./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench/ps3-ll.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 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_cb2302b0-ade5-4067-ac3d-515d530788b0/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb2302b0-ade5-4067-ac3d-515d530788b0/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb2302b0-ade5-4067-ac3d-515d530788b0/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb2302b0-ade5-4067-ac3d-515d530788b0/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/ps3-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb2302b0-ade5-4067-ac3d-515d530788b0/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb2302b0-ade5-4067-ac3d-515d530788b0/bin/ukojak-verify-i0I2FZA1j2 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8db0248129cbdf684d5c34c8cefe6849dfc0aface1aea6f02e53557e5a736fa9 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:25:11,588 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:25:11,677 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb2302b0-ade5-4067-ac3d-515d530788b0/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:25:11,682 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:25:11,683 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:25:11,711 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:25:11,712 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:25:11,712 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:25:11,713 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:25:11,714 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:25:11,715 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:25:11,715 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:25:11,716 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:25:11,717 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:25:11,717 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:25:11,718 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:25:11,719 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:25:11,719 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:25:11,720 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:25:11,721 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:25:11,721 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:25:11,722 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:25:11,723 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:25:11,723 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:25:11,724 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:25:11,725 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:25:11,725 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:25:11,726 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:25:11,727 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:25:11,727 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:25:11,728 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:25:11,728 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:25:11,729 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:25:11,729 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:25:11,730 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:25:11,730 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_cb2302b0-ade5-4067-ac3d-515d530788b0/bin/ukojak-verify-i0I2FZA1j2/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb2302b0-ade5-4067-ac3d-515d530788b0/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8db0248129cbdf684d5c34c8cefe6849dfc0aface1aea6f02e53557e5a736fa9 [2023-11-21 18:25:12,012 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:25:12,047 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:25:12,049 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:25:12,052 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:25:12,052 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:25:12,054 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb2302b0-ade5-4067-ac3d-515d530788b0/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/nla-digbench/ps3-ll.c [2023-11-21 18:25:15,094 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:25:15,385 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:25:15,385 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb2302b0-ade5-4067-ac3d-515d530788b0/sv-benchmarks/c/nla-digbench/ps3-ll.c [2023-11-21 18:25:15,394 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb2302b0-ade5-4067-ac3d-515d530788b0/bin/ukojak-verify-i0I2FZA1j2/data/1039e6ac0/b337cf98d31a4af0acf818fb1a19db1f/FLAG7a9e05952 [2023-11-21 18:25:15,409 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb2302b0-ade5-4067-ac3d-515d530788b0/bin/ukojak-verify-i0I2FZA1j2/data/1039e6ac0/b337cf98d31a4af0acf818fb1a19db1f [2023-11-21 18:25:15,411 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:25:15,413 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:25:15,415 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:25:15,415 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:25:15,420 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:25:15,421 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:25:15" (1/1) ... [2023-11-21 18:25:15,422 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2af85ca2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:15, skipping insertion in model container [2023-11-21 18:25:15,422 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:25:15" (1/1) ... [2023-11-21 18:25:15,449 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:25:15,609 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:25:15,620 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:25:15,640 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:25:15,655 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:25:15,656 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:15 WrapperNode [2023-11-21 18:25:15,656 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:25:15,657 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:25:15,658 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:25:15,658 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:25:15,666 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:15" (1/1) ... [2023-11-21 18:25:15,672 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:15" (1/1) ... [2023-11-21 18:25:15,697 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 83 [2023-11-21 18:25:15,698 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:25:15,699 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:25:15,699 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:25:15,699 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:25:15,716 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:15" (1/1) ... [2023-11-21 18:25:15,717 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:15" (1/1) ... [2023-11-21 18:25:15,721 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:15" (1/1) ... [2023-11-21 18:25:15,721 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:15" (1/1) ... [2023-11-21 18:25:15,725 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:15" (1/1) ... [2023-11-21 18:25:15,729 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:15" (1/1) ... [2023-11-21 18:25:15,730 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:15" (1/1) ... [2023-11-21 18:25:15,731 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:15" (1/1) ... [2023-11-21 18:25:15,734 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:25:15,735 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:25:15,735 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:25:15,735 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:25:15,736 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:15" (1/1) ... [2023-11-21 18:25:15,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:25:15,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb2302b0-ade5-4067-ac3d-515d530788b0/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:25:15,778 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb2302b0-ade5-4067-ac3d-515d530788b0/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:25:15,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb2302b0-ade5-4067-ac3d-515d530788b0/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:25:15,822 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:25:15,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:25:15,822 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:25:15,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:25:15,823 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:25:15,823 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:25:15,886 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:25:15,888 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:25:16,293 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:25:16,344 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:25:16,344 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 18:25:16,346 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:25:16 BoogieIcfgContainer [2023-11-21 18:25:16,346 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:25:16,347 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:25:16,348 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:25:16,359 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:25:16,359 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:25:16" (1/1) ... [2023-11-21 18:25:16,369 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:25:16,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:16,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 97 states and 99 transitions. [2023-11-21 18:25:16,431 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 99 transitions. [2023-11-21 18:25:16,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:25:16,434 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:16,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:16,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:16,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:16,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:16,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 97 states and 98 transitions. [2023-11-21 18:25:16,581 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 98 transitions. [2023-11-21 18:25:16,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:25:16,582 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:16,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:16,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:16,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:16,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:16,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 99 states and 101 transitions. [2023-11-21 18:25:16,736 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 101 transitions. [2023-11-21 18:25:16,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:25:16,737 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:16,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:16,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:16,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:16,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:16,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 100 states and 102 transitions. [2023-11-21 18:25:16,806 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 102 transitions. [2023-11-21 18:25:16,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-21 18:25:16,807 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:16,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:16,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:16,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:16,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:16,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 104 states and 108 transitions. [2023-11-21 18:25:16,973 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 108 transitions. [2023-11-21 18:25:16,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:25:16,973 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:16,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:16,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:17,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:17,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:17,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 105 states and 109 transitions. [2023-11-21 18:25:17,096 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 109 transitions. [2023-11-21 18:25:17,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:25:17,096 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:17,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:17,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:17,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:17,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:17,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 104 states and 108 transitions. [2023-11-21 18:25:17,122 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 108 transitions. [2023-11-21 18:25:17,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:25:17,123 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:17,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:17,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:17,147 INFO L262 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:25:17,152 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:17,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:17,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:17,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 106 states and 110 transitions. [2023-11-21 18:25:17,211 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 110 transitions. [2023-11-21 18:25:17,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:25:17,212 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:17,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:17,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:17,257 INFO L262 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:25:17,258 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:17,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:17,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:17,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 107 states and 111 transitions. [2023-11-21 18:25:17,315 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 111 transitions. [2023-11-21 18:25:17,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:25:17,316 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:17,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:17,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:17,343 INFO L262 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:25:17,343 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:17,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:17,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:17,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 108 states and 112 transitions. [2023-11-21 18:25:17,398 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 112 transitions. [2023-11-21 18:25:17,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 18:25:17,400 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:17,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:17,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:17,439 INFO L262 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:25:17,441 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:17,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:17,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:17,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 115 states and 121 transitions. [2023-11-21 18:25:17,669 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 121 transitions. [2023-11-21 18:25:17,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:25:17,670 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:17,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:17,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:17,699 INFO L262 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:25:17,700 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:17,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:18,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:18,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 123 states and 130 transitions. [2023-11-21 18:25:18,006 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 130 transitions. [2023-11-21 18:25:18,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:25:18,007 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:18,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:18,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:18,031 INFO L262 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:25:18,032 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:18,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:18,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:18,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 124 states and 132 transitions. [2023-11-21 18:25:18,120 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 132 transitions. [2023-11-21 18:25:18,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:25:18,122 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:18,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:18,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:18,145 INFO L262 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:25:18,149 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:18,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:18,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:18,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 126 states and 135 transitions. [2023-11-21 18:25:18,270 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 135 transitions. [2023-11-21 18:25:18,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:25:18,270 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:18,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:18,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:18,292 INFO L262 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:25:18,293 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:18,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:18,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:18,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 125 states and 134 transitions. [2023-11-21 18:25:18,301 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 134 transitions. [2023-11-21 18:25:18,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:25:18,302 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:18,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:18,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:18,319 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:25:18,320 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:18,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:18,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:18,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 128 states and 137 transitions. [2023-11-21 18:25:18,379 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 137 transitions. [2023-11-21 18:25:18,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:25:18,380 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:18,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:18,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:18,398 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:25:18,399 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:18,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:18,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:18,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 134 states and 143 transitions. [2023-11-21 18:25:18,575 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 143 transitions. [2023-11-21 18:25:18,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:25:18,575 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:18,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:18,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:18,593 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:25:18,594 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:18,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:18,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:18,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 140 states and 150 transitions. [2023-11-21 18:25:18,771 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 150 transitions. [2023-11-21 18:25:18,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:25:18,771 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:18,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:18,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:18,790 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:25:18,791 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:18,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:19,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:19,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 141 states and 152 transitions. [2023-11-21 18:25:19,047 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 152 transitions. [2023-11-21 18:25:19,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:25:19,048 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:19,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:19,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:19,074 INFO L262 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:25:19,076 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:19,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:19,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:19,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 143 states and 156 transitions. [2023-11-21 18:25:19,389 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 156 transitions. [2023-11-21 18:25:19,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:25:19,393 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:19,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:19,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:19,417 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:25:19,419 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:19,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:19,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:19,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 146 states and 161 transitions. [2023-11-21 18:25:19,690 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 161 transitions. [2023-11-21 18:25:19,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:25:19,691 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:19,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:19,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:19,711 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:25:19,712 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:19,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:20,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:20,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 168 states and 191 transitions. [2023-11-21 18:25:20,474 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 191 transitions. [2023-11-21 18:25:20,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:25:20,475 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:20,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:20,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:20,531 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:25:20,540 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:20,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:21,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:21,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 173 states and 200 transitions. [2023-11-21 18:25:21,076 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 200 transitions. [2023-11-21 18:25:21,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:25:21,077 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:21,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:21,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:21,098 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:25:21,100 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:21,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:22,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:22,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 196 states and 232 transitions. [2023-11-21 18:25:22,057 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 232 transitions. [2023-11-21 18:25:22,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:25:22,057 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:22,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:22,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:22,080 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:25:22,081 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:22,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:22,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:22,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 199 states and 236 transitions. [2023-11-21 18:25:22,680 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 236 transitions. [2023-11-21 18:25:22,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:25:22,681 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:22,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:22,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:22,703 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:25:22,704 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:22,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:23,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:23,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 202 states and 243 transitions. [2023-11-21 18:25:23,058 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 243 transitions. [2023-11-21 18:25:23,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:25:23,058 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:23,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:23,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:23,077 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:25:23,078 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:23,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:23,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:23,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 206 states and 248 transitions. [2023-11-21 18:25:23,920 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 248 transitions. [2023-11-21 18:25:23,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:25:23,921 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:23,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:23,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:23,941 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:25:23,942 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:23,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:24,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:24,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 210 states and 256 transitions. [2023-11-21 18:25:24,321 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 256 transitions. [2023-11-21 18:25:24,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:25:24,322 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:24,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:24,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:24,342 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:25:24,346 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:24,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:24,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:24,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 209 states and 255 transitions. [2023-11-21 18:25:24,371 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 255 transitions. [2023-11-21 18:25:24,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:25:24,373 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:24,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:24,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:24,392 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:25:24,393 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:24,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:24,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:24,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 208 states and 254 transitions. [2023-11-21 18:25:24,415 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 254 transitions. [2023-11-21 18:25:24,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:25:24,415 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:24,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:24,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:24,434 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:25:24,435 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:24,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:25,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:25,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 214 states and 261 transitions. [2023-11-21 18:25:25,653 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 261 transitions. [2023-11-21 18:25:25,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:25:25,653 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:25,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:25,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:25,676 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:25:25,677 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:25,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:26,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:26,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 223 states and 276 transitions. [2023-11-21 18:25:26,682 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 276 transitions. [2023-11-21 18:25:26,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:25:26,683 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:26,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:26,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:26,711 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:25:26,712 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:26,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:27,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:27,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 230 states and 285 transitions. [2023-11-21 18:25:27,583 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 285 transitions. [2023-11-21 18:25:27,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:25:27,584 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:27,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:27,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:27,610 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:25:27,611 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:27,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:28,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:28,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 242 states and 302 transitions. [2023-11-21 18:25:28,434 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 302 transitions. [2023-11-21 18:25:28,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:25:28,435 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:28,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:28,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:28,457 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:25:28,458 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:28,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:29,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:29,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 250 states and 312 transitions. [2023-11-21 18:25:29,385 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 312 transitions. [2023-11-21 18:25:29,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:25:29,385 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:29,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:29,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:29,405 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:25:29,406 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:29,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:30,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:30,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 262 states and 331 transitions. [2023-11-21 18:25:30,563 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 331 transitions. [2023-11-21 18:25:30,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-21 18:25:30,564 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:30,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:30,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:30,582 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:25:30,583 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:30,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:31,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:31,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 271 states and 342 transitions. [2023-11-21 18:25:31,915 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 342 transitions. [2023-11-21 18:25:31,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:25:31,916 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:31,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:31,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:31,941 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:25:31,942 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:32,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:33,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:33,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 281 states and 354 transitions. [2023-11-21 18:25:33,549 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 354 transitions. [2023-11-21 18:25:33,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:25:33,550 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:33,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:33,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:33,570 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:25:33,571 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:33,648 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:25:33,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:33,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 284 states and 359 transitions. [2023-11-21 18:25:33,937 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 359 transitions. [2023-11-21 18:25:33,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:25:33,937 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:33,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:33,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:33,956 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:25:33,957 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:34,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:34,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:34,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 283 states and 358 transitions. [2023-11-21 18:25:34,852 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 358 transitions. [2023-11-21 18:25:34,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:25:34,853 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:34,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:34,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:34,873 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:25:34,874 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:35,109 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:35,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:35,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 288 states and 367 transitions. [2023-11-21 18:25:35,678 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 367 transitions. [2023-11-21 18:25:35,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-21 18:25:35,678 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:35,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:35,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:35,700 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:25:35,703 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:35,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:36,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:36,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 287 states and 366 transitions. [2023-11-21 18:25:36,542 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 366 transitions. [2023-11-21 18:25:36,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-21 18:25:36,543 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:36,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:36,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:36,572 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:25:36,572 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:36,627 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:37,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:37,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 291 states and 375 transitions. [2023-11-21 18:25:37,049 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 375 transitions. [2023-11-21 18:25:37,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-21 18:25:37,050 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:37,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:37,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:37,069 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:25:37,070 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:37,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:37,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:37,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 290 states and 374 transitions. [2023-11-21 18:25:37,090 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 374 transitions. [2023-11-21 18:25:37,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-21 18:25:37,091 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:37,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:37,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:37,112 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:25:37,113 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:37,211 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:37,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:37,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 295 states and 382 transitions. [2023-11-21 18:25:37,891 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 382 transitions. [2023-11-21 18:25:37,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-21 18:25:37,891 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:37,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:37,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:37,915 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:25:37,916 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:38,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:39,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:39,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 294 states and 381 transitions. [2023-11-21 18:25:39,811 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 381 transitions. [2023-11-21 18:25:39,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-21 18:25:39,811 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:39,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:39,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:39,838 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:25:39,839 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:40,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:43,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:43,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 309 states and 398 transitions. [2023-11-21 18:25:43,078 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 398 transitions. [2023-11-21 18:25:43,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-21 18:25:43,078 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:43,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:43,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:43,106 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:25:43,108 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:43,343 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:44,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:44,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 313 states and 404 transitions. [2023-11-21 18:25:44,022 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 404 transitions. [2023-11-21 18:25:44,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-21 18:25:44,022 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:44,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:44,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:44,052 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:25:44,053 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:44,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:45,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:45,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 312 states and 403 transitions. [2023-11-21 18:25:45,012 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 403 transitions. [2023-11-21 18:25:45,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-21 18:25:45,013 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:45,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:45,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:45,034 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:25:45,035 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:45,112 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:45,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:45,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 316 states and 408 transitions. [2023-11-21 18:25:45,501 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 408 transitions. [2023-11-21 18:25:45,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-21 18:25:45,501 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:45,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:45,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:45,522 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:25:45,522 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:45,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:50,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:50,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 333 states and 427 transitions. [2023-11-21 18:25:50,957 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 427 transitions. [2023-11-21 18:25:50,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-21 18:25:50,958 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:50,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:50,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:50,985 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:25:50,986 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:51,065 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:51,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:51,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 337 states and 432 transitions. [2023-11-21 18:25:51,396 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 432 transitions. [2023-11-21 18:25:51,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-21 18:25:51,397 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:51,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:51,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:51,430 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:25:51,431 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:51,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:55,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:55,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 336 states and 431 transitions. [2023-11-21 18:25:55,162 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 431 transitions. [2023-11-21 18:25:55,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-21 18:25:55,162 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:55,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:55,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:55,189 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:25:55,191 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:55,371 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:56,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:56,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 342 states and 438 transitions. [2023-11-21 18:25:56,266 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 438 transitions. [2023-11-21 18:25:56,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-21 18:25:56,266 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:56,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:56,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:56,301 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:25:56,303 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:56,808 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:58,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:58,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 350 states and 449 transitions. [2023-11-21 18:25:58,572 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 449 transitions. [2023-11-21 18:25:58,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-21 18:25:58,573 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:58,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:58,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:58,601 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:25:58,602 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:58,682 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:59,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:59,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 354 states and 455 transitions. [2023-11-21 18:25:59,450 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 455 transitions. [2023-11-21 18:25:59,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-21 18:25:59,451 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:59,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:59,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:59,477 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:25:59,478 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:59,564 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:59,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:59,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 356 states and 459 transitions. [2023-11-21 18:25:59,641 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 459 transitions. [2023-11-21 18:25:59,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-21 18:25:59,642 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:59,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:59,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:59,670 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:25:59,671 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:59,782 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:26:00,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:00,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 363 states and 469 transitions. [2023-11-21 18:26:00,919 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 469 transitions. [2023-11-21 18:26:00,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-21 18:26:00,920 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:00,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:00,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:00,956 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:26:01,009 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:26:01,585 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:26:03,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:03,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 369 states and 479 transitions. [2023-11-21 18:26:03,580 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 479 transitions. [2023-11-21 18:26:03,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-21 18:26:03,581 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:03,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:03,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:03,606 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:26:03,608 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:26:04,046 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:26:05,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:05,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 374 states and 490 transitions. [2023-11-21 18:26:05,560 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 490 transitions. [2023-11-21 18:26:05,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-21 18:26:05,560 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:05,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:05,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:05,588 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:26:05,589 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:26:05,778 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:26:06,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:06,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 378 states and 493 transitions. [2023-11-21 18:26:06,309 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 493 transitions. [2023-11-21 18:26:06,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-21 18:26:06,310 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:06,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:06,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:06,333 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:26:06,335 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:26:06,594 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:26:06,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:06,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 379 states and 496 transitions. [2023-11-21 18:26:06,729 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 496 transitions. [2023-11-21 18:26:06,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-21 18:26:06,730 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:06,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:06,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:06,760 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:26:06,762 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:26:06,888 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:26:07,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:07,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 404 states and 520 transitions. [2023-11-21 18:26:07,722 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 520 transitions. [2023-11-21 18:26:07,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-21 18:26:07,723 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:07,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:07,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:07,754 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:26:07,755 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:26:07,957 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.