./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c941ae-11e1-49d8-8d08-7d0bff47b0b1/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c941ae-11e1-49d8-8d08-7d0bff47b0b1/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_72c941ae-11e1-49d8-8d08-7d0bff47b0b1/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c941ae-11e1-49d8-8d08-7d0bff47b0b1/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c941ae-11e1-49d8-8d08-7d0bff47b0b1/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_72c941ae-11e1-49d8-8d08-7d0bff47b0b1/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 008f13fd1550f54b25db8c20ee30759d3819e45d65744da9f4f77718b68e7e66 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:50:49,085 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:50:49,201 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c941ae-11e1-49d8-8d08-7d0bff47b0b1/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:50:49,211 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:50:49,212 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:50:49,254 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:50:49,255 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:50:49,256 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:50:49,257 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:50:49,262 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:50:49,263 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:50:49,263 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:50:49,264 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:50:49,265 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:50:49,266 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:50:49,266 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:50:49,267 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:50:49,267 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:50:49,268 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:50:49,268 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:50:49,269 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:50:49,269 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:50:49,270 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:50:49,270 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:50:49,271 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:50:49,271 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:50:49,272 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:50:49,272 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:50:49,273 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:50:49,273 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:50:49,274 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:50:49,274 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:50:49,274 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:50:49,275 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:50:49,275 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:50:49,275 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_72c941ae-11e1-49d8-8d08-7d0bff47b0b1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c941ae-11e1-49d8-8d08-7d0bff47b0b1/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 008f13fd1550f54b25db8c20ee30759d3819e45d65744da9f4f77718b68e7e66 [2023-11-21 18:50:49,626 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:50:49,659 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:50:49,662 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:50:49,663 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:50:49,664 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:50:49,665 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c941ae-11e1-49d8-8d08-7d0bff47b0b1/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound1.c [2023-11-21 18:50:52,896 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:50:53,133 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:50:53,134 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c941ae-11e1-49d8-8d08-7d0bff47b0b1/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound1.c [2023-11-21 18:50:53,143 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c941ae-11e1-49d8-8d08-7d0bff47b0b1/bin/ukojak-verify-i0I2FZA1j2/data/7d97b8107/5a8808e251a3431a9b6d5116a7327ddb/FLAG44d596e34 [2023-11-21 18:50:53,161 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c941ae-11e1-49d8-8d08-7d0bff47b0b1/bin/ukojak-verify-i0I2FZA1j2/data/7d97b8107/5a8808e251a3431a9b6d5116a7327ddb [2023-11-21 18:50:53,164 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:50:53,166 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:50:53,171 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:50:53,172 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:50:53,178 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:50:53,179 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:50:53" (1/1) ... [2023-11-21 18:50:53,181 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ae1e3a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:53, skipping insertion in model container [2023-11-21 18:50:53,181 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:50:53" (1/1) ... [2023-11-21 18:50:53,208 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:50:53,427 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:50:53,438 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:50:53,466 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:50:53,493 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:50:53,494 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:53 WrapperNode [2023-11-21 18:50:53,494 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:50:53,496 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:50:53,496 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:50:53,497 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:50:53,505 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:53" (1/1) ... [2023-11-21 18:50:53,524 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:53" (1/1) ... [2023-11-21 18:50:53,567 INFO L138 Inliner]: procedures = 14, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 119 [2023-11-21 18:50:53,568 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:50:53,569 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:50:53,570 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:50:53,570 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:50:53,580 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:53" (1/1) ... [2023-11-21 18:50:53,581 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:53" (1/1) ... [2023-11-21 18:50:53,587 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:53" (1/1) ... [2023-11-21 18:50:53,588 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:53" (1/1) ... [2023-11-21 18:50:53,601 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:53" (1/1) ... [2023-11-21 18:50:53,613 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:53" (1/1) ... [2023-11-21 18:50:53,615 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:53" (1/1) ... [2023-11-21 18:50:53,616 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:53" (1/1) ... [2023-11-21 18:50:53,618 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:50:53,625 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:50:53,625 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:50:53,626 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:50:53,627 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:53" (1/1) ... [2023-11-21 18:50:53,633 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:50:53,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c941ae-11e1-49d8-8d08-7d0bff47b0b1/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:50:53,665 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c941ae-11e1-49d8-8d08-7d0bff47b0b1/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:50:53,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72c941ae-11e1-49d8-8d08-7d0bff47b0b1/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:50:53,702 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:50:53,702 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:50:53,702 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:50:53,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:50:53,703 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:50:53,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:50:53,703 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:50:53,703 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:50:53,771 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:50:53,773 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:50:54,226 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:50:54,265 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:50:54,265 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 18:50:54,267 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:50:54 BoogieIcfgContainer [2023-11-21 18:50:54,267 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:50:54,268 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:50:54,272 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:50:54,283 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:50:54,283 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:50:54" (1/1) ... [2023-11-21 18:50:54,293 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:50:54,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:54,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 135 states and 146 transitions. [2023-11-21 18:50:54,373 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 146 transitions. [2023-11-21 18:50:54,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:50:54,377 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:54,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:54,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:54,606 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:50:54,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:54,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 135 states and 145 transitions. [2023-11-21 18:50:54,656 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 145 transitions. [2023-11-21 18:50:54,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:50:54,657 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:54,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:54,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:54,792 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:50:54,797 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:54,841 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:50:54,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:54,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 137 states and 149 transitions. [2023-11-21 18:50:54,871 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 149 transitions. [2023-11-21 18:50:54,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:50:54,872 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:54,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:54,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:54,911 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:50:54,913 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:54,937 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:50:54,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:54,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 138 states and 150 transitions. [2023-11-21 18:50:54,958 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 150 transitions. [2023-11-21 18:50:54,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:50:54,959 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:54,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:54,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:54,995 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:50:54,997 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:55,015 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:50:55,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:55,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 142 states and 157 transitions. [2023-11-21 18:50:55,099 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 157 transitions. [2023-11-21 18:50:55,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:50:55,100 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:55,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:55,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:55,136 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:50:55,138 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:55,150 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:50:55,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:55,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 143 states and 158 transitions. [2023-11-21 18:50:55,165 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 158 transitions. [2023-11-21 18:50:55,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:50:55,166 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:55,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:55,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:55,200 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:50:55,201 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:55,258 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:50:55,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:55,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 146 states and 161 transitions. [2023-11-21 18:50:55,325 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 161 transitions. [2023-11-21 18:50:55,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:50:55,327 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:55,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:55,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:55,388 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:50:55,390 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:55,455 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:50:55,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:55,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 147 states and 162 transitions. [2023-11-21 18:50:55,476 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 162 transitions. [2023-11-21 18:50:55,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:50:55,477 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:55,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:55,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:55,513 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:50:55,515 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:55,568 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:50:55,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:55,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 156 states and 175 transitions. [2023-11-21 18:50:55,713 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 175 transitions. [2023-11-21 18:50:55,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:50:55,714 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:55,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:55,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:55,761 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:50:55,764 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:55,788 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:50:55,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:55,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 157 states and 176 transitions. [2023-11-21 18:50:55,815 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 176 transitions. [2023-11-21 18:50:55,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:50:55,817 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:55,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:55,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:55,874 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:50:55,883 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:56,010 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:50:56,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:56,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 168 states and 192 transitions. [2023-11-21 18:50:56,362 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 192 transitions. [2023-11-21 18:50:56,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:50:56,363 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:56,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:56,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:56,395 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:50:56,396 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:56,529 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:50:57,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:57,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 180 states and 210 transitions. [2023-11-21 18:50:57,104 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 210 transitions. [2023-11-21 18:50:57,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:50:57,105 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:57,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:57,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:57,159 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:50:57,164 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:57,281 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:50:57,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:57,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 183 states and 215 transitions. [2023-11-21 18:50:57,548 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 215 transitions. [2023-11-21 18:50:57,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:50:57,549 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:57,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:57,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:57,583 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:50:57,587 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:57,659 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:50:58,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:58,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 184 states and 216 transitions. [2023-11-21 18:50:58,072 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 216 transitions. [2023-11-21 18:50:58,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:50:58,073 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:58,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:58,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:58,117 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:50:58,118 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:58,144 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-21 18:50:58,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:58,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 193 states and 231 transitions. [2023-11-21 18:50:58,916 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 231 transitions. [2023-11-21 18:50:58,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-21 18:50:58,917 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:58,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:58,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:58,952 INFO L262 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:50:58,954 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:58,985 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-21 18:50:59,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:59,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 194 states and 232 transitions. [2023-11-21 18:50:59,018 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 232 transitions. [2023-11-21 18:50:59,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-21 18:50:59,019 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:59,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:59,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:59,055 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:50:59,057 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:59,242 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-21 18:51:00,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:00,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 212 states and 258 transitions. [2023-11-21 18:51:00,737 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 258 transitions. [2023-11-21 18:51:00,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-21 18:51:00,738 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:00,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:00,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:00,770 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:51:00,772 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:00,943 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-21 18:51:02,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:02,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 231 states and 286 transitions. [2023-11-21 18:51:02,663 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 286 transitions. [2023-11-21 18:51:02,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-21 18:51:02,664 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:02,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:02,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:02,714 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:51:02,720 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:02,858 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-21 18:51:03,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:03,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 234 states and 291 transitions. [2023-11-21 18:51:03,347 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 291 transitions. [2023-11-21 18:51:03,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-21 18:51:03,349 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:03,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:03,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:03,390 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:51:03,392 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:03,597 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-21 18:51:04,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:04,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 235 states and 292 transitions. [2023-11-21 18:51:04,344 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 292 transitions. [2023-11-21 18:51:04,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-21 18:51:04,345 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:04,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:04,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:04,389 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:51:04,390 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:04,458 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-21 18:51:04,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:04,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 234 states and 291 transitions. [2023-11-21 18:51:04,556 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 291 transitions. [2023-11-21 18:51:04,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:51:04,557 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:04,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:04,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:04,606 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:51:04,607 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:04,664 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-21 18:51:04,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:04,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 233 states and 290 transitions. [2023-11-21 18:51:04,871 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 290 transitions. [2023-11-21 18:51:04,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:51:04,872 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:04,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:04,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:04,931 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:51:04,933 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:04,939 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-21 18:51:04,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:04,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 232 states and 289 transitions. [2023-11-21 18:51:04,983 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 289 transitions. [2023-11-21 18:51:04,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:51:04,984 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:04,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:05,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:05,027 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:51:05,029 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:05,033 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-21 18:51:05,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:05,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 231 states and 288 transitions. [2023-11-21 18:51:05,075 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 288 transitions. [2023-11-21 18:51:05,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-21 18:51:05,081 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:05,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:05,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:05,124 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:51:05,126 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:05,436 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-21 18:51:09,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:09,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 257 states and 327 transitions. [2023-11-21 18:51:09,096 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 327 transitions. [2023-11-21 18:51:09,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-21 18:51:09,097 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:09,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:09,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:09,133 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:51:09,135 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:09,395 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-21 18:51:12,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:12,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 283 states and 364 transitions. [2023-11-21 18:51:12,915 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 364 transitions. [2023-11-21 18:51:12,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-21 18:51:12,916 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:12,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:12,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:12,967 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:51:12,969 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:13,171 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-21 18:51:17,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:17,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 298 states and 389 transitions. [2023-11-21 18:51:17,228 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 389 transitions. [2023-11-21 18:51:17,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-21 18:51:17,229 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:17,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:17,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:17,263 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:51:17,265 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:17,482 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-21 18:51:21,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:21,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 313 states and 414 transitions. [2023-11-21 18:51:21,370 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 414 transitions. [2023-11-21 18:51:21,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-21 18:51:21,373 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:21,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:21,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:21,422 INFO L262 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:51:21,424 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:21,615 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:51:24,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:24,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 326 states and 436 transitions. [2023-11-21 18:51:24,992 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 436 transitions. [2023-11-21 18:51:24,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-21 18:51:24,993 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:24,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:25,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:25,031 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:51:25,032 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:25,210 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-21 18:51:26,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:26,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 330 states and 442 transitions. [2023-11-21 18:51:26,349 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 442 transitions. [2023-11-21 18:51:26,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-21 18:51:26,350 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:26,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:26,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:26,417 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:51:26,418 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:26,531 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-21 18:51:27,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:27,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 334 states and 448 transitions. [2023-11-21 18:51:27,472 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 448 transitions. [2023-11-21 18:51:27,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-21 18:51:27,473 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:27,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:27,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:27,511 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:51:27,513 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:27,677 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:51:32,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:32,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 348 states and 471 transitions. [2023-11-21 18:51:32,387 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 471 transitions. [2023-11-21 18:51:32,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-21 18:51:32,388 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:32,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:32,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:32,424 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:51:32,426 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:32,658 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-21 18:51:37,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:37,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 363 states and 498 transitions. [2023-11-21 18:51:37,957 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 498 transitions. [2023-11-21 18:51:37,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-21 18:51:37,958 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:37,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:37,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:37,990 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:51:37,992 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:38,233 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-21 18:51:44,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:44,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 378 states and 525 transitions. [2023-11-21 18:51:44,450 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 525 transitions. [2023-11-21 18:51:44,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-21 18:51:44,451 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:44,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:44,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:44,529 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:51:44,531 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:44,814 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked.