./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c08b7a8a-76a9-409c-84c7-2adfc067b1e2/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c08b7a8a-76a9-409c-84c7-2adfc067b1e2/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c08b7a8a-76a9-409c-84c7-2adfc067b1e2/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c08b7a8a-76a9-409c-84c7-2adfc067b1e2/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c08b7a8a-76a9-409c-84c7-2adfc067b1e2/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c08b7a8a-76a9-409c-84c7-2adfc067b1e2/bin/ukojak-verify-Qdu7aM0XO9 --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 a3d3bea00f90884a75828a52041ade76894eb11b308d280406ab40770bedb299 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:36:24,266 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:36:24,329 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c08b7a8a-76a9-409c-84c7-2adfc067b1e2/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-12-02 23:36:24,334 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 23:36:24,334 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 23:36:24,356 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:36:24,357 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:36:24,358 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:36:24,359 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:36:24,359 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:36:24,360 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:36:24,360 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:36:24,361 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 23:36:24,361 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 23:36:24,361 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 23:36:24,362 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:36:24,362 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:36:24,363 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:36:24,363 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:36:24,364 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 23:36:24,364 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 23:36:24,365 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 23:36:24,366 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:36:24,366 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:36:24,366 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:36:24,367 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:36:24,367 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:36:24,368 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:36:24,368 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:36:24,368 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:36:24,369 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:36:24,369 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:36:24,370 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 23:36:24,370 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 23:36:24,370 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:36:24,370 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_c08b7a8a-76a9-409c-84c7-2adfc067b1e2/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c08b7a8a-76a9-409c-84c7-2adfc067b1e2/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a3d3bea00f90884a75828a52041ade76894eb11b308d280406ab40770bedb299 [2023-12-02 23:36:24,587 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:36:24,608 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:36:24,610 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:36:24,612 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:36:24,612 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:36:24,613 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c08b7a8a-76a9-409c-84c7-2adfc067b1e2/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound20.c [2023-12-02 23:36:27,374 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:36:27,561 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:36:27,561 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c08b7a8a-76a9-409c-84c7-2adfc067b1e2/sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound20.c [2023-12-02 23:36:27,568 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c08b7a8a-76a9-409c-84c7-2adfc067b1e2/bin/ukojak-verify-Qdu7aM0XO9/data/5aa01efc1/497ba1d68780442ba68e211c1323db4d/FLAG11f8ecb7b [2023-12-02 23:36:27,583 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c08b7a8a-76a9-409c-84c7-2adfc067b1e2/bin/ukojak-verify-Qdu7aM0XO9/data/5aa01efc1/497ba1d68780442ba68e211c1323db4d [2023-12-02 23:36:27,586 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:36:27,587 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:36:27,588 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:36:27,589 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:36:27,593 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:36:27,594 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:36:27" (1/1) ... [2023-12-02 23:36:27,595 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a2fd21b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:36:27, skipping insertion in model container [2023-12-02 23:36:27,595 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:36:27" (1/1) ... [2023-12-02 23:36:27,617 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:36:27,784 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:36:27,794 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:36:27,816 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:36:27,830 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:36:27,830 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:36:27 WrapperNode [2023-12-02 23:36:27,831 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:36:27,832 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:36:27,832 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:36:27,832 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:36:27,839 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:36:27" (1/1) ... [2023-12-02 23:36:27,846 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:36:27" (1/1) ... [2023-12-02 23:36:27,871 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 100 [2023-12-02 23:36:27,872 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:36:27,872 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:36:27,872 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:36:27,873 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:36:27,881 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:36:27" (1/1) ... [2023-12-02 23:36:27,882 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:36:27" (1/1) ... [2023-12-02 23:36:27,883 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:36:27" (1/1) ... [2023-12-02 23:36:27,884 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:36:27" (1/1) ... [2023-12-02 23:36:27,888 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:36:27" (1/1) ... [2023-12-02 23:36:27,891 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:36:27" (1/1) ... [2023-12-02 23:36:27,892 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:36:27" (1/1) ... [2023-12-02 23:36:27,894 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:36:27" (1/1) ... [2023-12-02 23:36:27,896 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:36:27,897 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:36:27,897 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:36:27,897 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:36:27,898 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:36:27" (1/1) ... [2023-12-02 23:36:27,904 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:36:27,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c08b7a8a-76a9-409c-84c7-2adfc067b1e2/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:36:27,927 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c08b7a8a-76a9-409c-84c7-2adfc067b1e2/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:36:27,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c08b7a8a-76a9-409c-84c7-2adfc067b1e2/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:36:27,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:36:27,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 23:36:27,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:36:27,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:36:27,961 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-02 23:36:27,961 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-02 23:36:28,025 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:36:28,028 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:36:28,300 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:36:28,338 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:36:28,339 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-02 23:36:28,340 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:36:28 BoogieIcfgContainer [2023-12-02 23:36:28,341 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:36:28,342 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:36:28,342 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:36:28,352 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:36:28,352 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:36:28" (1/1) ... [2023-12-02 23:36:28,361 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:36:28,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:36:28,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 75 states and 87 transitions. [2023-12-02 23:36:28,419 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 87 transitions. [2023-12-02 23:36:28,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-02 23:36:28,421 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:36:28,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:36:28,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:28,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:36:28,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:36:28,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 77 states and 89 transitions. [2023-12-02 23:36:28,686 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 89 transitions. [2023-12-02 23:36:28,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 23:36:28,686 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:36:28,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:36:28,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:28,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:36:28,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:36:28,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 78 states and 90 transitions. [2023-12-02 23:36:28,758 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 90 transitions. [2023-12-02 23:36:28,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 23:36:28,761 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:36:28,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:36:28,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:28,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:36:28,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:36:28,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 79 states and 90 transitions. [2023-12-02 23:36:28,836 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 90 transitions. [2023-12-02 23:36:28,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-02 23:36:28,837 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:36:28,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:36:28,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:28,876 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:36:28,881 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:36:28,987 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 23:36:29,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:36:29,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 86 states and 101 transitions. [2023-12-02 23:36:29,193 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 101 transitions. [2023-12-02 23:36:29,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-02 23:36:29,194 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:36:29,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:36:29,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:29,223 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:36:29,225 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:36:29,303 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 23:36:29,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:36:29,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 94 states and 113 transitions. [2023-12-02 23:36:29,682 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 113 transitions. [2023-12-02 23:36:29,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-02 23:36:29,682 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:36:29,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:36:29,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:29,710 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:36:29,711 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:36:29,765 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 23:36:30,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:36:30,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 101 states and 127 transitions. [2023-12-02 23:36:30,329 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 127 transitions. [2023-12-02 23:36:30,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-02 23:36:30,329 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:36:30,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:36:30,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:30,356 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:36:30,357 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:36:30,496 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 23:36:31,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:36:31,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 111 states and 169 transitions. [2023-12-02 23:36:31,254 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 169 transitions. [2023-12-02 23:36:31,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-02 23:36:31,255 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:36:31,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:36:31,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:31,279 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:36:31,281 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:36:31,339 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 23:36:32,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:36:32,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 119 states and 185 transitions. [2023-12-02 23:36:32,461 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 185 transitions. [2023-12-02 23:36:32,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-02 23:36:32,462 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:36:32,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:36:32,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:32,484 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:36:32,486 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:36:32,638 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 23:36:33,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:36:33,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 130 states and 235 transitions. [2023-12-02 23:36:33,647 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 235 transitions. [2023-12-02 23:36:33,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-02 23:36:33,647 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:36:33,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:36:33,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:33,671 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:36:33,672 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:36:33,723 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 23:36:34,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:36:34,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 136 states and 248 transitions. [2023-12-02 23:36:34,329 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 248 transitions. [2023-12-02 23:36:34,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-02 23:36:34,330 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:36:34,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:36:34,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:34,357 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:36:34,358 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:36:34,421 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 23:36:35,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:36:35,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 142 states and 263 transitions. [2023-12-02 23:36:35,122 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 263 transitions. [2023-12-02 23:36:35,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 23:36:35,123 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:36:35,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:36:35,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:35,146 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:36:35,148 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:36:35,200 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 23:36:35,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:36:35,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 143 states and 264 transitions. [2023-12-02 23:36:35,230 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 264 transitions. [2023-12-02 23:36:35,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 23:36:35,231 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:36:35,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:36:35,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:35,254 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:36:35,255 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:36:35,385 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 23:36:36,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:36:36,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 154 states and 289 transitions. [2023-12-02 23:36:36,988 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 289 transitions. [2023-12-02 23:36:36,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 23:36:36,989 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:36:36,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:36:37,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:37,011 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:36:37,012 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:36:37,141 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 23:36:39,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:36:39,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 166 states and 316 transitions. [2023-12-02 23:36:39,099 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 316 transitions. [2023-12-02 23:36:39,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 23:36:39,100 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:36:39,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:36:39,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:39,121 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 23:36:39,122 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:36:39,332 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 23:36:40,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:36:40,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 172 states and 327 transitions. [2023-12-02 23:36:40,563 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 327 transitions. [2023-12-02 23:36:40,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-02 23:36:40,564 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:36:40,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:36:40,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:40,583 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:36:40,584 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:36:40,757 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 23:36:43,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:36:43,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 185 states and 354 transitions. [2023-12-02 23:36:43,395 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 354 transitions. [2023-12-02 23:36:43,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-02 23:36:43,396 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:36:43,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:36:43,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:43,416 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 23:36:43,417 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:36:43,637 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 23:36:45,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:36:45,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 192 states and 366 transitions. [2023-12-02 23:36:45,201 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 366 transitions. [2023-12-02 23:36:45,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-02 23:36:45,202 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:36:45,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:36:45,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:45,220 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 23:36:45,221 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:36:45,400 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 23:36:48,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:36:48,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 206 states and 392 transitions. [2023-12-02 23:36:48,955 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 392 transitions. [2023-12-02 23:36:48,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-02 23:36:48,957 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:36:48,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:36:48,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:48,978 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:36:48,979 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:36:49,105 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 23:36:51,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:36:51,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 214 states and 414 transitions. [2023-12-02 23:36:51,227 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 414 transitions. [2023-12-02 23:36:51,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-02 23:36:51,228 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:36:51,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:36:51,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:51,248 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:36:51,249 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:36:51,392 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 23:36:55,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:36:55,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 224 states and 437 transitions. [2023-12-02 23:36:55,379 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 437 transitions. [2023-12-02 23:36:55,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-02 23:36:55,381 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:36:55,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:36:55,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:55,404 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:36:55,405 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:36:56,311 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 23:37:13,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:37:13,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 235 states and 461 transitions. [2023-12-02 23:37:13,354 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 461 transitions. [2023-12-02 23:37:13,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 23:37:13,356 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:37:13,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:37:13,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:13,379 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 23:37:13,380 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:37:13,566 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-02 23:37:14,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:37:14,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 239 states and 469 transitions. [2023-12-02 23:37:14,928 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 469 transitions. [2023-12-02 23:37:14,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 23:37:14,929 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:37:14,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:37:14,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:14,953 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 23:37:14,954 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:37:15,157 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-02 23:37:16,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:37:16,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 243 states and 474 transitions. [2023-12-02 23:37:16,522 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 474 transitions. [2023-12-02 23:37:16,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-12-02 23:37:16,522 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:37:16,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:37:16,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:16,546 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 23:37:16,547 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:37:16,966 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-02 23:37:20,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:37:20,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 259 states and 516 transitions. [2023-12-02 23:37:20,977 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 516 transitions. [2023-12-02 23:37:20,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-12-02 23:37:20,977 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:37:20,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:37:21,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:21,002 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 23:37:21,003 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:37:21,115 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-02 23:37:22,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:37:22,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 263 states and 520 transitions. [2023-12-02 23:37:22,298 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 520 transitions. [2023-12-02 23:37:22,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-02 23:37:22,299 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:37:22,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:37:22,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:22,321 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:37:22,322 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:37:22,456 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-02 23:37:25,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:37:25,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 269 states and 539 transitions. [2023-12-02 23:37:25,703 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 539 transitions. [2023-12-02 23:37:25,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-02 23:37:25,704 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:37:25,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:37:25,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:25,722 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:37:25,722 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:37:26,751 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-02 23:37:31,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:37:31,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 282 states and 570 transitions. [2023-12-02 23:37:31,960 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 570 transitions. [2023-12-02 23:37:31,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 23:37:31,961 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:37:31,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:37:31,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:31,985 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:37:31,986 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:37:32,013 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-02 23:37:32,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:37:32,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 283 states and 571 transitions. [2023-12-02 23:37:32,043 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 571 transitions. [2023-12-02 23:37:32,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-12-02 23:37:32,043 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:37:32,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:37:32,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:32,065 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:37:32,066 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:37:32,842 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-02 23:37:34,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:37:34,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 292 states and 592 transitions. [2023-12-02 23:37:34,121 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 592 transitions. [2023-12-02 23:37:34,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-02 23:37:34,122 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:37:34,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:37:34,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:34,144 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 23:37:34,145 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:37:34,297 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-02 23:37:35,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:37:35,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 302 states and 618 transitions. [2023-12-02 23:37:35,941 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 618 transitions. [2023-12-02 23:37:35,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-02 23:37:35,942 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:37:35,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:37:35,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:35,982 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 23:37:35,984 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:37:36,012 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-02 23:37:37,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:37:37,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 306 states and 622 transitions. [2023-12-02 23:37:37,410 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 622 transitions. [2023-12-02 23:37:37,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-02 23:37:37,411 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:37:37,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:37:37,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:37,434 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:37:37,435 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:37:37,693 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-02 23:37:42,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:37:42,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 657 states to 323 states and 657 transitions. [2023-12-02 23:37:42,295 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 657 transitions. [2023-12-02 23:37:42,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-02 23:37:42,296 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:37:42,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:37:42,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:42,316 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 23:37:42,317 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:37:42,623 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-02 23:37:45,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:37:45,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 706 states to 337 states and 706 transitions. [2023-12-02 23:37:45,279 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 706 transitions. [2023-12-02 23:37:45,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-02 23:37:45,279 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:37:45,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:37:45,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:45,302 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 23:37:45,303 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:37:45,624 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 23:37:48,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:37:48,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 800 states to 349 states and 800 transitions. [2023-12-02 23:37:48,296 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 800 transitions. [2023-12-02 23:37:48,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-02 23:37:48,297 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:37:48,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:37:48,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:48,321 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 23:37:48,323 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:37:48,356 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-02 23:37:48,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:37:48,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 805 states to 351 states and 805 transitions. [2023-12-02 23:37:48,866 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 805 transitions. [2023-12-02 23:37:48,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-02 23:37:48,867 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:37:48,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:37:48,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:48,889 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 23:37:48,890 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:37:48,918 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-02 23:37:50,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:37:50,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 808 states to 355 states and 808 transitions. [2023-12-02 23:37:50,579 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 808 transitions. [2023-12-02 23:37:50,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-02 23:37:50,580 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:37:50,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:37:50,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:50,598 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 23:37:50,599 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:37:50,723 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 23:37:52,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:37:52,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 813 states to 359 states and 813 transitions. [2023-12-02 23:37:52,118 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 813 transitions. [2023-12-02 23:37:52,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-02 23:37:52,119 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:37:52,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:37:52,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:52,144 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 23:37:52,145 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:37:52,449 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 3 proven. 25 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 23:37:54,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:37:54,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 836 states to 368 states and 836 transitions. [2023-12-02 23:37:54,948 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 836 transitions. [2023-12-02 23:37:54,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-02 23:37:54,949 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:37:54,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:37:54,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:54,972 INFO L262 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:37:54,973 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:37:55,036 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-02 23:37:56,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:37:56,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 852 states to 372 states and 852 transitions. [2023-12-02 23:37:56,038 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 852 transitions. [2023-12-02 23:37:56,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-02 23:37:56,039 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:37:56,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:37:56,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:56,060 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 23:37:56,061 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:37:56,459 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 23:37:58,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:37:58,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 934 states to 380 states and 934 transitions. [2023-12-02 23:37:58,824 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 934 transitions. [2023-12-02 23:37:58,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-02 23:37:58,825 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:37:58,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:37:58,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:58,846 INFO L262 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:37:58,847 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:37:58,906 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-02 23:37:59,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:37:59,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 938 states to 382 states and 938 transitions. [2023-12-02 23:37:59,435 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 938 transitions. [2023-12-02 23:37:59,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-02 23:37:59,436 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:37:59,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:37:59,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:59,459 INFO L262 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:37:59,459 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:37:59,519 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-02 23:38:00,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:00,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 942 states to 384 states and 942 transitions. [2023-12-02 23:38:00,022 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 942 transitions. [2023-12-02 23:38:00,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-02 23:38:00,022 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:00,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:38:00,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:00,046 INFO L262 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:38:00,047 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:38:00,214 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-02 23:38:01,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:01,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 971 states to 390 states and 971 transitions. [2023-12-02 23:38:01,633 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 971 transitions. [2023-12-02 23:38:01,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-02 23:38:01,634 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:01,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:38:01,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:01,658 INFO L262 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:38:01,658 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:38:01,689 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-02 23:38:03,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:03,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 982 states to 394 states and 982 transitions. [2023-12-02 23:38:03,128 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 982 transitions. [2023-12-02 23:38:03,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-02 23:38:03,128 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:03,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:38:03,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:03,154 INFO L262 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:38:03,155 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:38:03,190 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-02 23:38:03,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:03,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 989 states to 396 states and 989 transitions. [2023-12-02 23:38:03,705 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 989 transitions. [2023-12-02 23:38:03,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-02 23:38:03,706 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:03,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:38:03,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:03,728 INFO L262 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:38:03,729 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:38:03,756 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-02 23:38:04,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:04,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 993 states to 398 states and 993 transitions. [2023-12-02 23:38:04,283 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 993 transitions. [2023-12-02 23:38:04,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-02 23:38:04,284 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:04,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:38:04,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:04,309 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:38:04,310 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:38:04,409 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-12-02 23:38:08,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:08,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1031 states to 412 states and 1031 transitions. [2023-12-02 23:38:08,740 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 1031 transitions. [2023-12-02 23:38:08,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-02 23:38:08,740 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:08,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:38:08,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:08,761 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 23:38:08,762 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:38:08,823 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 23:38:10,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:10,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1053 states to 418 states and 1053 transitions. [2023-12-02 23:38:10,590 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 1053 transitions. [2023-12-02 23:38:10,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-02 23:38:10,591 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:10,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:38:10,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:10,616 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:38:10,616 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:38:10,699 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-12-02 23:38:13,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:13,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1070 states to 424 states and 1070 transitions. [2023-12-02 23:38:13,212 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 1070 transitions. [2023-12-02 23:38:13,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-02 23:38:13,213 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:13,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:38:13,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:13,239 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:38:13,241 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:38:13,338 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-12-02 23:38:14,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:14,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1074 states to 426 states and 1074 transitions. [2023-12-02 23:38:14,055 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 1074 transitions. [2023-12-02 23:38:14,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-02 23:38:14,056 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:14,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:38:14,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:14,080 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:38:14,081 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:38:14,167 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-12-02 23:38:16,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:16,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1088 states to 430 states and 1088 transitions. [2023-12-02 23:38:16,957 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 1088 transitions. [2023-12-02 23:38:16,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:38:16,958 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:16,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:38:16,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:16,984 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:38:16,986 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:38:17,075 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-12-02 23:38:21,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:21,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1121 states to 444 states and 1121 transitions. [2023-12-02 23:38:21,846 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 1121 transitions. [2023-12-02 23:38:21,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:38:21,847 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:21,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:38:21,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:21,870 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 23:38:21,871 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:38:22,129 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 23:38:24,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:24,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1129 states to 448 states and 1129 transitions. [2023-12-02 23:38:24,276 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 1129 transitions. [2023-12-02 23:38:24,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:38:24,277 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:24,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:38:24,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:24,301 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:38:24,302 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:38:24,401 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-12-02 23:38:27,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:27,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1143 states to 452 states and 1143 transitions. [2023-12-02 23:38:27,603 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 1143 transitions. [2023-12-02 23:38:27,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:38:27,604 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:27,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:38:27,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:27,626 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 23:38:27,628 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:38:27,811 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 23:38:31,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:31,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1154 states to 462 states and 1154 transitions. [2023-12-02 23:38:31,768 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 1154 transitions. [2023-12-02 23:38:31,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:38:31,769 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:31,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:38:31,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:31,793 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:38:31,794 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:38:31,872 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-12-02 23:38:32,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:32,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1161 states to 464 states and 1161 transitions. [2023-12-02 23:38:32,616 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 1161 transitions. [2023-12-02 23:38:32,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:38:32,616 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:32,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:38:32,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:32,639 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:38:32,640 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:38:32,735 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-12-02 23:38:35,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:35,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1178 states to 470 states and 1178 transitions. [2023-12-02 23:38:35,965 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 1178 transitions. [2023-12-02 23:38:35,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:38:35,965 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:35,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:38:35,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:35,984 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 23:38:35,985 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:38:36,181 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 23:38:36,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:36,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1178 states to 472 states and 1178 transitions. [2023-12-02 23:38:36,952 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 1178 transitions. [2023-12-02 23:38:36,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-12-02 23:38:36,952 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:36,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:38:36,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:36,973 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:38:36,975 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:38:39,289 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-02 23:38:49,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:49,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1215 states to 488 states and 1215 transitions. [2023-12-02 23:38:49,873 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 1215 transitions. [2023-12-02 23:38:49,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-12-02 23:38:49,873 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:49,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:38:49,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:49,895 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:38:49,896 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:38:50,047 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-02 23:38:50,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:50,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1217 states to 490 states and 1217 transitions. [2023-12-02 23:38:50,959 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 1217 transitions. [2023-12-02 23:38:50,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-12-02 23:38:50,960 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:50,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:38:50,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:50,983 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 23:38:50,985 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:38:51,282 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 23:38:53,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:53,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1224 states to 494 states and 1224 transitions. [2023-12-02 23:38:53,724 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 1224 transitions. [2023-12-02 23:38:53,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-12-02 23:38:53,725 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:53,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:38:53,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:53,746 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 23:38:53,748 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:38:53,810 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 23:38:54,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:54,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1226 states to 496 states and 1226 transitions. [2023-12-02 23:38:54,529 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 1226 transitions. [2023-12-02 23:38:54,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-02 23:38:54,530 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:54,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:38:54,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:54,556 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 23:38:54,557 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:38:55,239 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-12-02 23:39:07,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:39:07,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1264 states to 517 states and 1264 transitions. [2023-12-02 23:39:07,736 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 1264 transitions. [2023-12-02 23:39:07,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-02 23:39:07,736 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:39:07,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:39:07,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:07,758 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 23:39:07,759 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:39:07,897 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-12-02 23:39:08,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:39:08,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1266 states to 519 states and 1266 transitions. [2023-12-02 23:39:08,888 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 1266 transitions. [2023-12-02 23:39:08,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-02 23:39:08,889 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:39:08,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:39:08,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:08,911 INFO L262 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 23:39:08,912 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:39:08,976 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 23:39:10,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:39:10,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1294 states to 523 states and 1294 transitions. [2023-12-02 23:39:10,409 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 1294 transitions. [2023-12-02 23:39:10,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:39:10,410 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:39:10,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:39:10,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:10,431 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:39:10,432 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:39:10,459 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2023-12-02 23:39:14,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:39:14,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1303 states to 527 states and 1303 transitions. [2023-12-02 23:39:14,461 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 1303 transitions. [2023-12-02 23:39:14,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:39:14,462 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:39:14,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:39:14,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:14,484 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:39:14,485 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:39:14,512 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2023-12-02 23:39:23,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:39:23,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1312 states to 531 states and 1312 transitions. [2023-12-02 23:39:23,469 INFO L276 IsEmpty]: Start isEmpty. Operand 531 states and 1312 transitions. [2023-12-02 23:39:23,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-02 23:39:23,470 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:39:23,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:39:23,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:23,494 INFO L262 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:39:23,495 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:39:24,063 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-12-02 23:39:27,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:39:27,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1323 states to 535 states and 1323 transitions. [2023-12-02 23:39:27,009 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 1323 transitions. [2023-12-02 23:39:27,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-02 23:39:27,010 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:39:27,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:39:27,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:27,037 INFO L262 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 23:39:27,038 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:39:27,370 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-12-02 23:39:29,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:39:29,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1328 states to 539 states and 1328 transitions. [2023-12-02 23:39:29,175 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 1328 transitions. [2023-12-02 23:39:29,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-12-02 23:39:29,176 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:39:29,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:39:29,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:29,202 INFO L262 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 23:39:29,203 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:39:32,254 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-12-02 23:39:48,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:39:48,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1408 states to 563 states and 1408 transitions. [2023-12-02 23:39:48,418 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states and 1408 transitions. [2023-12-02 23:39:48,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-12-02 23:39:48,419 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:39:48,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:39:48,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:48,445 INFO L262 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:39:48,446 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:39:49,047 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-12-02 23:39:53,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:39:53,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1447 states to 571 states and 1447 transitions. [2023-12-02 23:39:53,003 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 1447 transitions. [2023-12-02 23:39:53,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-12-02 23:39:53,003 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:39:53,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:39:53,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:53,031 INFO L262 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:39:53,031 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:39:53,146 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-12-02 23:39:54,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:39:54,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1450 states to 575 states and 1450 transitions. [2023-12-02 23:39:54,887 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 1450 transitions. [2023-12-02 23:39:54,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-02 23:39:54,888 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:39:54,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:39:54,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:54,912 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 23:39:54,913 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:39:54,961 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-12-02 23:40:07,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:40:07,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1492 states to 589 states and 1492 transitions. [2023-12-02 23:40:07,622 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 1492 transitions. [2023-12-02 23:40:07,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-12-02 23:40:07,623 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:40:07,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:40:07,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:07,648 INFO L262 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 23:40:07,649 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:40:08,878 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-12-02 23:40:37,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:40:37,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1555 states to 610 states and 1555 transitions. [2023-12-02 23:40:37,704 INFO L276 IsEmpty]: Start isEmpty. Operand 610 states and 1555 transitions. [2023-12-02 23:40:37,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-12-02 23:40:37,705 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:40:37,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:40:37,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:37,730 INFO L262 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 23:40:37,731 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:40:37,901 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-12-02 23:40:39,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:40:39,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1558 states to 612 states and 1558 transitions. [2023-12-02 23:40:39,862 INFO L276 IsEmpty]: Start isEmpty. Operand 612 states and 1558 transitions. [2023-12-02 23:40:39,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-02 23:40:39,863 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:40:39,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:40:39,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:39,889 INFO L262 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:40:39,890 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:40:39,963 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-12-02 23:40:56,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:40:56,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1603 states to 628 states and 1603 transitions. [2023-12-02 23:40:56,836 INFO L276 IsEmpty]: Start isEmpty. Operand 628 states and 1603 transitions. [2023-12-02 23:40:56,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 23:40:56,836 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:40:56,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:40:56,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:56,863 INFO L262 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:40:56,865 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:40:57,332 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-12-02 23:41:04,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:41:04,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1654 states to 640 states and 1654 transitions. [2023-12-02 23:41:04,059 INFO L276 IsEmpty]: Start isEmpty. Operand 640 states and 1654 transitions. [2023-12-02 23:41:04,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 23:41:04,059 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:41:04,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:41:04,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:41:04,083 INFO L262 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:41:04,084 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:41:04,119 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-12-02 23:41:08,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:41:08,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1691 states to 648 states and 1691 transitions. [2023-12-02 23:41:08,527 INFO L276 IsEmpty]: Start isEmpty. Operand 648 states and 1691 transitions. [2023-12-02 23:41:08,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 23:41:08,528 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:41:08,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:41:08,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:41:08,553 INFO L262 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:41:08,553 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:41:08,593 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-12-02 23:41:11,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:41:11,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1695 states to 652 states and 1695 transitions. [2023-12-02 23:41:11,135 INFO L276 IsEmpty]: Start isEmpty. Operand 652 states and 1695 transitions. [2023-12-02 23:41:11,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 23:41:11,135 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:41:11,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:41:11,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:41:11,160 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:41:11,161 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:41:15,844 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-12-02 23:41:31,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:41:31,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1741 states to 669 states and 1741 transitions. [2023-12-02 23:41:31,763 INFO L276 IsEmpty]: Start isEmpty. Operand 669 states and 1741 transitions. [2023-12-02 23:41:31,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-02 23:41:31,764 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:41:31,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:41:31,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:41:31,788 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 23:41:31,789 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:41:31,830 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2023-12-02 23:41:36,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:41:36,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1775 states to 679 states and 1775 transitions. [2023-12-02 23:41:36,831 INFO L276 IsEmpty]: Start isEmpty. Operand 679 states and 1775 transitions. [2023-12-02 23:41:36,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-02 23:41:36,832 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:41:36,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:41:36,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:41:36,860 INFO L262 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 23:41:36,861 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:41:37,827 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-12-02 23:41:44,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:41:44,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1792 states to 687 states and 1792 transitions. [2023-12-02 23:41:44,340 INFO L276 IsEmpty]: Start isEmpty. Operand 687 states and 1792 transitions. [2023-12-02 23:41:44,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-02 23:41:44,340 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:41:44,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:41:44,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:41:44,365 INFO L262 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 23:41:44,366 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:41:44,417 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-12-02 23:41:46,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:41:46,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1800 states to 691 states and 1800 transitions. [2023-12-02 23:41:46,907 INFO L276 IsEmpty]: Start isEmpty. Operand 691 states and 1800 transitions. [2023-12-02 23:41:46,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-02 23:41:46,908 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:41:46,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:41:46,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:41:46,932 INFO L262 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 23:41:46,933 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:41:47,499 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-12-02 23:41:51,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:41:51,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1803 states to 695 states and 1803 transitions. [2023-12-02 23:41:51,452 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 1803 transitions. [2023-12-02 23:41:51,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-02 23:41:51,452 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:41:51,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:41:51,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:41:51,477 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 23:41:51,478 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:41:51,526 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2023-12-02 23:41:54,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:41:54,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1808 states to 699 states and 1808 transitions. [2023-12-02 23:41:54,938 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 1808 transitions. [2023-12-02 23:41:54,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-02 23:41:54,939 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:41:54,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:41:54,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:41:54,963 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 23:41:54,964 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:41:55,003 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2023-12-02 23:41:56,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:41:56,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1829 states to 703 states and 1829 transitions. [2023-12-02 23:41:56,403 INFO L276 IsEmpty]: Start isEmpty. Operand 703 states and 1829 transitions. [2023-12-02 23:41:56,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-02 23:41:56,404 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:41:56,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:41:56,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:41:56,557 INFO L262 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 23:41:56,559 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:41:57,845 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 6 proven. 82 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-12-02 23:42:05,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:42:05,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1965 states to 714 states and 1965 transitions. [2023-12-02 23:42:05,287 INFO L276 IsEmpty]: Start isEmpty. Operand 714 states and 1965 transitions. [2023-12-02 23:42:05,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-02 23:42:05,288 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:42:05,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:42:05,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:42:05,308 INFO L262 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 23:42:05,309 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:42:06,179 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 0 proven. 88 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-12-02 23:42:09,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:42:09,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1976 states to 718 states and 1976 transitions. [2023-12-02 23:42:09,663 INFO L276 IsEmpty]: Start isEmpty. Operand 718 states and 1976 transitions. [2023-12-02 23:42:09,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-02 23:42:09,664 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:42:09,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:42:09,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:42:09,693 INFO L262 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 23:42:09,694 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:42:10,169 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-12-02 23:42:13,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:42:13,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2012 states to 724 states and 2012 transitions. [2023-12-02 23:42:13,876 INFO L276 IsEmpty]: Start isEmpty. Operand 724 states and 2012 transitions. [2023-12-02 23:42:13,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-02 23:42:13,876 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:42:13,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:42:13,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:42:13,898 INFO L262 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 23:42:13,899 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:42:13,970 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-12-02 23:42:15,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:42:15,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2036 states to 728 states and 2036 transitions. [2023-12-02 23:42:15,329 INFO L276 IsEmpty]: Start isEmpty. Operand 728 states and 2036 transitions. [2023-12-02 23:42:15,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-02 23:42:15,330 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:42:15,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:42:15,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:42:15,354 INFO L262 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 23:42:15,355 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:42:15,402 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 6 proven. 82 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-12-02 23:42:16,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:42:16,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2043 states to 730 states and 2043 transitions. [2023-12-02 23:42:16,571 INFO L276 IsEmpty]: Start isEmpty. Operand 730 states and 2043 transitions. [2023-12-02 23:42:16,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-02 23:42:16,571 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:42:16,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:42:16,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:42:16,601 INFO L262 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 23:42:16,601 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:42:16,673 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-12-02 23:42:17,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:42:17,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2049 states to 732 states and 2049 transitions. [2023-12-02 23:42:17,985 INFO L276 IsEmpty]: Start isEmpty. Operand 732 states and 2049 transitions. [2023-12-02 23:42:17,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-02 23:42:17,986 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:42:17,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:42:18,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:42:18,024 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:42:18,026 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:42:18,539 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-12-02 23:42:19,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:42:19,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2048 states to 731 states and 2048 transitions. [2023-12-02 23:42:19,093 INFO L276 IsEmpty]: Start isEmpty. Operand 731 states and 2048 transitions. [2023-12-02 23:42:19,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-02 23:42:19,094 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:42:19,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:42:19,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:42:19,118 INFO L262 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 23:42:19,118 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:42:19,483 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-12-02 23:42:22,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:42:22,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2086 states to 737 states and 2086 transitions. [2023-12-02 23:42:22,556 INFO L276 IsEmpty]: Start isEmpty. Operand 737 states and 2086 transitions. [2023-12-02 23:42:22,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-02 23:42:22,556 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:42:22,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:42:22,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:42:22,581 INFO L262 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 23:42:22,582 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:42:22,619 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-12-02 23:42:26,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:42:26,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2102 states to 741 states and 2102 transitions. [2023-12-02 23:42:26,108 INFO L276 IsEmpty]: Start isEmpty. Operand 741 states and 2102 transitions. [2023-12-02 23:42:26,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-02 23:42:26,108 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:42:26,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:42:26,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:42:26,133 INFO L262 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 23:42:26,134 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:42:26,172 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-12-02 23:42:27,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:42:27,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2109 states to 743 states and 2109 transitions. [2023-12-02 23:42:27,323 INFO L276 IsEmpty]: Start isEmpty. Operand 743 states and 2109 transitions. [2023-12-02 23:42:27,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-02 23:42:27,324 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:42:27,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:42:27,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:42:27,348 INFO L262 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 23:42:27,349 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:42:27,390 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-12-02 23:42:28,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:42:28,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2113 states to 745 states and 2113 transitions. [2023-12-02 23:42:28,554 INFO L276 IsEmpty]: Start isEmpty. Operand 745 states and 2113 transitions. [2023-12-02 23:42:28,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-02 23:42:28,555 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:42:28,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:42:28,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:42:28,585 INFO L262 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 23:42:28,587 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:42:28,635 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-12-02 23:42:29,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:42:29,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2118 states to 747 states and 2118 transitions. [2023-12-02 23:42:29,805 INFO L276 IsEmpty]: Start isEmpty. Operand 747 states and 2118 transitions. [2023-12-02 23:42:29,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-02 23:42:29,806 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:42:29,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:42:29,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:42:29,831 INFO L262 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 23:42:29,832 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:42:29,873 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-12-02 23:42:31,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:42:31,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2124 states to 749 states and 2124 transitions. [2023-12-02 23:42:31,213 INFO L276 IsEmpty]: Start isEmpty. Operand 749 states and 2124 transitions. [2023-12-02 23:42:31,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-02 23:42:31,214 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:42:31,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:42:31,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:42:31,244 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 23:42:31,245 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:42:31,316 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 23:42:43,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:42:43,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2152 states to 763 states and 2152 transitions. [2023-12-02 23:42:43,548 INFO L276 IsEmpty]: Start isEmpty. Operand 763 states and 2152 transitions. [2023-12-02 23:42:43,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-02 23:42:43,548 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:42:43,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:42:43,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:42:43,575 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 23:42:43,576 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:42:44,152 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-12-02 23:42:53,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:42:53,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2198 states to 775 states and 2198 transitions. [2023-12-02 23:42:53,965 INFO L276 IsEmpty]: Start isEmpty. Operand 775 states and 2198 transitions. [2023-12-02 23:42:53,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-02 23:42:53,966 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:42:53,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:42:53,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:42:53,996 INFO L262 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:42:53,997 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:42:54,139 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2023-12-02 23:43:03,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:03,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2245 states to 789 states and 2245 transitions. [2023-12-02 23:43:03,864 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 2245 transitions. [2023-12-02 23:43:03,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-02 23:43:03,865 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:03,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:43:03,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:03,890 INFO L262 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 23:43:03,891 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:43:03,964 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 0 proven. 88 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-12-02 23:43:10,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:10,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2291 states to 799 states and 2291 transitions. [2023-12-02 23:43:10,021 INFO L276 IsEmpty]: Start isEmpty. Operand 799 states and 2291 transitions. [2023-12-02 23:43:10,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-02 23:43:10,021 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:10,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:43:10,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:10,047 INFO L262 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 23:43:10,049 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:43:10,119 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 0 proven. 88 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-12-02 23:43:12,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:12,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2416 states to 803 states and 2416 transitions. [2023-12-02 23:43:12,783 INFO L276 IsEmpty]: Start isEmpty. Operand 803 states and 2416 transitions. [2023-12-02 23:43:12,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-02 23:43:12,784 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:12,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:43:12,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:12,815 INFO L262 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:43:12,816 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:43:12,948 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2023-12-02 23:43:16,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:16,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2450 states to 809 states and 2450 transitions. [2023-12-02 23:43:16,052 INFO L276 IsEmpty]: Start isEmpty. Operand 809 states and 2450 transitions. [2023-12-02 23:43:16,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-02 23:43:16,052 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:16,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:43:16,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:16,083 INFO L262 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:43:16,084 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:43:16,205 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2023-12-02 23:43:17,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:17,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2457 states to 811 states and 2457 transitions. [2023-12-02 23:43:17,531 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 2457 transitions. [2023-12-02 23:43:17,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-02 23:43:17,532 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:17,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:43:17,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:17,558 INFO L262 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:43:17,559 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:43:17,702 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2023-12-02 23:43:23,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:23,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2476 states to 817 states and 2476 transitions. [2023-12-02 23:43:23,341 INFO L276 IsEmpty]: Start isEmpty. Operand 817 states and 2476 transitions. [2023-12-02 23:43:23,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-02 23:43:23,341 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:23,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:43:23,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:23,369 INFO L262 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:43:23,370 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:43:23,488 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2023-12-02 23:43:24,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:24,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2483 states to 819 states and 2483 transitions. [2023-12-02 23:43:24,927 INFO L276 IsEmpty]: Start isEmpty. Operand 819 states and 2483 transitions. [2023-12-02 23:43:24,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-02 23:43:24,927 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:24,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:43:24,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:24,954 INFO L262 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 23:43:24,956 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:43:25,033 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 23:43:38,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:38,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2504 states to 833 states and 2504 transitions. [2023-12-02 23:43:38,189 INFO L276 IsEmpty]: Start isEmpty. Operand 833 states and 2504 transitions. [2023-12-02 23:43:38,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-02 23:43:38,189 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:38,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:43:38,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:38,219 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 23:43:38,220 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:43:40,151 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-12-02 23:43:53,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:53,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2531 states to 841 states and 2531 transitions. [2023-12-02 23:43:53,089 INFO L276 IsEmpty]: Start isEmpty. Operand 841 states and 2531 transitions. [2023-12-02 23:43:53,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-02 23:43:53,090 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:53,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:43:53,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:53,118 INFO L262 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:43:53,119 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:43:53,253 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2023-12-02 23:44:07,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:44:07,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2589 states to 859 states and 2589 transitions. [2023-12-02 23:44:07,982 INFO L276 IsEmpty]: Start isEmpty. Operand 859 states and 2589 transitions. [2023-12-02 23:44:07,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-02 23:44:07,982 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:44:07,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:44:08,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:08,007 INFO L262 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:44:08,008 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:44:08,138 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2023-12-02 23:44:11,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:44:11,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2620 states to 865 states and 2620 transitions. [2023-12-02 23:44:11,256 INFO L276 IsEmpty]: Start isEmpty. Operand 865 states and 2620 transitions. [2023-12-02 23:44:11,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-02 23:44:11,256 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:44:11,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:44:11,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:11,283 INFO L262 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 23:44:11,284 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:44:11,896 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-12-02 23:44:16,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:44:16,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2630 states to 869 states and 2630 transitions. [2023-12-02 23:44:16,480 INFO L276 IsEmpty]: Start isEmpty. Operand 869 states and 2630 transitions. [2023-12-02 23:44:16,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-02 23:44:16,480 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:44:16,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:44:16,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:16,511 INFO L262 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:44:16,512 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:44:16,638 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2023-12-02 23:44:18,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:44:18,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2639 states to 871 states and 2639 transitions. [2023-12-02 23:44:18,220 INFO L276 IsEmpty]: Start isEmpty. Operand 871 states and 2639 transitions. [2023-12-02 23:44:18,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-02 23:44:18,221 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:44:18,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:44:18,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:18,250 INFO L262 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 23:44:18,251 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:44:18,461 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-12-02 23:44:19,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:44:19,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2642 states to 873 states and 2642 transitions. [2023-12-02 23:44:19,929 INFO L276 IsEmpty]: Start isEmpty. Operand 873 states and 2642 transitions. [2023-12-02 23:44:19,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-02 23:44:19,929 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:44:19,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:44:19,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:19,958 INFO L262 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:44:19,960 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:44:20,090 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2023-12-02 23:44:21,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:44:21,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2654 states to 875 states and 2654 transitions. [2023-12-02 23:44:21,657 INFO L276 IsEmpty]: Start isEmpty. Operand 875 states and 2654 transitions. [2023-12-02 23:44:21,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-02 23:44:21,658 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:44:21,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:44:21,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:21,684 INFO L262 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:44:21,685 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:44:21,816 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2023-12-02 23:44:23,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:44:23,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2661 states to 877 states and 2661 transitions. [2023-12-02 23:44:23,384 INFO L276 IsEmpty]: Start isEmpty. Operand 877 states and 2661 transitions. [2023-12-02 23:44:23,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-02 23:44:23,385 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:44:23,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:44:23,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:23,407 INFO L262 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 23:44:23,408 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:44:24,024 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-12-02 23:44:27,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:44:27,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2666 states to 881 states and 2666 transitions. [2023-12-02 23:44:27,389 INFO L276 IsEmpty]: Start isEmpty. Operand 881 states and 2666 transitions. [2023-12-02 23:44:27,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-02 23:44:27,390 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:44:27,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:44:27,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:27,417 INFO L262 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 23:44:27,417 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:44:28,069 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-12-02 23:44:29,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:44:29,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2670 states to 885 states and 2670 transitions. [2023-12-02 23:44:29,949 INFO L276 IsEmpty]: Start isEmpty. Operand 885 states and 2670 transitions. [2023-12-02 23:44:29,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-02 23:44:29,949 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:44:29,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:44:29,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:29,974 INFO L262 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 23:44:29,975 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:44:31,269 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-12-02 23:44:45,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:44:45,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2718 states to 894 states and 2718 transitions. [2023-12-02 23:44:45,315 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 2718 transitions. [2023-12-02 23:44:45,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-02 23:44:45,316 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:44:45,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:44:45,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:45,341 INFO L262 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 23:44:45,342 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:44:49,396 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 10 proven. 24 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-12-02 23:45:12,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:12,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2775 states to 912 states and 2775 transitions. [2023-12-02 23:45:12,269 INFO L276 IsEmpty]: Start isEmpty. Operand 912 states and 2775 transitions. [2023-12-02 23:45:12,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-02 23:45:12,270 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:12,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:45:12,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:12,295 INFO L262 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 23:45:12,296 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:12,514 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 10 proven. 24 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-12-02 23:45:16,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:16,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2799 states to 918 states and 2799 transitions. [2023-12-02 23:45:16,784 INFO L276 IsEmpty]: Start isEmpty. Operand 918 states and 2799 transitions. [2023-12-02 23:45:16,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-02 23:45:16,784 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:16,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:45:16,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:16,813 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 23:45:16,814 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:17,569 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 9 proven. 96 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-12-02 23:45:25,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:25,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2812 states to 925 states and 2812 transitions. [2023-12-02 23:45:25,354 INFO L276 IsEmpty]: Start isEmpty. Operand 925 states and 2812 transitions. [2023-12-02 23:45:25,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-02 23:45:25,355 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:25,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:45:25,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:25,381 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 23:45:25,382 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:25,441 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 9 proven. 96 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-12-02 23:45:27,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:27,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2813 states to 927 states and 2813 transitions. [2023-12-02 23:45:27,224 INFO L276 IsEmpty]: Start isEmpty. Operand 927 states and 2813 transitions. [2023-12-02 23:45:27,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-02 23:45:27,224 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:27,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:45:27,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:27,255 INFO L262 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:45:27,256 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:34,117 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-12-02 23:45:58,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:58,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2838 states to 932 states and 2838 transitions. [2023-12-02 23:45:58,289 INFO L276 IsEmpty]: Start isEmpty. Operand 932 states and 2838 transitions. [2023-12-02 23:45:58,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-02 23:45:58,290 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:58,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:45:58,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:58,318 INFO L262 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:45:58,319 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:58,354 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-12-02 23:46:13,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:13,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2856 states to 936 states and 2856 transitions. [2023-12-02 23:46:13,065 INFO L276 IsEmpty]: Start isEmpty. Operand 936 states and 2856 transitions. [2023-12-02 23:46:13,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-02 23:46:13,066 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:13,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:46:13,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:13,096 INFO L262 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:46:13,096 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:46:13,127 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-12-02 23:46:31,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:31,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2869 states to 938 states and 2869 transitions. [2023-12-02 23:46:31,707 INFO L276 IsEmpty]: Start isEmpty. Operand 938 states and 2869 transitions. [2023-12-02 23:46:31,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-02 23:46:31,708 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:31,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:46:31,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:31,733 INFO L262 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:46:31,734 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:46:31,769 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-12-02 23:46:46,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:46,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2886 states to 942 states and 2886 transitions. [2023-12-02 23:46:46,420 INFO L276 IsEmpty]: Start isEmpty. Operand 942 states and 2886 transitions. [2023-12-02 23:46:46,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-12-02 23:46:46,420 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:46,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:46:46,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:46,451 INFO L262 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 23:46:46,451 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:46:46,659 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2023-12-02 23:47:02,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:47:02,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2910 states to 956 states and 2910 transitions. [2023-12-02 23:47:02,812 INFO L276 IsEmpty]: Start isEmpty. Operand 956 states and 2910 transitions. [2023-12-02 23:47:02,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-12-02 23:47:02,812 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:47:02,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:47:02,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:02,839 INFO L262 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 23:47:02,840 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:47:03,017 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2023-12-02 23:47:07,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:47:07,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2926 states to 962 states and 2926 transitions. [2023-12-02 23:47:07,064 INFO L276 IsEmpty]: Start isEmpty. Operand 962 states and 2926 transitions. [2023-12-02 23:47:07,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-12-02 23:47:07,065 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:47:07,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:47:07,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:07,091 INFO L262 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:47:07,091 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:47:13,387 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-12-02 23:47:28,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:47:28,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2927 states to 963 states and 2927 transitions. [2023-12-02 23:47:28,142 INFO L276 IsEmpty]: Start isEmpty. Operand 963 states and 2927 transitions. [2023-12-02 23:47:28,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-12-02 23:47:28,143 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:47:28,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:47:28,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:28,170 INFO L262 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 23:47:28,171 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:47:28,691 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 23:47:52,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:47:52,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2953 states to 981 states and 2953 transitions. [2023-12-02 23:47:52,776 INFO L276 IsEmpty]: Start isEmpty. Operand 981 states and 2953 transitions. [2023-12-02 23:47:52,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-12-02 23:47:52,777 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:47:52,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:47:52,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:52,802 INFO L262 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:47:52,803 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:47:53,648 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-12-02 23:48:35,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:48:35,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2993 states to 991 states and 2985 transitions. [2023-12-02 23:48:35,997 INFO L276 IsEmpty]: Start isEmpty. Operand 991 states and 2985 transitions. [2023-12-02 23:48:35,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-12-02 23:48:35,998 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:48:35,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:48:36,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:36,024 INFO L262 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:48:36,025 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:48:36,054 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-12-02 23:48:43,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:48:43,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3016 states to 996 states and 3008 transitions. [2023-12-02 23:48:43,900 INFO L276 IsEmpty]: Start isEmpty. Operand 996 states and 3008 transitions. [2023-12-02 23:48:43,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-12-02 23:48:43,900 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:48:43,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:48:43,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:43,925 INFO L262 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:48:43,926 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:48:44,101 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-12-02 23:48:58,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:48:58,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3017 states to 997 states and 3009 transitions. [2023-12-02 23:48:58,392 INFO L276 IsEmpty]: Start isEmpty. Operand 997 states and 3009 transitions. [2023-12-02 23:48:58,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-12-02 23:48:58,393 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:48:58,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:48:58,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:58,418 INFO L262 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 23:48:58,419 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:48:58,491 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 23:49:05,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:49:05,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3022 states to 1001 states and 3014 transitions. [2023-12-02 23:49:05,863 INFO L276 IsEmpty]: Start isEmpty. Operand 1001 states and 3014 transitions. [2023-12-02 23:49:05,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-02 23:49:05,864 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:49:05,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:49:05,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:05,890 INFO L262 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 23:49:05,891 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:49:06,697 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-12-02 23:49:15,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:49:15,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3083 states to 1009 states and 3075 transitions. [2023-12-02 23:49:15,765 INFO L276 IsEmpty]: Start isEmpty. Operand 1009 states and 3075 transitions. [2023-12-02 23:49:15,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-02 23:49:15,766 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:49:15,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:49:15,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:15,795 INFO L262 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:49:15,796 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:49:16,928 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-12-02 23:49:50,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:49:50,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3084 states to 1010 states and 3076 transitions. [2023-12-02 23:49:50,859 INFO L276 IsEmpty]: Start isEmpty. Operand 1010 states and 3076 transitions. [2023-12-02 23:49:50,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-02 23:49:50,860 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:49:50,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:49:50,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:50,884 INFO L262 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:49:50,885 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:49:50,910 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-12-02 23:50:01,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:50:01,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3092 states to 1013 states and 3084 transitions. [2023-12-02 23:50:01,119 INFO L276 IsEmpty]: Start isEmpty. Operand 1013 states and 3084 transitions. [2023-12-02 23:50:01,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-02 23:50:01,120 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:50:01,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:50:01,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:50:01,150 INFO L262 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:50:01,150 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:50:01,181 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked.