./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench/ps4-ll.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffccfc3f-e95f-4059-aa29-99dfee7614f5/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffccfc3f-e95f-4059-aa29-99dfee7614f5/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffccfc3f-e95f-4059-aa29-99dfee7614f5/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffccfc3f-e95f-4059-aa29-99dfee7614f5/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/ps4-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffccfc3f-e95f-4059-aa29-99dfee7614f5/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffccfc3f-e95f-4059-aa29-99dfee7614f5/bin/ukojak-verify-afCqCEvfdi --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 ef01badb7f90b6597aa83d48583be40b7afc9a4c054f915d626bd89be70c7009 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:54:50,040 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:54:50,105 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffccfc3f-e95f-4059-aa29-99dfee7614f5/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:54:50,111 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:54:50,111 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:54:50,136 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:54:50,137 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:54:50,137 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:54:50,138 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:54:50,139 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:54:50,140 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:54:50,140 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:54:50,141 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:54:50,142 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:54:50,142 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:54:50,143 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:54:50,144 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:54:50,144 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:54:50,145 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:54:50,146 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:54:50,146 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:54:50,147 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:54:50,148 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:54:50,148 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:54:50,149 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:54:50,150 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:54:50,150 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:54:50,151 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:54:50,152 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:54:50,152 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:54:50,153 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:54:50,153 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:54:50,154 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:54:50,155 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_ffccfc3f-e95f-4059-aa29-99dfee7614f5/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffccfc3f-e95f-4059-aa29-99dfee7614f5/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ef01badb7f90b6597aa83d48583be40b7afc9a4c054f915d626bd89be70c7009 [2023-11-24 22:54:50,416 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:54:50,446 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:54:50,449 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:54:50,451 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:54:50,451 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:54:50,453 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffccfc3f-e95f-4059-aa29-99dfee7614f5/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/nla-digbench/ps4-ll.c [2023-11-24 22:54:53,470 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:54:53,679 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:54:53,679 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffccfc3f-e95f-4059-aa29-99dfee7614f5/sv-benchmarks/c/nla-digbench/ps4-ll.c [2023-11-24 22:54:53,693 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffccfc3f-e95f-4059-aa29-99dfee7614f5/bin/ukojak-verify-afCqCEvfdi/data/44cd79474/1acc204d2fca46f596ef8e08410e8350/FLAG200e21f09 [2023-11-24 22:54:53,709 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffccfc3f-e95f-4059-aa29-99dfee7614f5/bin/ukojak-verify-afCqCEvfdi/data/44cd79474/1acc204d2fca46f596ef8e08410e8350 [2023-11-24 22:54:53,712 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:54:53,714 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:54:53,715 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:54:53,716 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:54:53,721 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:54:53,721 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:54:53" (1/1) ... [2023-11-24 22:54:53,723 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4230e300 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:53, skipping insertion in model container [2023-11-24 22:54:53,723 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:54:53" (1/1) ... [2023-11-24 22:54:53,745 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:54:53,896 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_ffccfc3f-e95f-4059-aa29-99dfee7614f5/sv-benchmarks/c/nla-digbench/ps4-ll.c[458,471] [2023-11-24 22:54:53,912 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:54:53,922 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:54:53,932 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_ffccfc3f-e95f-4059-aa29-99dfee7614f5/sv-benchmarks/c/nla-digbench/ps4-ll.c[458,471] [2023-11-24 22:54:53,939 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:54:53,953 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:54:53,954 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:53 WrapperNode [2023-11-24 22:54:53,954 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:54:53,956 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:54:53,956 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:54:53,956 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:54:53,964 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:53" (1/1) ... [2023-11-24 22:54:53,972 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:53" (1/1) ... [2023-11-24 22:54:53,992 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 34 [2023-11-24 22:54:53,993 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:54:53,993 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:54:53,993 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:54:53,994 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:54:54,002 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:53" (1/1) ... [2023-11-24 22:54:54,003 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:53" (1/1) ... [2023-11-24 22:54:54,004 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:53" (1/1) ... [2023-11-24 22:54:54,004 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:53" (1/1) ... [2023-11-24 22:54:54,015 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:53" (1/1) ... [2023-11-24 22:54:54,018 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:53" (1/1) ... [2023-11-24 22:54:54,019 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:53" (1/1) ... [2023-11-24 22:54:54,020 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:53" (1/1) ... [2023-11-24 22:54:54,021 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:54:54,022 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:54:54,023 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:54:54,023 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:54:54,024 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:53" (1/1) ... [2023-11-24 22:54:54,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:54:54,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffccfc3f-e95f-4059-aa29-99dfee7614f5/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:54:54,063 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffccfc3f-e95f-4059-aa29-99dfee7614f5/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:54:54,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffccfc3f-e95f-4059-aa29-99dfee7614f5/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:54:54,109 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:54:54,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:54:54,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:54:54,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:54:54,110 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 22:54:54,110 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 22:54:54,182 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:54:54,184 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:54:54,315 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:54:54,341 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:54:54,341 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 22:54:54,343 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:54:54 BoogieIcfgContainer [2023-11-24 22:54:54,343 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:54:54,344 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:54:54,344 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:54:54,355 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:54:54,355 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:54:54" (1/1) ... [2023-11-24 22:54:54,363 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:54:54,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:54,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2023-11-24 22:54:54,416 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2023-11-24 22:54:54,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:54:54,420 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:54,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:54,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:54,529 INFO L262 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-24 22:54:54,535 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:54,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:54,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:54,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 18 states and 25 transitions. [2023-11-24 22:54:54,777 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 25 transitions. [2023-11-24 22:54:54,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:54:54,781 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:54,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:54,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:54,836 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 22:54:54,839 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:54,917 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:55,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:55,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2023-11-24 22:54:55,008 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2023-11-24 22:54:55,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 22:54:55,009 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:55,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:55,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:55,065 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-24 22:54:55,073 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:55,188 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:55,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:55,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 23 states and 35 transitions. [2023-11-24 22:54:55,597 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 35 transitions. [2023-11-24 22:54:55,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 22:54:55,598 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:55,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:55,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:55,627 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:54:55,630 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:55,758 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:54:56,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:56,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 27 states and 44 transitions. [2023-11-24 22:54:56,010 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 44 transitions. [2023-11-24 22:54:56,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:54:56,012 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:56,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:56,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:56,064 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-24 22:54:56,070 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:56,221 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:54:56,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:56,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 34 states and 61 transitions. [2023-11-24 22:54:56,787 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 61 transitions. [2023-11-24 22:54:56,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:54:56,788 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:56,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:56,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:56,835 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-24 22:54:56,838 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:56,943 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:54:57,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:57,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 37 states and 67 transitions. [2023-11-24 22:54:57,246 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 67 transitions. [2023-11-24 22:54:57,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 22:54:57,248 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:57,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:57,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:57,298 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:54:57,300 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:57,348 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-24 22:54:57,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:57,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 38 states and 69 transitions. [2023-11-24 22:54:57,522 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 69 transitions. [2023-11-24 22:54:57,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-24 22:54:57,524 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:57,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:57,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:57,571 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-24 22:54:57,574 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:57,766 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 5 proven. 16 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:54:58,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:58,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 45 states and 84 transitions. [2023-11-24 22:54:58,548 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 84 transitions. [2023-11-24 22:54:58,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-24 22:54:58,551 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:58,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:58,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:58,598 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-24 22:54:58,602 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:58,725 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 5 proven. 22 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:54:59,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:59,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 48 states and 90 transitions. [2023-11-24 22:54:59,089 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 90 transitions. [2023-11-24 22:54:59,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 22:54:59,091 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:59,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:59,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:59,140 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:54:59,151 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:59,191 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-24 22:54:59,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:59,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 49 states and 92 transitions. [2023-11-24 22:54:59,437 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 92 transitions. [2023-11-24 22:54:59,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-24 22:54:59,439 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:59,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:59,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:59,472 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-24 22:54:59,474 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:59,696 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 13 proven. 22 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-24 22:55:00,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:00,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 56 states and 107 transitions. [2023-11-24 22:55:00,646 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 107 transitions. [2023-11-24 22:55:00,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-24 22:55:00,647 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:00,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:00,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:00,717 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-24 22:55:00,719 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:00,866 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 13 proven. 30 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-24 22:55:01,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:01,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 59 states and 113 transitions. [2023-11-24 22:55:01,297 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 113 transitions. [2023-11-24 22:55:01,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-24 22:55:01,299 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:01,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:01,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:01,330 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:55:01,332 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:01,366 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 21 proven. 4 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2023-11-24 22:55:01,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:01,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 60 states and 115 transitions. [2023-11-24 22:55:01,624 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 115 transitions. [2023-11-24 22:55:01,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-24 22:55:01,625 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:01,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:01,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:01,667 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 32 conjunts are in the unsatisfiable core [2023-11-24 22:55:01,669 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:01,975 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 12 proven. 40 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-24 22:55:03,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:03,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 67 states and 130 transitions. [2023-11-24 22:55:03,220 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 130 transitions. [2023-11-24 22:55:03,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-24 22:55:03,222 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:03,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:03,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:03,351 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-24 22:55:03,354 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:03,535 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 12 proven. 50 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-24 22:55:04,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:04,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 70 states and 136 transitions. [2023-11-24 22:55:04,046 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 136 transitions. [2023-11-24 22:55:04,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-24 22:55:04,047 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:04,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:04,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:04,095 INFO L262 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:55:04,097 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:04,132 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 27 proven. 4 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2023-11-24 22:55:04,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:04,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 71 states and 138 transitions. [2023-11-24 22:55:04,450 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 138 transitions. [2023-11-24 22:55:04,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-24 22:55:04,451 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:04,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:04,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:04,500 INFO L262 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 36 conjunts are in the unsatisfiable core [2023-11-24 22:55:04,505 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:04,842 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 23 proven. 49 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-11-24 22:55:06,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:06,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 78 states and 153 transitions. [2023-11-24 22:55:06,267 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 153 transitions. [2023-11-24 22:55:06,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-24 22:55:06,269 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:06,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:07,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:07,522 INFO L262 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 39 conjunts are in the unsatisfiable core [2023-11-24 22:55:07,524 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:07,699 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 23 proven. 61 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-11-24 22:55:08,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:08,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 81 states and 159 transitions. [2023-11-24 22:55:08,257 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 159 transitions. [2023-11-24 22:55:08,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-24 22:55:08,258 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:08,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:08,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:08,300 INFO L262 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:55:08,302 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:08,339 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 33 proven. 4 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2023-11-24 22:55:08,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:08,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 82 states and 161 transitions. [2023-11-24 22:55:08,677 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 161 transitions. [2023-11-24 22:55:08,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-24 22:55:08,678 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:08,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:08,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:08,727 INFO L262 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 40 conjunts are in the unsatisfiable core [2023-11-24 22:55:08,729 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:09,101 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 19 proven. 76 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-11-24 22:55:10,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:10,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 89 states and 176 transitions. [2023-11-24 22:55:10,677 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 176 transitions. [2023-11-24 22:55:10,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-24 22:55:10,679 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:10,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:15,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:15,156 INFO L262 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 48 conjunts are in the unsatisfiable core [2023-11-24 22:55:15,158 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:15,588 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 35 proven. 92 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-11-24 22:55:16,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:16,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 92 states and 182 transitions. [2023-11-24 22:55:16,440 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 182 transitions. [2023-11-24 22:55:16,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-24 22:55:16,441 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:16,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:16,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:16,478 INFO L262 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:55:16,480 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:16,509 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 39 proven. 4 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2023-11-24 22:55:16,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:16,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 93 states and 184 transitions. [2023-11-24 22:55:16,865 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 184 transitions. [2023-11-24 22:55:16,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-24 22:55:16,866 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:16,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:16,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:16,918 INFO L262 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 44 conjunts are in the unsatisfiable core [2023-11-24 22:55:16,920 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:17,373 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 33 proven. 88 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2023-11-24 22:55:19,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:19,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 100 states and 199 transitions. [2023-11-24 22:55:19,208 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 199 transitions. [2023-11-24 22:55:19,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-24 22:55:19,209 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:19,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:23,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:23,953 INFO L262 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 42 conjunts are in the unsatisfiable core [2023-11-24 22:55:23,956 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:24,438 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 41 proven. 111 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2023-11-24 22:55:25,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:25,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 103 states and 205 transitions. [2023-11-24 22:55:25,491 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 205 transitions. [2023-11-24 22:55:25,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-24 22:55:25,492 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:25,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:25,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:25,533 INFO L262 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:55:25,534 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:25,572 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 45 proven. 4 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2023-11-24 22:55:25,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:25,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 104 states and 207 transitions. [2023-11-24 22:55:25,993 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 207 transitions. [2023-11-24 22:55:25,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-24 22:55:25,995 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:25,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:26,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:26,058 INFO L262 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 48 conjunts are in the unsatisfiable core [2023-11-24 22:55:26,060 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:26,527 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 26 proven. 124 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2023-11-24 22:55:28,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:28,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 111 states and 222 transitions. [2023-11-24 22:55:28,651 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 222 transitions. [2023-11-24 22:55:28,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-24 22:55:28,652 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:28,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:33,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:33,907 INFO L262 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 53 conjunts are in the unsatisfiable core [2023-11-24 22:55:33,909 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:34,157 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 54 proven. 144 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2023-11-24 22:55:35,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:35,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 114 states and 228 transitions. [2023-11-24 22:55:35,017 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 228 transitions. [2023-11-24 22:55:35,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-24 22:55:35,018 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:35,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:35,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:35,061 INFO L262 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:55:35,063 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:35,090 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 51 proven. 4 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2023-11-24 22:55:35,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:35,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 115 states and 230 transitions. [2023-11-24 22:55:35,570 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 230 transitions. [2023-11-24 22:55:35,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-24 22:55:35,571 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:35,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:35,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:35,643 INFO L262 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 52 conjunts are in the unsatisfiable core [2023-11-24 22:55:35,645 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:36,162 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 43 proven. 139 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2023-11-24 22:55:38,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:38,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 122 states and 245 transitions. [2023-11-24 22:55:38,564 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 245 transitions. [2023-11-24 22:55:38,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-24 22:55:38,567 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:38,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:47,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:47,165 INFO L262 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 51 conjunts are in the unsatisfiable core [2023-11-24 22:55:47,167 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:48,048 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 80 proven. 158 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2023-11-24 22:55:49,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:49,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 125 states and 251 transitions. [2023-11-24 22:55:49,656 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 251 transitions. [2023-11-24 22:55:49,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-24 22:55:49,657 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:49,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:49,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:49,706 INFO L262 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:55:49,708 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:49,745 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 57 proven. 4 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2023-11-24 22:55:50,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:50,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 126 states and 253 transitions. [2023-11-24 22:55:50,291 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 253 transitions. [2023-11-24 22:55:50,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-11-24 22:55:50,294 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:50,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:50,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:50,366 INFO L262 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 56 conjunts are in the unsatisfiable core [2023-11-24 22:55:50,369 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:50,995 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 33 proven. 184 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked.