./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_267a0e70-5588-4965-9162-fa608e4e9d2b/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_267a0e70-5588-4965-9162-fa608e4e9d2b/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_267a0e70-5588-4965-9162-fa608e4e9d2b/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_267a0e70-5588-4965-9162-fa608e4e9d2b/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_267a0e70-5588-4965-9162-fa608e4e9d2b/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_267a0e70-5588-4965-9162-fa608e4e9d2b/bin/ukojak-verify-G8NBE6pJGL --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 4f0dc25e497896e48962fc4f59a3ea4856b5eb0408b9845e68b04a0b0a132067 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:05:42,325 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:05:42,467 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_267a0e70-5588-4965-9162-fa608e4e9d2b/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:05:42,478 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:05:42,480 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:05:42,522 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:05:42,524 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:05:42,524 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:05:42,526 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:05:42,531 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:05:42,532 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:05:42,532 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:05:42,533 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:05:42,535 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:05:42,535 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:05:42,536 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:05:42,536 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:05:42,537 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:05:42,537 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:05:42,538 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:05:42,538 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:05:42,539 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:05:42,539 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:05:42,540 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:05:42,540 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:05:42,541 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:05:42,542 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:05:42,542 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:05:42,543 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:05:42,543 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:05:42,545 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:05:42,545 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:05:42,545 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:05:42,546 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_267a0e70-5588-4965-9162-fa608e4e9d2b/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_267a0e70-5588-4965-9162-fa608e4e9d2b/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4f0dc25e497896e48962fc4f59a3ea4856b5eb0408b9845e68b04a0b0a132067 [2023-11-19 03:05:42,833 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:05:42,870 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:05:42,873 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:05:42,874 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:05:42,875 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:05:42,876 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_267a0e70-5588-4965-9162-fa608e4e9d2b/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound100.c [2023-11-19 03:05:46,212 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:05:46,464 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:05:46,466 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_267a0e70-5588-4965-9162-fa608e4e9d2b/sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound100.c [2023-11-19 03:05:46,478 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_267a0e70-5588-4965-9162-fa608e4e9d2b/bin/ukojak-verify-G8NBE6pJGL/data/72fd5e63d/dd06d3b7f3bb41e59f3329e4d6d0b8dd/FLAGb92aedc13 [2023-11-19 03:05:46,498 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_267a0e70-5588-4965-9162-fa608e4e9d2b/bin/ukojak-verify-G8NBE6pJGL/data/72fd5e63d/dd06d3b7f3bb41e59f3329e4d6d0b8dd [2023-11-19 03:05:46,505 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:05:46,508 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:05:46,512 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:05:46,513 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:05:46,518 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:05:46,519 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:05:46" (1/1) ... [2023-11-19 03:05:46,522 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@753e4594 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:46, skipping insertion in model container [2023-11-19 03:05:46,522 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:05:46" (1/1) ... [2023-11-19 03:05:46,553 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:05:46,766 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_267a0e70-5588-4965-9162-fa608e4e9d2b/sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound100.c[573,586] [2023-11-19 03:05:46,788 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:05:46,801 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:05:46,819 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_267a0e70-5588-4965-9162-fa608e4e9d2b/sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound100.c[573,586] [2023-11-19 03:05:46,831 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:05:46,848 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:05:46,849 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:46 WrapperNode [2023-11-19 03:05:46,849 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:05:46,851 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:05:46,851 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:05:46,851 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:05:46,860 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:46" (1/1) ... [2023-11-19 03:05:46,871 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:46" (1/1) ... [2023-11-19 03:05:46,893 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 43 [2023-11-19 03:05:46,893 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:05:46,894 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:05:46,895 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:05:46,895 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:05:46,906 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:46" (1/1) ... [2023-11-19 03:05:46,907 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:46" (1/1) ... [2023-11-19 03:05:46,919 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:46" (1/1) ... [2023-11-19 03:05:46,920 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:46" (1/1) ... [2023-11-19 03:05:46,923 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:46" (1/1) ... [2023-11-19 03:05:46,932 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:46" (1/1) ... [2023-11-19 03:05:46,935 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:46" (1/1) ... [2023-11-19 03:05:46,937 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:46" (1/1) ... [2023-11-19 03:05:46,941 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:05:46,967 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:05:46,967 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:05:46,967 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:05:46,968 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:46" (1/1) ... [2023-11-19 03:05:46,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:05:46,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_267a0e70-5588-4965-9162-fa608e4e9d2b/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:05:47,011 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_267a0e70-5588-4965-9162-fa608e4e9d2b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:05:47,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_267a0e70-5588-4965-9162-fa608e4e9d2b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:05:47,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:05:47,063 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:05:47,064 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:05:47,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:05:47,065 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:05:47,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:05:47,066 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:05:47,067 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:05:47,165 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:05:47,168 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:05:47,351 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:05:47,396 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:05:47,401 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:05:47,409 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:05:47 BoogieIcfgContainer [2023-11-19 03:05:47,409 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:05:47,410 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:05:47,411 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:05:47,421 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:05:47,422 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:05:47" (1/1) ... [2023-11-19 03:05:47,432 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:05:47,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:47,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2023-11-19 03:05:47,503 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2023-11-19 03:05:47,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:05:47,509 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:47,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:47,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:47,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:47,783 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:05:47,789 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:05:47,825 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:05:47,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:47,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 18 states and 20 transitions. [2023-11-19 03:05:47,878 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2023-11-19 03:05:47,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:05:47,879 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:47,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:47,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:47,937 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 03:05:47,940 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:05:48,058 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:05:48,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:48,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 22 states and 28 transitions. [2023-11-19 03:05:48,167 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 28 transitions. [2023-11-19 03:05:48,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:05:48,170 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:48,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:48,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:48,241 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:05:48,245 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:05:48,354 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:05:48,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:48,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 24 states and 32 transitions. [2023-11-19 03:05:48,433 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 32 transitions. [2023-11-19 03:05:48,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:05:48,435 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:48,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:48,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:48,515 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 03:05:48,519 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:05:48,858 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:05:49,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:49,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 26 states and 36 transitions. [2023-11-19 03:05:49,045 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 36 transitions. [2023-11-19 03:05:49,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 03:05:49,047 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:49,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:49,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:49,083 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 03:05:49,086 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:05:49,192 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-19 03:05:49,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:49,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 28 states and 40 transitions. [2023-11-19 03:05:49,530 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 40 transitions. [2023-11-19 03:05:49,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 03:05:49,531 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:49,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:49,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:49,568 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:05:49,570 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:05:50,050 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:05:50,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:50,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 31 states and 46 transitions. [2023-11-19 03:05:50,724 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 46 transitions. [2023-11-19 03:05:50,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 03:05:50,726 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:50,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:50,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:50,787 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 03:05:50,793 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:05:51,775 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 6 proven. 15 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-19 03:05:52,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:52,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 34 states and 52 transitions. [2023-11-19 03:05:52,833 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 52 transitions. [2023-11-19 03:05:52,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 03:05:52,834 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:52,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:52,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:52,907 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-19 03:05:52,920 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:05:54,926 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 7 proven. 36 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-19 03:05:57,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:57,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 50 states and 79 transitions. [2023-11-19 03:05:57,945 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 79 transitions. [2023-11-19 03:05:57,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 03:05:57,947 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:57,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:58,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:58,015 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-19 03:05:58,018 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:06:00,124 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 10 proven. 40 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-19 03:06:02,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:02,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 53 states and 86 transitions. [2023-11-19 03:06:02,333 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 86 transitions. [2023-11-19 03:06:02,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 03:06:02,341 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:02,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:02,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:02,409 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 03:06:02,412 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:06:04,858 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 11 proven. 73 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-11-19 03:06:07,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:07,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 56 states and 92 transitions. [2023-11-19 03:06:07,639 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 92 transitions. [2023-11-19 03:06:07,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-19 03:06:07,641 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:07,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:07,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:07,746 INFO L262 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-19 03:06:07,749 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:06:10,734 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 14 proven. 77 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2023-11-19 03:06:14,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:14,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 59 states and 98 transitions. [2023-11-19 03:06:14,625 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 98 transitions. [2023-11-19 03:06:14,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-19 03:06:14,627 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:14,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:14,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:14,738 INFO L262 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 03:06:14,741 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:06:20,075 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 17 proven. 100 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2023-11-19 03:06:29,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:29,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 86 states and 145 transitions. [2023-11-19 03:06:29,096 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 145 transitions. [2023-11-19 03:06:29,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-19 03:06:29,105 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:29,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:29,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:29,278 INFO L262 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-19 03:06:29,280 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:06:33,106 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 15 proven. 122 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2023-11-19 03:06:39,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:39,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 89 states and 150 transitions. [2023-11-19 03:06:39,257 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 150 transitions. [2023-11-19 03:06:39,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-19 03:06:39,259 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:39,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:39,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:39,383 INFO L262 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 03:06:39,386 INFO L285 TraceCheckSpWp]: Computing forward predicates...