-11-21 18:35:44,838 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 234 transitions. [2023-11-21 18:35:44,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-21 18:35:44,839 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:44,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:44,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:44,873 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:35:44,875 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:35:44,986 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-11-21 18:35:47,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:47,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 185 states and 251 transitions. [2023-11-21 18:35:47,827 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 251 transitions. [2023-11-21 18:35:47,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-21 18:35:47,828 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:47,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:47,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:47,861 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:35:47,862 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:35:47,981 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-11-21 18:35:50,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:50,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 197 states and 269 transitions. [2023-11-21 18:35:50,974 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 269 transitions. [2023-11-21 18:35:50,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:35:50,975 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:50,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:51,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:51,017 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:35:51,018 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:35:51,109 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-11-21 18:35:54,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:54,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 211 states and 292 transitions. [2023-11-21 18:35:54,650 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 292 transitions. [2023-11-21 18:35:54,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:35:54,650 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:54,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:54,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:54,682 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:35:54,684 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:35:54,869 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:36:01,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:01,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 236 states and 334 transitions. [2023-11-21 18:36:01,149 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 334 transitions. [2023-11-21 18:36:01,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:36:01,150 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:01,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:01,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:01,180 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:36:01,182 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:01,219 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:36:01,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:01,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 236 states and 334 transitions. [2023-11-21 18:36:01,300 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 334 transitions. [2023-11-21 18:36:01,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:36:01,301 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:01,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:01,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:01,337 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:36:01,338 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:01,385 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:36:01,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:01,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 236 states and 334 transitions. [2023-11-21 18:36:01,441 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 334 transitions. [2023-11-21 18:36:01,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:36:01,442 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:01,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:01,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:01,487 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:36:01,489 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:01,869 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:36:08,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:08,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 262 states and 379 transitions. [2023-11-21 18:36:08,051 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 379 transitions. [2023-11-21 18:36:08,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:36:08,052 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:08,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:08,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:08,083 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:36:08,085 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:08,127 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:36:08,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:08,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 262 states and 379 transitions. [2023-11-21 18:36:08,192 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 379 transitions. [2023-11-21 18:36:08,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:36:08,193 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:08,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:08,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:08,223 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:36:08,225 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:08,348 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:36:08,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:08,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 262 states and 379 transitions. [2023-11-21 18:36:08,404 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 379 transitions. [2023-11-21 18:36:08,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:36:08,405 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:08,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:08,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:08,441 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:36:08,443 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:08,541 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:36:08,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:08,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 262 states and 379 transitions. [2023-11-21 18:36:08,603 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 379 transitions. [2023-11-21 18:36:08,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:36:08,610 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:08,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:08,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:08,654 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:36:08,656 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:08,697 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:36:08,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:08,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 262 states and 379 transitions. [2023-11-21 18:36:08,754 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 379 transitions. [2023-11-21 18:36:08,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:36:08,755 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:08,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:08,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:08,784 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:36:08,785 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:08,822 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:36:08,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:08,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 262 states and 379 transitions. [2023-11-21 18:36:08,888 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 379 transitions. [2023-11-21 18:36:08,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:36:08,889 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:08,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:08,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:08,938 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:36:08,939 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:08,978 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:36:09,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:09,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 262 states and 379 transitions. [2023-11-21 18:36:09,039 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 379 transitions. [2023-11-21 18:36:09,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:36:09,041 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:09,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:09,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:09,077 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:36:09,078 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:09,114 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:36:09,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:09,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 262 states and 379 transitions. [2023-11-21 18:36:09,216 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 379 transitions. [2023-11-21 18:36:09,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:36:09,217 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:09,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:09,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:09,248 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:36:09,250 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:09,287 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:36:09,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:09,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 262 states and 379 transitions. [2023-11-21 18:36:09,363 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 379 transitions. [2023-11-21 18:36:09,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:36:09,364 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:09,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:09,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:09,398 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:36:09,400 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:09,441 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:36:09,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:09,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 262 states and 379 transitions. [2023-11-21 18:36:09,506 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 379 transitions. [2023-11-21 18:36:09,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:36:09,508 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:09,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:09,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:09,544 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:36:09,546 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:09,585 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:36:09,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:09,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 262 states and 379 transitions. [2023-11-21 18:36:09,646 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 379 transitions. [2023-11-21 18:36:09,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:36:09,648 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:09,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:09,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:09,683 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:36:09,684 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:09,722 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:36:09,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:09,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 262 states and 379 transitions. [2023-11-21 18:36:09,781 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 379 transitions. [2023-11-21 18:36:09,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:36:09,784 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:09,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:09,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:09,815 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:36:09,817 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:09,857 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:36:09,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:09,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 262 states and 379 transitions. [2023-11-21 18:36:09,916 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 379 transitions. [2023-11-21 18:36:09,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:36:09,917 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:09,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:09,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:09,945 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:36:09,946 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:09,982 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:36:10,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:10,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 262 states and 379 transitions. [2023-11-21 18:36:10,067 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 379 transitions. [2023-11-21 18:36:10,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:36:10,068 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:10,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:10,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:10,101 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:36:10,103 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:10,149 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:36:10,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:10,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 262 states and 379 transitions. [2023-11-21 18:36:10,212 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 379 transitions. [2023-11-21 18:36:10,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:36:10,212 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:10,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:10,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:10,242 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:36:10,243 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:10,281 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:36:10,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:10,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 262 states and 379 transitions. [2023-11-21 18:36:10,372 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 379 transitions. [2023-11-21 18:36:10,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:36:10,373 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:10,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:10,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:10,408 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:36:10,409 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:10,502 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:36:10,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:10,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 262 states and 379 transitions. [2023-11-21 18:36:10,556 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 379 transitions. [2023-11-21 18:36:10,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:36:10,557 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:10,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:10,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:10,585 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:36:10,586 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:10,626 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:36:10,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:10,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 262 states and 379 transitions. [2023-11-21 18:36:10,684 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 379 transitions. [2023-11-21 18:36:10,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:36:10,685 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:10,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:10,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:10,716 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:36:10,717 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:10,757 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:36:10,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:10,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 262 states and 379 transitions. [2023-11-21 18:36:10,838 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 379 transitions. [2023-11-21 18:36:10,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:36:10,839 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:10,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:10,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:10,867 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:36:10,868 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:10,918 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:36:10,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:10,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 262 states and 379 transitions. [2023-11-21 18:36:10,975 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 379 transitions. [2023-11-21 18:36:10,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:36:10,976 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:10,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:11,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:11,011 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:36:11,013 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:11,110 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:36:11,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:11,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 262 states and 379 transitions. [2023-11-21 18:36:11,166 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 379 transitions. [2023-11-21 18:36:11,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:36:11,167 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:11,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:11,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:11,204 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:36:11,206 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:11,247 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:36:11,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:11,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 262 states and 379 transitions. [2023-11-21 18:36:11,307 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 379 transitions. [2023-11-21 18:36:11,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:36:11,307 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:11,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:11,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:11,352 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:36:11,354 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:11,392 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:36:11,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:11,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 262 states and 379 transitions. [2023-11-21 18:36:11,446 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 379 transitions. [2023-11-21 18:36:11,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:36:11,447 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:11,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:11,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:11,489 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:36:11,490 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:11,535 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:36:11,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:11,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 262 states and 379 transitions. [2023-11-21 18:36:11,596 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 379 transitions. [2023-11-21 18:36:11,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:36:11,597 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:11,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:11,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:11,629 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:36:11,630 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:11,691 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:36:11,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:11,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 262 states and 379 transitions. [2023-11-21 18:36:11,747 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 379 transitions. [2023-11-21 18:36:11,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:36:11,747 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:11,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:11,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:11,776 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:36:11,778 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:11,829 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:36:11,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:11,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 262 states and 379 transitions. [2023-11-21 18:36:11,893 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 379 transitions. [2023-11-21 18:36:11,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:36:11,894 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:11,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:11,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:11,923 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:36:11,926 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:11,966 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:36:12,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:12,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 262 states and 379 transitions. [2023-11-21 18:36:12,026 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 379 transitions. [2023-11-21 18:36:12,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:36:12,027 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:12,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:12,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:12,060 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:36:12,061 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:12,107 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:36:12,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:12,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 262 states and 379 transitions. [2023-11-21 18:36:12,181 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 379 transitions. [2023-11-21 18:36:12,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:36:12,182 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:12,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:12,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:12,238 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:36:12,239 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:12,282 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:36:12,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:12,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 262 states and 379 transitions. [2023-11-21 18:36:12,340 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 379 transitions. [2023-11-21 18:36:12,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:36:12,341 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:12,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:12,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:12,368 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:36:12,370 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:12,411 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:36:12,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:12,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 262 states and 379 transitions. [2023-11-21 18:36:12,501 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 379 transitions. [2023-11-21 18:36:12,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:36:12,501 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:12,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:12,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:12,534 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:36:12,535 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:12,581 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:36:12,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:12,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 262 states and 379 transitions. [2023-11-21 18:36:12,655 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 379 transitions. [2023-11-21 18:36:12,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:36:12,656 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:12,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:12,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:12,695 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:36:12,697 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:12,743 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:36:12,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:12,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 262 states and 379 transitions. [2023-11-21 18:36:12,810 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 379 transitions. [2023-11-21 18:36:12,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:36:12,810 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:12,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:12,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:12,843 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:36:12,844 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:12,885 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:36:12,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:12,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 262 states and 379 transitions. [2023-11-21 18:36:12,941 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 379 transitions. [2023-11-21 18:36:12,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:36:12,942 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:12,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:12,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:12,975 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:36:12,976 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:13,013 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:36:13,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:13,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 262 states and 379 transitions. [2023-11-21 18:36:13,064 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 379 transitions. [2023-11-21 18:36:13,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:36:13,065 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:13,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:13,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:13,093 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:36:13,094 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:13,144 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:36:13,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:13,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 262 states and 379 transitions. [2023-11-21 18:36:13,203 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 379 transitions. [2023-11-21 18:36:13,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:36:13,204 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:13,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:13,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:13,237 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:36:13,238 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:13,288 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:36:13,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:13,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 262 states and 379 transitions. [2023-11-21 18:36:13,349 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 379 transitions. [2023-11-21 18:36:13,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:36:13,350 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:13,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:13,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:13,386 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:36:13,387 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:13,429 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:36:13,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:13,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 262 states and 379 transitions. [2023-11-21 18:36:13,530 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 379 transitions. [2023-11-21 18:36:13,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:36:13,531 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:13,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:13,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:13,560 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:36:13,562 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:13,603 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:36:13,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:13,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 262 states and 379 transitions. [2023-11-21 18:36:13,662 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 379 transitions. [2023-11-21 18:36:13,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:36:13,663 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:13,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:13,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:13,691 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:36:13,692 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:13,729 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:36:13,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:13,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 262 states and 379 transitions. [2023-11-21 18:36:13,784 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 379 transitions. [2023-11-21 18:36:13,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:36:13,785 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:13,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:13,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:13,818 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:36:13,819 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:13,855 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:36:13,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:13,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 262 states and 379 transitions. [2023-11-21 18:36:13,910 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 379 transitions. [2023-11-21 18:36:13,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:36:13,910 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:13,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:13,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:13,957 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:36:13,959 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:13,997 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:36:14,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:14,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 262 states and 379 transitions. [2023-11-21 18:36:14,060 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 379 transitions. [2023-11-21 18:36:14,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:36:14,061 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:14,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:14,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:14,087 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:36:14,088 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:14,127 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:36:14,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:14,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 262 states and 379 transitions. [2023-11-21 18:36:14,185 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 379 transitions. [2023-11-21 18:36:14,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:36:14,185 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:14,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:14,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:14,213 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:36:14,215 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:14,310 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:36:14,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:14,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 262 states and 379 transitions. [2023-11-21 18:36:14,366 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 379 transitions. [2023-11-21 18:36:14,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:36:14,367 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:14,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:14,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:14,396 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:36:14,397 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:14,481 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:36:14,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:14,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 262 states and 379 transitions. [2023-11-21 18:36:14,541 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 379 transitions. [2023-11-21 18:36:14,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:36:14,541 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:14,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:14,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:14,570 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:36:14,571 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:14,608 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:36:14,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:14,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 262 states and 379 transitions. [2023-11-21 18:36:14,666 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 379 transitions. [2023-11-21 18:36:14,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:36:14,667 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:14,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:14,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:14,694 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:36:14,696 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:14,733 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:36:14,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:14,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 262 states and 379 transitions. [2023-11-21 18:36:14,789 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 379 transitions. [2023-11-21 18:36:14,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:36:14,790 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:14,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:14,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:14,819 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:36:14,820 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:14,858 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:36:14,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:14,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 262 states and 379 transitions. [2023-11-21 18:36:14,911 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 379 transitions. [2023-11-21 18:36:14,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:36:14,911 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:14,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:14,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:14,953 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:36:14,954 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:14,999 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:36:15,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:15,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 262 states and 379 transitions. [2023-11-21 18:36:15,061 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 379 transitions. [2023-11-21 18:36:15,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:36:15,062 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:15,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:15,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:15,089 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:36:15,091 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:15,131 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:36:15,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:15,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 262 states and 379 transitions. [2023-11-21 18:36:15,192 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 379 transitions. [2023-11-21 18:36:15,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:36:15,193 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:15,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:15,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:15,228 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:36:15,230 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:15,275 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:36:15,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:15,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 262 states and 379 transitions. [2023-11-21 18:36:15,335 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 379 transitions. [2023-11-21 18:36:15,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:36:15,336 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:15,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:15,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:15,388 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:36:15,390 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:15,430 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:36:15,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:15,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 262 states and 379 transitions. [2023-11-21 18:36:15,488 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 379 transitions. [2023-11-21 18:36:15,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:36:15,489 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:15,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:15,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:15,518 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:36:15,519 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:15,601 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:36:15,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:15,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 262 states and 379 transitions. [2023-11-21 18:36:15,658 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 379 transitions. [2023-11-21 18:36:15,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:36:15,659 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:15,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:15,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:15,686 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:36:15,687 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:15,724 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:36:15,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:15,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 262 states and 379 transitions. [2023-11-21 18:36:15,779 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 379 transitions. [2023-11-21 18:36:15,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:36:15,782 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:15,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:15,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:15,819 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:36:15,820 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:15,857 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:36:15,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:15,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 262 states and 379 transitions. [2023-11-21 18:36:15,910 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 379 transitions. [2023-11-21 18:36:15,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:36:15,910 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:15,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:15,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:15,950 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:36:15,951 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:15,991 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:36:16,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:16,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 262 states and 379 transitions. [2023-11-21 18:36:16,047 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 379 transitions. [2023-11-21 18:36:16,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:36:16,048 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:16,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:16,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:16,077 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:36:16,078 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:16,165 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:36:16,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:16,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 262 states and 379 transitions. [2023-11-21 18:36:16,220 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 379 transitions. [2023-11-21 18:36:16,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:36:16,221 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:16,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:16,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:16,250 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:36:16,251 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:16,287 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:36:16,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:16,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 262 states and 379 transitions. [2023-11-21 18:36:16,383 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 379 transitions. [2023-11-21 18:36:16,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:36:16,384 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:16,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:16,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:16,416 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:36:16,417 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:16,458 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:36:16,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:16,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 262 states and 379 transitions. [2023-11-21 18:36:16,531 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 379 transitions. [2023-11-21 18:36:16,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:36:16,532 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:16,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:16,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:16,562 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:36:16,563 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:16,604 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:36:16,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:16,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 262 states and 379 transitions. [2023-11-21 18:36:16,674 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 379 transitions. [2023-11-21 18:36:16,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:36:16,674 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:16,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:16,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:16,702 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:36:16,703 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:16,741 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:36:16,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:16,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 262 states and 379 transitions. [2023-11-21 18:36:16,801 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 379 transitions. [2023-11-21 18:36:16,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:36:16,802 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:16,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:16,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:16,831 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:36:16,832 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:16,871 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:36:16,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:16,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 262 states and 379 transitions. [2023-11-21 18:36:16,932 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 379 transitions. [2023-11-21 18:36:16,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:36:16,933 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:16,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:16,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:16,968 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:36:16,969 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:17,014 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:36:17,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:17,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 262 states and 379 transitions. [2023-11-21 18:36:17,073 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 379 transitions. [2023-11-21 18:36:17,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:36:17,074 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:17,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:17,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:17,125 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:36:17,126 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:17,163 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:36:17,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:17,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 262 states and 379 transitions. [2023-11-21 18:36:17,217 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 379 transitions. [2023-11-21 18:36:17,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:36:17,218 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:17,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:17,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:17,253 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:36:17,255 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:17,291 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:36:17,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:17,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 262 states and 379 transitions. [2023-11-21 18:36:17,350 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 379 transitions. [2023-11-21 18:36:17,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:36:17,351 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:17,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:17,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:17,378 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:36:17,379 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:17,418 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:36:17,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:17,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 262 states and 379 transitions. [2023-11-21 18:36:17,504 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 379 transitions. [2023-11-21 18:36:17,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:36:17,505 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:17,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:17,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:17,533 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:36:17,534 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:17,570 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:36:17,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:17,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 262 states and 379 transitions. [2023-11-21 18:36:17,627 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 379 transitions. [2023-11-21 18:36:17,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:36:17,628 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:17,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:17,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:17,654 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:36:17,655 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:17,735 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:36:17,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:17,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 262 states and 379 transitions. [2023-11-21 18:36:17,790 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 379 transitions. [2023-11-21 18:36:17,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:36:17,791 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:17,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:17,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:17,817 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:36:17,818 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:17,853 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:36:17,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:17,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 262 states and 379 transitions. [2023-11-21 18:36:17,906 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 379 transitions. [2023-11-21 18:36:17,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:36:17,906 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:17,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:17,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:17,932 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:36:17,933 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:17,985 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:36:18,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:18,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 262 states and 379 transitions. [2023-11-21 18:36:18,044 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 379 transitions. [2023-11-21 18:36:18,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:36:18,044 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:18,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:18,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:18,077 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:36:18,078 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:18,113 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:36:18,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:18,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 262 states and 379 transitions. [2023-11-21 18:36:18,173 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 379 transitions. [2023-11-21 18:36:18,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:36:18,173 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:18,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:18,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:18,203 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:36:18,204 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:18,240 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:36:18,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:18,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 262 states and 379 transitions. [2023-11-21 18:36:18,306 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 379 transitions. [2023-11-21 18:36:18,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:36:18,306 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:18,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:18,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:18,337 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:36:18,338 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:18,379 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:36:18,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:18,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 262 states and 379 transitions. [2023-11-21 18:36:18,439 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 379 transitions. [2023-11-21 18:36:18,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:36:18,440 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:18,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:18,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:18,471 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:36:18,473 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:18,517 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:36:18,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:18,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 262 states and 379 transitions. [2023-11-21 18:36:18,629 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 379 transitions. [2023-11-21 18:36:18,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:36:18,630 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:18,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:18,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:18,659 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:36:18,660 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:18,695 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:36:18,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:18,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 262 states and 379 transitions. [2023-11-21 18:36:18,756 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 379 transitions. [2023-11-21 18:36:18,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:36:18,757 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:18,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:18,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:18,786 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:36:18,787 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:18,821 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:36:18,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:18,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 262 states and 379 transitions. [2023-11-21 18:36:18,879 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 379 transitions. [2023-11-21 18:36:18,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:36:18,880 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:18,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:18,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:18,906 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:36:18,907 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:18,941 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:36:18,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:18,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 262 states and 379 transitions. [2023-11-21 18:36:18,999 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 379 transitions. [2023-11-21 18:36:19,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:36:19,000 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:19,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:19,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:19,027 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:36:19,028 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:19,067 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:36:19,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:19,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 262 states and 379 transitions. [2023-11-21 18:36:19,130 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 379 transitions. [2023-11-21 18:36:19,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:36:19,131 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:19,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:19,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:19,158 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:36:19,159 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:19,198 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:36:19,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:19,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 262 states and 379 transitions. [2023-11-21 18:36:19,261 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 379 transitions. [2023-11-21 18:36:19,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:36:19,262 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:19,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:19,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:19,291 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:36:19,293 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:19,334 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:36:19,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:19,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 262 states and 379 transitions. [2023-11-21 18:36:19,392 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 379 transitions. [2023-11-21 18:36:19,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:36:19,393 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:19,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:19,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:19,423 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:36:19,424 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:19,464 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:36:19,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:19,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 262 states and 379 transitions. [2023-11-21 18:36:19,524 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 379 transitions. [2023-11-21 18:36:19,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:36:19,525 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:19,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:19,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:19,556 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:36:19,558 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:19,649 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:36:19,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:19,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 262 states and 379 transitions. [2023-11-21 18:36:19,740 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 379 transitions. [2023-11-21 18:36:19,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:36:19,741 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:19,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:19,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:19,767 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:36:19,768 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:19,801 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:36:19,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:19,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 262 states and 379 transitions. [2023-11-21 18:36:19,863 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 379 transitions. [2023-11-21 18:36:19,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:36:19,864 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:19,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:19,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:19,895 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:36:19,896 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:19,937 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:36:20,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:20,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 262 states and 379 transitions. [2023-11-21 18:36:20,002 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 379 transitions. [2023-11-21 18:36:20,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:36:20,003 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:20,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:20,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:20,035 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:36:20,048 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:20,094 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:36:20,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:20,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 262 states and 379 transitions. [2023-11-21 18:36:20,147 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 379 transitions. [2023-11-21 18:36:20,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:36:20,147 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:20,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:20,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:20,179 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:36:20,180 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:20,214 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:36:20,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:20,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 262 states and 379 transitions. [2023-11-21 18:36:20,270 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 379 transitions. [2023-11-21 18:36:20,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:36:20,271 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:20,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:20,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:20,298 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:36:20,300 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:20,338 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked.