./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-industry-pattern/array_of_struct_ptr_mul_init.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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_29642a12-6260-481f-b7b1-c9b62055a239/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29642a12-6260-481f-b7b1-c9b62055a239/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_29642a12-6260-481f-b7b1-c9b62055a239/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29642a12-6260-481f-b7b1-c9b62055a239/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/array-industry-pattern/array_of_struct_ptr_mul_init.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29642a12-6260-481f-b7b1-c9b62055a239/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29642a12-6260-481f-b7b1-c9b62055a239/bin/ukojak-verify-i0I2FZA1j2 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 08288106b555461ef057d9cc6ff3152dcec81ba7fba064f1bc055561de30be9f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:50:54,184 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:50:54,335 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29642a12-6260-481f-b7b1-c9b62055a239/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-21 18:50:54,347 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:50:54,348 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:50:54,398 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:50:54,400 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:50:54,401 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:50:54,403 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:50:54,409 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:50:54,411 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:50:54,412 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:50:54,413 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:50:54,415 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:50:54,416 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:50:54,416 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:50:54,417 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:50:54,417 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:50:54,418 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:50:54,419 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:50:54,419 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:50:54,420 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:50:54,422 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:50:54,422 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:50:54,423 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:50:54,424 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:50:54,424 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:50:54,425 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:50:54,426 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:50:54,427 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:50:54,428 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:50:54,429 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:50:54,431 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:50:54,431 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_29642a12-6260-481f-b7b1-c9b62055a239/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29642a12-6260-481f-b7b1-c9b62055a239/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 08288106b555461ef057d9cc6ff3152dcec81ba7fba064f1bc055561de30be9f [2023-11-21 18:50:54,856 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:50:54,909 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:50:54,912 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:50:54,914 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:50:54,914 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:50:54,916 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29642a12-6260-481f-b7b1-c9b62055a239/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/array-industry-pattern/array_of_struct_ptr_mul_init.i [2023-11-21 18:50:58,484 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:50:58,698 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:50:58,699 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29642a12-6260-481f-b7b1-c9b62055a239/sv-benchmarks/c/array-industry-pattern/array_of_struct_ptr_mul_init.i [2023-11-21 18:50:58,709 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29642a12-6260-481f-b7b1-c9b62055a239/bin/ukojak-verify-i0I2FZA1j2/data/b9df53f43/febe2803f1d74a58827301721de411d0/FLAGeab241668 [2023-11-21 18:50:58,756 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29642a12-6260-481f-b7b1-c9b62055a239/bin/ukojak-verify-i0I2FZA1j2/data/b9df53f43/febe2803f1d74a58827301721de411d0 [2023-11-21 18:50:58,763 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:50:58,766 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:50:58,771 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:50:58,772 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:50:58,778 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:50:58,779 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:50:58" (1/1) ... [2023-11-21 18:50:58,781 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@716d9437 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:58, skipping insertion in model container [2023-11-21 18:50:58,781 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:50:58" (1/1) ... [2023-11-21 18:50:58,812 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:50:59,011 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29642a12-6260-481f-b7b1-c9b62055a239/sv-benchmarks/c/array-industry-pattern/array_of_struct_ptr_mul_init.i[821,834] [2023-11-21 18:50:59,034 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:51:01,439 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:51:01,454 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29642a12-6260-481f-b7b1-c9b62055a239/sv-benchmarks/c/array-industry-pattern/array_of_struct_ptr_mul_init.i[821,834] [2023-11-21 18:51:01,469 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:51:01,488 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:51:01,489 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:01 WrapperNode [2023-11-21 18:51:01,489 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:51:01,490 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:51:01,490 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:51:01,491 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:51:01,499 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:01" (1/1) ... [2023-11-21 18:51:01,521 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:01" (1/1) ... [2023-11-21 18:51:01,600 INFO L138 Inliner]: procedures = 16, calls = 17, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 71 [2023-11-21 18:51:01,601 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:51:01,602 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:51:01,602 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:51:01,602 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:51:01,618 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:01" (1/1) ... [2023-11-21 18:51:01,619 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:01" (1/1) ... [2023-11-21 18:51:01,624 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:01" (1/1) ... [2023-11-21 18:51:01,624 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:01" (1/1) ... [2023-11-21 18:51:01,630 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:01" (1/1) ... [2023-11-21 18:51:01,635 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:01" (1/1) ... [2023-11-21 18:51:01,642 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:01" (1/1) ... [2023-11-21 18:51:01,643 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:01" (1/1) ... [2023-11-21 18:51:01,646 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:51:01,647 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:51:01,647 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:51:01,647 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:51:01,648 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:01" (1/1) ... [2023-11-21 18:51:01,655 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:51:01,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29642a12-6260-481f-b7b1-c9b62055a239/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:51:01,700 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29642a12-6260-481f-b7b1-c9b62055a239/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:51:01,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29642a12-6260-481f-b7b1-c9b62055a239/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:51:01,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:51:01,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:51:01,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:51:01,754 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:51:01,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:51:01,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:51:01,852 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:51:01,858 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:51:02,092 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:51:02,207 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:51:02,207 INFO L308 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-21 18:51:02,209 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:51:02 BoogieIcfgContainer [2023-11-21 18:51:02,209 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:51:02,210 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:51:02,210 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:51:02,220 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:51:02,221 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:51:02" (1/1) ... [2023-11-21 18:51:02,230 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:51:02,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:02,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 9 states and 12 transitions. [2023-11-21 18:51:02,293 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 12 transitions. [2023-11-21 18:51:02,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:51:02,295 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:02,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:02,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:02,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:02,460 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:51:02,465 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:02,503 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 18:51:02,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:02,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2023-11-21 18:51:02,546 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2023-11-21 18:51:02,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:51:02,546 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:02,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:02,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:02,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:02,603 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:51:02,604 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:02,608 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:51:02,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:02,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2023-11-21 18:51:02,627 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2023-11-21 18:51:02,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:51:02,628 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:02,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:02,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:02,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:02,684 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:51:02,685 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:02,718 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:51:02,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:02,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2023-11-21 18:51:02,760 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2023-11-21 18:51:02,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:51:02,760 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:02,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:02,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:02,810 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:51:02,811 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:02,828 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:51:02,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:02,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 13 states and 17 transitions. [2023-11-21 18:51:02,875 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 17 transitions. [2023-11-21 18:51:02,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:51:02,876 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:02,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:02,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:02,933 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:51:02,934 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:02,957 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:51:03,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:03,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2023-11-21 18:51:03,086 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2023-11-21 18:51:03,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 18:51:03,087 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:03,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:03,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:03,211 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:51:03,213 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:03,252 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:51:03,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:03,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2023-11-21 18:51:03,327 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2023-11-21 18:51:03,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:51:03,329 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:03,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:03,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:03,429 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:51:03,433 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:03,480 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:51:03,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:03,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2023-11-21 18:51:03,552 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2023-11-21 18:51:03,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:51:03,552 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:03,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:03,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:03,655 INFO L262 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 18:51:03,658 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:03,711 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:51:03,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:03,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2023-11-21 18:51:03,783 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2023-11-21 18:51:03,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:51:03,784 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:03,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:03,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:03,851 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 18:51:03,853 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:03,903 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:51:03,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:03,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2023-11-21 18:51:03,996 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2023-11-21 18:51:03,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:51:03,997 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:03,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:04,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:04,081 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-21 18:51:04,083 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:04,133 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:51:04,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:04,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2023-11-21 18:51:04,228 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2023-11-21 18:51:04,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:51:04,229 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:04,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:04,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:04,314 INFO L262 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 18:51:04,315 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:04,368 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:51:04,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:04,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2023-11-21 18:51:04,458 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2023-11-21 18:51:04,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:51:04,458 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:04,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:04,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:04,552 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-21 18:51:04,556 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:04,631 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:51:04,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:04,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 21 states and 25 transitions. [2023-11-21 18:51:04,733 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2023-11-21 18:51:04,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:51:04,735 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:04,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:04,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:04,839 INFO L262 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-21 18:51:04,841 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:04,906 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:51:05,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:05,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 22 states and 26 transitions. [2023-11-21 18:51:05,020 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2023-11-21 18:51:05,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:51:05,022 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:05,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:05,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:05,109 INFO L262 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-21 18:51:05,111 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:05,191 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:51:05,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:05,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 23 states and 27 transitions. [2023-11-21 18:51:05,300 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2023-11-21 18:51:05,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:51:05,301 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:05,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:05,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:05,386 INFO L262 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-21 18:51:05,388 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:05,469 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:51:05,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:05,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 24 states and 28 transitions. [2023-11-21 18:51:05,591 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2023-11-21 18:51:05,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:51:05,591 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:05,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:05,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:05,682 INFO L262 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-21 18:51:05,685 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:05,757 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:51:05,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:05,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 25 states and 29 transitions. [2023-11-21 18:51:05,870 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2023-11-21 18:51:05,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:51:05,871 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:05,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:05,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:05,956 INFO L262 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-21 18:51:05,964 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:06,049 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:51:06,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:06,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 26 states and 30 transitions. [2023-11-21 18:51:06,188 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2023-11-21 18:51:06,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:51:06,189 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:06,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:06,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:06,306 INFO L262 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-21 18:51:06,308 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:06,397 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:51:06,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:06,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 27 states and 31 transitions. [2023-11-21 18:51:06,544 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions. [2023-11-21 18:51:06,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:51:06,545 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:06,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:06,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:06,638 INFO L262 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-21 18:51:06,640 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:06,734 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:51:06,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:06,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 28 states and 32 transitions. [2023-11-21 18:51:06,886 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2023-11-21 18:51:06,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:51:06,887 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:06,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:06,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:06,985 INFO L262 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-21 18:51:06,988 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:07,094 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:51:07,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:07,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 29 states and 33 transitions. [2023-11-21 18:51:07,272 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 33 transitions. [2023-11-21 18:51:07,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:51:07,273 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:07,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:07,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:07,373 INFO L262 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-21 18:51:07,375 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:07,484 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:51:07,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:07,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 30 states and 34 transitions. [2023-11-21 18:51:07,639 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 34 transitions. [2023-11-21 18:51:07,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:51:07,644 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:07,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:07,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:07,759 INFO L262 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-21 18:51:07,761 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:07,885 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:51:08,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:08,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 31 states and 35 transitions. [2023-11-21 18:51:08,059 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 35 transitions. [2023-11-21 18:51:08,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:51:08,060 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:08,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:08,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:08,171 INFO L262 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-21 18:51:08,174 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:08,295 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:51:08,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:08,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 32 states and 36 transitions. [2023-11-21 18:51:08,486 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 36 transitions. [2023-11-21 18:51:08,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:51:08,487 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:08,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:08,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:08,587 INFO L262 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-21 18:51:08,589 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:08,691 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:51:08,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:08,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 33 states and 37 transitions. [2023-11-21 18:51:08,869 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 37 transitions. [2023-11-21 18:51:08,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:51:08,872 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:08,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:09,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:09,010 INFO L262 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-21 18:51:09,012 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:09,143 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:51:09,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:09,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 34 states and 38 transitions. [2023-11-21 18:51:09,335 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 38 transitions. [2023-11-21 18:51:09,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:51:09,336 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:09,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:09,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:09,457 INFO L262 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-21 18:51:09,460 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:09,597 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:51:09,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:09,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 35 states and 39 transitions. [2023-11-21 18:51:09,796 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 39 transitions. [2023-11-21 18:51:09,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:51:09,796 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:09,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:09,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:09,968 INFO L262 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-21 18:51:09,970 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:10,091 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:51:10,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:10,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 36 states and 40 transitions. [2023-11-21 18:51:10,249 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 40 transitions. [2023-11-21 18:51:10,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-21 18:51:10,249 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:10,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:10,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:10,354 INFO L262 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-21 18:51:10,356 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:10,457 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:51:10,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:10,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 37 states and 41 transitions. [2023-11-21 18:51:10,617 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 41 transitions. [2023-11-21 18:51:10,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:51:10,618 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:10,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:10,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:10,716 INFO L262 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-21 18:51:10,718 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:10,843 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:51:11,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:11,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 38 states and 42 transitions. [2023-11-21 18:51:11,036 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 42 transitions. [2023-11-21 18:51:11,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:51:11,036 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:11,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:11,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:11,158 INFO L262 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-21 18:51:11,161 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:11,327 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:51:11,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:11,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 39 states and 43 transitions. [2023-11-21 18:51:11,536 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 43 transitions. [2023-11-21 18:51:11,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-21 18:51:11,536 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:11,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:11,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:11,647 INFO L262 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-21 18:51:11,649 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:11,766 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:51:11,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:11,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 40 states and 44 transitions. [2023-11-21 18:51:11,951 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 44 transitions. [2023-11-21 18:51:11,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-21 18:51:11,952 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:11,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:12,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:12,069 INFO L262 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 32 conjunts are in the unsatisfiable core [2023-11-21 18:51:12,072 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:12,206 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:51:12,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:12,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 41 states and 45 transitions. [2023-11-21 18:51:12,422 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 45 transitions. [2023-11-21 18:51:12,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-21 18:51:12,422 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:12,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:12,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:12,551 INFO L262 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 33 conjunts are in the unsatisfiable core [2023-11-21 18:51:12,553 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:12,721 INFO L134 CoverageAnalysis]: Checked inductivity of 497 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:51:12,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:12,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 42 states and 46 transitions. [2023-11-21 18:51:12,927 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 46 transitions. [2023-11-21 18:51:12,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-21 18:51:12,927 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:12,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:13,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:13,066 INFO L262 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 34 conjunts are in the unsatisfiable core [2023-11-21 18:51:13,068 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:13,213 INFO L134 CoverageAnalysis]: Checked inductivity of 529 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:51:13,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:13,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 43 states and 47 transitions. [2023-11-21 18:51:13,435 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 47 transitions. [2023-11-21 18:51:13,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-21 18:51:13,435 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:13,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:13,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:13,569 INFO L262 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-21 18:51:13,571 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:13,739 INFO L134 CoverageAnalysis]: Checked inductivity of 562 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:51:13,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:13,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 44 states and 48 transitions. [2023-11-21 18:51:13,951 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 48 transitions. [2023-11-21 18:51:13,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-21 18:51:13,956 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:13,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:14,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:14,094 INFO L262 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 36 conjunts are in the unsatisfiable core [2023-11-21 18:51:14,097 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:14,252 INFO L134 CoverageAnalysis]: Checked inductivity of 596 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:51:14,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:14,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 45 states and 49 transitions. [2023-11-21 18:51:14,484 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 49 transitions. [2023-11-21 18:51:14,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-21 18:51:14,485 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:14,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:14,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:14,673 INFO L262 TraceCheckSpWp]: Trace formula consists of 375 conjuncts, 37 conjunts are in the unsatisfiable core [2023-11-21 18:51:14,676 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:14,839 INFO L134 CoverageAnalysis]: Checked inductivity of 631 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:51:15,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:15,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 46 states and 50 transitions. [2023-11-21 18:51:15,107 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 50 transitions. [2023-11-21 18:51:15,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-21 18:51:15,108 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:15,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:15,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:15,240 INFO L262 TraceCheckSpWp]: Trace formula consists of 384 conjuncts, 38 conjunts are in the unsatisfiable core [2023-11-21 18:51:15,242 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:15,408 INFO L134 CoverageAnalysis]: Checked inductivity of 667 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:51:15,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:15,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 47 states and 51 transitions. [2023-11-21 18:51:15,686 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 51 transitions. [2023-11-21 18:51:15,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-21 18:51:15,687 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:15,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:15,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:15,820 INFO L262 TraceCheckSpWp]: Trace formula consists of 393 conjuncts, 39 conjunts are in the unsatisfiable core [2023-11-21 18:51:15,822 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:16,002 INFO L134 CoverageAnalysis]: Checked inductivity of 704 backedges. 0 proven. 703 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:51:16,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:16,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 48 states and 52 transitions. [2023-11-21 18:51:16,256 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 52 transitions. [2023-11-21 18:51:16,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-21 18:51:16,256 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:16,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:16,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:16,404 INFO L262 TraceCheckSpWp]: Trace formula consists of 402 conjuncts, 40 conjunts are in the unsatisfiable core [2023-11-21 18:51:16,407 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:16,582 INFO L134 CoverageAnalysis]: Checked inductivity of 742 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:51:16,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:16,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 49 states and 53 transitions. [2023-11-21 18:51:16,810 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 53 transitions. [2023-11-21 18:51:16,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:51:16,810 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:16,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:16,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:16,966 INFO L262 TraceCheckSpWp]: Trace formula consists of 411 conjuncts, 41 conjunts are in the unsatisfiable core [2023-11-21 18:51:16,968 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:17,145 INFO L134 CoverageAnalysis]: Checked inductivity of 781 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:51:17,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:17,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 50 states and 54 transitions. [2023-11-21 18:51:17,368 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 54 transitions. [2023-11-21 18:51:17,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-21 18:51:17,369 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:17,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:17,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:17,525 INFO L262 TraceCheckSpWp]: Trace formula consists of 420 conjuncts, 42 conjunts are in the unsatisfiable core [2023-11-21 18:51:17,528 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:17,695 INFO L134 CoverageAnalysis]: Checked inductivity of 821 backedges. 0 proven. 820 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:51:17,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:17,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 51 states and 55 transitions. [2023-11-21 18:51:17,921 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 55 transitions. [2023-11-21 18:51:17,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-21 18:51:17,922 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:17,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:18,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:18,067 INFO L262 TraceCheckSpWp]: Trace formula consists of 429 conjuncts, 43 conjunts are in the unsatisfiable core [2023-11-21 18:51:18,069 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:18,256 INFO L134 CoverageAnalysis]: Checked inductivity of 862 backedges. 0 proven. 861 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:51:18,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:18,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 52 states and 56 transitions. [2023-11-21 18:51:18,502 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 56 transitions. [2023-11-21 18:51:18,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-21 18:51:18,503 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:18,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:18,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:18,651 INFO L262 TraceCheckSpWp]: Trace formula consists of 438 conjuncts, 44 conjunts are in the unsatisfiable core [2023-11-21 18:51:18,654 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:18,834 INFO L134 CoverageAnalysis]: Checked inductivity of 904 backedges. 0 proven. 903 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:51:19,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:19,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 53 states and 57 transitions. [2023-11-21 18:51:19,051 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 57 transitions. [2023-11-21 18:51:19,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-21 18:51:19,051 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:19,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:19,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:19,192 INFO L262 TraceCheckSpWp]: Trace formula consists of 447 conjuncts, 45 conjunts are in the unsatisfiable core [2023-11-21 18:51:19,195 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:19,357 INFO L134 CoverageAnalysis]: Checked inductivity of 947 backedges. 0 proven. 946 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:51:19,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:19,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 54 states and 58 transitions. [2023-11-21 18:51:19,604 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 58 transitions. [2023-11-21 18:51:19,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-21 18:51:19,604 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:19,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:19,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:19,774 INFO L262 TraceCheckSpWp]: Trace formula consists of 456 conjuncts, 46 conjunts are in the unsatisfiable core [2023-11-21 18:51:19,777 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:20,025 INFO L134 CoverageAnalysis]: Checked inductivity of 991 backedges. 0 proven. 990 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:51:20,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:20,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 55 states and 59 transitions. [2023-11-21 18:51:20,284 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 59 transitions. [2023-11-21 18:51:20,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-21 18:51:20,284 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:20,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:20,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:20,447 INFO L262 TraceCheckSpWp]: Trace formula consists of 465 conjuncts, 47 conjunts are in the unsatisfiable core [2023-11-21 18:51:20,450 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:20,640 INFO L134 CoverageAnalysis]: Checked inductivity of 1036 backedges. 0 proven. 1035 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:51:20,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:20,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 56 states and 60 transitions. [2023-11-21 18:51:20,906 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 60 transitions. [2023-11-21 18:51:20,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-21 18:51:20,906 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:20,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:21,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:21,109 INFO L262 TraceCheckSpWp]: Trace formula consists of 474 conjuncts, 48 conjunts are in the unsatisfiable core [2023-11-21 18:51:21,113 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:21,357 INFO L134 CoverageAnalysis]: Checked inductivity of 1082 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:51:21,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:21,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 57 states and 61 transitions. [2023-11-21 18:51:21,651 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 61 transitions. [2023-11-21 18:51:21,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-21 18:51:21,652 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:21,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:21,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:21,855 INFO L262 TraceCheckSpWp]: Trace formula consists of 483 conjuncts, 49 conjunts are in the unsatisfiable core [2023-11-21 18:51:21,865 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:22,105 INFO L134 CoverageAnalysis]: Checked inductivity of 1129 backedges. 0 proven. 1128 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:51:22,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:22,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 58 states and 62 transitions. [2023-11-21 18:51:22,391 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 62 transitions. [2023-11-21 18:51:22,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-21 18:51:22,391 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:22,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:22,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:22,579 INFO L262 TraceCheckSpWp]: Trace formula consists of 492 conjuncts, 50 conjunts are in the unsatisfiable core [2023-11-21 18:51:22,583 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:22,792 INFO L134 CoverageAnalysis]: Checked inductivity of 1177 backedges. 0 proven. 1176 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:51:23,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:23,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 59 states and 63 transitions. [2023-11-21 18:51:23,081 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 63 transitions. [2023-11-21 18:51:23,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-21 18:51:23,082 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:23,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:23,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:23,313 INFO L262 TraceCheckSpWp]: Trace formula consists of 501 conjuncts, 51 conjunts are in the unsatisfiable core [2023-11-21 18:51:23,317 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:23,564 INFO L134 CoverageAnalysis]: Checked inductivity of 1226 backedges. 0 proven. 1225 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:51:23,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:23,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 60 states and 64 transitions. [2023-11-21 18:51:23,839 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 64 transitions. [2023-11-21 18:51:23,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-21 18:51:23,840 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:23,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:24,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:24,022 INFO L262 TraceCheckSpWp]: Trace formula consists of 510 conjuncts, 52 conjunts are in the unsatisfiable core [2023-11-21 18:51:24,024 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:24,243 INFO L134 CoverageAnalysis]: Checked inductivity of 1276 backedges. 0 proven. 1275 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:51:24,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:24,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 61 states and 65 transitions. [2023-11-21 18:51:24,498 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 65 transitions. [2023-11-21 18:51:24,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-21 18:51:24,499 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:24,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:24,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:24,670 INFO L262 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 53 conjunts are in the unsatisfiable core [2023-11-21 18:51:24,686 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:24,963 INFO L134 CoverageAnalysis]: Checked inductivity of 1327 backedges. 0 proven. 1326 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:51:25,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:25,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 62 states and 66 transitions. [2023-11-21 18:51:25,268 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 66 transitions. [2023-11-21 18:51:25,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-21 18:51:25,269 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:25,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:25,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:25,450 INFO L262 TraceCheckSpWp]: Trace formula consists of 528 conjuncts, 54 conjunts are in the unsatisfiable core [2023-11-21 18:51:25,453 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:25,717 INFO L134 CoverageAnalysis]: Checked inductivity of 1379 backedges. 0 proven. 1378 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:51:26,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:26,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 63 states and 67 transitions. [2023-11-21 18:51:26,060 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 67 transitions. [2023-11-21 18:51:26,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-21 18:51:26,061 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:26,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:26,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:26,252 INFO L262 TraceCheckSpWp]: Trace formula consists of 537 conjuncts, 55 conjunts are in the unsatisfiable core [2023-11-21 18:51:26,255 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:26,522 INFO L134 CoverageAnalysis]: Checked inductivity of 1432 backedges. 0 proven. 1431 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:51:26,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:26,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 64 states and 68 transitions. [2023-11-21 18:51:26,851 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 68 transitions. [2023-11-21 18:51:26,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-21 18:51:26,851 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:26,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:27,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:27,064 INFO L262 TraceCheckSpWp]: Trace formula consists of 546 conjuncts, 56 conjunts are in the unsatisfiable core [2023-11-21 18:51:27,067 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:27,328 INFO L134 CoverageAnalysis]: Checked inductivity of 1486 backedges. 0 proven. 1485 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:51:27,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:27,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 65 states and 69 transitions. [2023-11-21 18:51:27,659 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 69 transitions. [2023-11-21 18:51:27,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-21 18:51:27,660 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:27,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:27,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:27,893 INFO L262 TraceCheckSpWp]: Trace formula consists of 555 conjuncts, 57 conjunts are in the unsatisfiable core [2023-11-21 18:51:27,897 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:28,223 INFO L134 CoverageAnalysis]: Checked inductivity of 1541 backedges. 0 proven. 1540 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:51:28,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:28,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 66 states and 70 transitions. [2023-11-21 18:51:28,558 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 70 transitions. [2023-11-21 18:51:28,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-21 18:51:28,559 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:28,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:28,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:28,760 INFO L262 TraceCheckSpWp]: Trace formula consists of 564 conjuncts, 58 conjunts are in the unsatisfiable core [2023-11-21 18:51:28,763 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:29,051 INFO L134 CoverageAnalysis]: Checked inductivity of 1597 backedges. 0 proven. 1596 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:51:29,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:29,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 67 states and 71 transitions. [2023-11-21 18:51:29,470 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 71 transitions. [2023-11-21 18:51:29,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-21 18:51:29,470 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:29,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:29,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:29,660 INFO L262 TraceCheckSpWp]: Trace formula consists of 573 conjuncts, 59 conjunts are in the unsatisfiable core [2023-11-21 18:51:29,664 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:29,858 INFO L134 CoverageAnalysis]: Checked inductivity of 1654 backedges. 0 proven. 1653 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:51:30,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:30,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 68 states and 72 transitions. [2023-11-21 18:51:30,133 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 72 transitions. [2023-11-21 18:51:30,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-21 18:51:30,134 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:30,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:30,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:30,338 INFO L262 TraceCheckSpWp]: Trace formula consists of 582 conjuncts, 60 conjunts are in the unsatisfiable core [2023-11-21 18:51:30,340 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:30,569 INFO L134 CoverageAnalysis]: Checked inductivity of 1712 backedges. 0 proven. 1711 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:51:30,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:30,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 69 states and 73 transitions. [2023-11-21 18:51:30,911 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 73 transitions. [2023-11-21 18:51:30,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-21 18:51:30,911 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:30,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:31,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:31,094 INFO L262 TraceCheckSpWp]: Trace formula consists of 591 conjuncts, 61 conjunts are in the unsatisfiable core [2023-11-21 18:51:31,097 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:31,336 INFO L134 CoverageAnalysis]: Checked inductivity of 1771 backedges. 0 proven. 1770 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:51:31,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:31,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 70 states and 74 transitions. [2023-11-21 18:51:31,680 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 74 transitions. [2023-11-21 18:51:31,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-21 18:51:31,680 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:31,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:31,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:31,888 INFO L262 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 62 conjunts are in the unsatisfiable core [2023-11-21 18:51:31,892 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:32,185 INFO L134 CoverageAnalysis]: Checked inductivity of 1831 backedges. 0 proven. 1830 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:51:32,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:32,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 71 states and 75 transitions. [2023-11-21 18:51:32,633 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 75 transitions. [2023-11-21 18:51:32,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-21 18:51:32,634 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:32,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:32,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:32,848 INFO L262 TraceCheckSpWp]: Trace formula consists of 609 conjuncts, 63 conjunts are in the unsatisfiable core [2023-11-21 18:51:32,851 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:33,103 INFO L134 CoverageAnalysis]: Checked inductivity of 1892 backedges. 0 proven. 1891 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:51:33,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:33,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 72 states and 76 transitions. [2023-11-21 18:51:33,473 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 76 transitions. [2023-11-21 18:51:33,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-21 18:51:33,474 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:33,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:33,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:33,724 INFO L262 TraceCheckSpWp]: Trace formula consists of 618 conjuncts, 64 conjunts are in the unsatisfiable core [2023-11-21 18:51:33,728 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:34,038 INFO L134 CoverageAnalysis]: Checked inductivity of 1954 backedges. 0 proven. 1953 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:51:34,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:34,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 73 states and 77 transitions. [2023-11-21 18:51:34,440 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 77 transitions. [2023-11-21 18:51:34,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-11-21 18:51:34,441 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:34,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:34,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:34,700 INFO L262 TraceCheckSpWp]: Trace formula consists of 627 conjuncts, 65 conjunts are in the unsatisfiable core [2023-11-21 18:51:34,704 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:35,085 INFO L134 CoverageAnalysis]: Checked inductivity of 2017 backedges. 0 proven. 2016 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:51:35,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:35,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 74 states and 78 transitions. [2023-11-21 18:51:35,498 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 78 transitions. [2023-11-21 18:51:35,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-21 18:51:35,499 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:35,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:35,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:35,775 INFO L262 TraceCheckSpWp]: Trace formula consists of 636 conjuncts, 66 conjunts are in the unsatisfiable core [2023-11-21 18:51:35,778 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:36,117 INFO L134 CoverageAnalysis]: Checked inductivity of 2081 backedges. 0 proven. 2080 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:51:36,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:36,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 75 states and 79 transitions. [2023-11-21 18:51:36,610 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 79 transitions. [2023-11-21 18:51:36,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-21 18:51:36,611 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:36,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:36,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:36,894 INFO L262 TraceCheckSpWp]: Trace formula consists of 645 conjuncts, 67 conjunts are in the unsatisfiable core [2023-11-21 18:51:36,898 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:37,232 INFO L134 CoverageAnalysis]: Checked inductivity of 2146 backedges. 0 proven. 2145 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:51:37,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:37,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 76 states and 80 transitions. [2023-11-21 18:51:37,713 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 80 transitions. [2023-11-21 18:51:37,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-21 18:51:37,714 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:37,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:37,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:37,959 INFO L262 TraceCheckSpWp]: Trace formula consists of 654 conjuncts, 68 conjunts are in the unsatisfiable core [2023-11-21 18:51:37,963 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:38,241 INFO L134 CoverageAnalysis]: Checked inductivity of 2212 backedges. 0 proven. 2211 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:51:38,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:38,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 77 states and 81 transitions. [2023-11-21 18:51:38,615 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 81 transitions. [2023-11-21 18:51:38,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-21 18:51:38,616 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:38,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:38,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:38,858 INFO L262 TraceCheckSpWp]: Trace formula consists of 663 conjuncts, 69 conjunts are in the unsatisfiable core [2023-11-21 18:51:38,862 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:39,196 INFO L134 CoverageAnalysis]: Checked inductivity of 2279 backedges. 0 proven. 2278 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:51:39,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:39,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 78 states and 82 transitions. [2023-11-21 18:51:39,597 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 82 transitions. [2023-11-21 18:51:39,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-21 18:51:39,598 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:39,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:39,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:39,839 INFO L262 TraceCheckSpWp]: Trace formula consists of 672 conjuncts, 70 conjunts are in the unsatisfiable core [2023-11-21 18:51:39,842 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:40,135 INFO L134 CoverageAnalysis]: Checked inductivity of 2347 backedges. 0 proven. 2346 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:51:40,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:40,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 79 states and 83 transitions. [2023-11-21 18:51:40,538 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 83 transitions. [2023-11-21 18:51:40,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-21 18:51:40,539 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:40,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:40,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:40,798 INFO L262 TraceCheckSpWp]: Trace formula consists of 681 conjuncts, 71 conjunts are in the unsatisfiable core [2023-11-21 18:51:40,802 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:41,148 INFO L134 CoverageAnalysis]: Checked inductivity of 2416 backedges. 0 proven. 2415 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:51:41,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:41,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 80 states and 84 transitions. [2023-11-21 18:51:41,632 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 84 transitions. [2023-11-21 18:51:41,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-11-21 18:51:41,633 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:41,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:41,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:41,889 INFO L262 TraceCheckSpWp]: Trace formula consists of 690 conjuncts, 72 conjunts are in the unsatisfiable core [2023-11-21 18:51:41,893 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:42,238 INFO L134 CoverageAnalysis]: Checked inductivity of 2486 backedges. 0 proven. 2485 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.