./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dafe4a55-584a-4c7b-8ccf-60b0d2a53607/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dafe4a55-584a-4c7b-8ccf-60b0d2a53607/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_dafe4a55-584a-4c7b-8ccf-60b0d2a53607/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dafe4a55-584a-4c7b-8ccf-60b0d2a53607/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dafe4a55-584a-4c7b-8ccf-60b0d2a53607/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_dafe4a55-584a-4c7b-8ccf-60b0d2a53607/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 2e94830d11d546a3c5eb98e6802b079c63f07b0a4b705dd9e7cd9e09e0492555 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:28:41,235 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:28:41,353 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dafe4a55-584a-4c7b-8ccf-60b0d2a53607/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:28:41,360 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:28:41,361 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:28:41,397 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:28:41,399 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:28:41,400 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:28:41,401 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:28:41,405 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:28:41,407 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:28:41,407 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:28:41,408 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:28:41,409 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:28:41,410 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:28:41,410 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:28:41,411 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:28:41,411 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:28:41,412 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:28:41,412 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:28:41,413 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:28:41,413 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:28:41,414 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:28:41,414 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:28:41,415 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:28:41,416 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:28:41,416 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:28:41,417 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:28:41,417 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:28:41,418 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:28:41,419 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:28:41,419 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:28:41,420 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:28:41,421 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_dafe4a55-584a-4c7b-8ccf-60b0d2a53607/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dafe4a55-584a-4c7b-8ccf-60b0d2a53607/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2e94830d11d546a3c5eb98e6802b079c63f07b0a4b705dd9e7cd9e09e0492555 [2023-11-19 03:28:41,739 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:28:41,772 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:28:41,775 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:28:41,776 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:28:41,777 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:28:41,778 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dafe4a55-584a-4c7b-8ccf-60b0d2a53607/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound10.c [2023-11-19 03:28:44,874 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:28:45,063 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:28:45,064 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dafe4a55-584a-4c7b-8ccf-60b0d2a53607/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound10.c [2023-11-19 03:28:45,072 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dafe4a55-584a-4c7b-8ccf-60b0d2a53607/bin/ukojak-verify-G8NBE6pJGL/data/3aed50b84/df7ed911d9cc47f988ec5c9a696128db/FLAG30b95f66f [2023-11-19 03:28:45,087 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dafe4a55-584a-4c7b-8ccf-60b0d2a53607/bin/ukojak-verify-G8NBE6pJGL/data/3aed50b84/df7ed911d9cc47f988ec5c9a696128db [2023-11-19 03:28:45,090 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:28:45,092 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:28:45,093 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:28:45,093 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:28:45,098 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:28:45,099 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:28:45" (1/1) ... [2023-11-19 03:28:45,100 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44c8cca4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:45, skipping insertion in model container [2023-11-19 03:28:45,101 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:28:45" (1/1) ... [2023-11-19 03:28:45,121 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:28:45,274 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_dafe4a55-584a-4c7b-8ccf-60b0d2a53607/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound10.c[520,533] [2023-11-19 03:28:45,289 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:28:45,299 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:28:45,309 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_dafe4a55-584a-4c7b-8ccf-60b0d2a53607/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound10.c[520,533] [2023-11-19 03:28:45,315 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:28:45,329 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:28:45,329 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:45 WrapperNode [2023-11-19 03:28:45,329 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:28:45,331 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:28:45,331 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:28:45,331 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:28:45,339 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:45" (1/1) ... [2023-11-19 03:28:45,345 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:45" (1/1) ... [2023-11-19 03:28:45,364 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 41 [2023-11-19 03:28:45,364 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:28:45,365 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:28:45,365 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:28:45,365 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:28:45,374 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:45" (1/1) ... [2023-11-19 03:28:45,374 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:45" (1/1) ... [2023-11-19 03:28:45,376 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:45" (1/1) ... [2023-11-19 03:28:45,376 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:45" (1/1) ... [2023-11-19 03:28:45,379 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:45" (1/1) ... [2023-11-19 03:28:45,382 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:45" (1/1) ... [2023-11-19 03:28:45,384 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:45" (1/1) ... [2023-11-19 03:28:45,389 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:45" (1/1) ... [2023-11-19 03:28:45,391 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:28:45,392 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:28:45,392 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:28:45,393 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:28:45,393 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:45" (1/1) ... [2023-11-19 03:28:45,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:28:45,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dafe4a55-584a-4c7b-8ccf-60b0d2a53607/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:28:45,423 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dafe4a55-584a-4c7b-8ccf-60b0d2a53607/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:28:45,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dafe4a55-584a-4c7b-8ccf-60b0d2a53607/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:28:45,458 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:28:45,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:28:45,458 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:28:45,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:28:45,458 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:28:45,458 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:28:45,520 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:28:45,523 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:28:45,658 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:28:45,702 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:28:45,703 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:28:45,707 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:28:45 BoogieIcfgContainer [2023-11-19 03:28:45,707 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:28:45,708 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:28:45,708 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:28:45,719 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:28:45,719 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:28:45" (1/1) ... [2023-11-19 03:28:45,729 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:28:45,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:45,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 24 transitions. [2023-11-19 03:28:45,814 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 24 transitions. [2023-11-19 03:28:45,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:28:45,816 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:45,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:45,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:46,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:28:46,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:46,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 21 states and 33 transitions. [2023-11-19 03:28:46,379 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 33 transitions. [2023-11-19 03:28:46,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:28:46,383 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:46,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:46,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:46,457 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:28:46,465 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:28:46,607 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:28:46,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:46,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 24 states and 40 transitions. [2023-11-19 03:28:46,843 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 40 transitions. [2023-11-19 03:28:46,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:28:46,844 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:46,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:46,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:46,896 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:28:46,898 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:28:46,985 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:28:47,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:47,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 26 states and 45 transitions. [2023-11-19 03:28:47,102 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 45 transitions. [2023-11-19 03:28:47,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:28:47,104 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:47,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:47,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:47,133 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:28:47,134 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:28:47,180 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:28:47,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:47,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 29 states and 52 transitions. [2023-11-19 03:28:47,265 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 52 transitions. [2023-11-19 03:28:47,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:28:47,266 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:47,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:47,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:47,296 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:28:47,298 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:28:47,365 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:28:47,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:47,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 31 states and 55 transitions. [2023-11-19 03:28:47,495 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 55 transitions. [2023-11-19 03:28:47,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 03:28:47,496 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:47,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:47,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:47,525 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:28:47,527 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:28:47,573 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 03:28:47,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:47,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 34 states and 62 transitions. [2023-11-19 03:28:47,638 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 62 transitions. [2023-11-19 03:28:47,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 03:28:47,640 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:47,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:47,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:47,704 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 03:28:47,708 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:28:47,820 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 03:28:48,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:48,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 37 states and 68 transitions. [2023-11-19 03:28:48,069 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 68 transitions. [2023-11-19 03:28:48,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:28:48,074 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:48,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:48,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:48,114 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:28:48,120 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:28:48,190 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-19 03:28:48,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:48,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 73 transitions. [2023-11-19 03:28:48,247 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 73 transitions. [2023-11-19 03:28:48,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 03:28:48,253 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:48,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:48,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:48,296 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 03:28:48,308 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:28:48,481 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 9 proven. 17 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-19 03:28:48,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:48,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 34 states and 61 transitions. [2023-11-19 03:28:48,991 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 61 transitions. [2023-11-19 03:28:48,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:28:48,992 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:48,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:49,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:49,038 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:28:49,040 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:28:49,105 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-11-19 03:28:49,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:49,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 37 states and 66 transitions. [2023-11-19 03:28:49,364 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 66 transitions. [2023-11-19 03:28:49,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 03:28:49,365 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:49,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:49,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:49,399 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 03:28:49,401 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:28:49,501 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 12 proven. 9 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-19 03:28:49,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:49,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 40 states and 71 transitions. [2023-11-19 03:28:49,795 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 71 transitions. [2023-11-19 03:28:49,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-19 03:28:49,796 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:49,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:49,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:49,829 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:28:49,832 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:28:49,904 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 27 proven. 7 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2023-11-19 03:28:50,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:50,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 42 states and 74 transitions. [2023-11-19 03:28:50,330 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 74 transitions. [2023-11-19 03:28:50,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 03:28:50,330 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:50,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:50,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:50,372 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-19 03:28:50,374 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:28:50,511 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 13 proven. 30 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-11-19 03:28:50,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:50,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 43 states and 76 transitions. [2023-11-19 03:28:50,862 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 76 transitions. [2023-11-19 03:28:50,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-19 03:28:50,863 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:50,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:50,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:50,895 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:28:50,897 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:28:51,000 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 31 proven. 7 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2023-11-19 03:28:52,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:52,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 43 states and 75 transitions. [2023-11-19 03:28:52,320 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 75 transitions. [2023-11-19 03:28:52,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-19 03:28:52,321 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:52,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:52,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:52,357 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 03:28:52,359 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:28:52,478 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 16 proven. 13 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-11-19 03:28:52,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:52,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 44 states and 79 transitions. [2023-11-19 03:28:52,816 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 79 transitions. [2023-11-19 03:28:52,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 03:28:52,817 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:52,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:52,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:52,850 INFO L262 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 03:28:52,852 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:28:52,930 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 18 proven. 15 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-19 03:28:53,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:53,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 45 states and 80 transitions. [2023-11-19 03:28:53,086 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 80 transitions. [2023-11-19 03:28:53,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-19 03:28:53,087 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:53,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:53,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:53,138 INFO L262 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 03:28:53,140 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:28:53,272 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 18 proven. 21 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-19 03:28:53,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:53,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 48 states and 86 transitions. [2023-11-19 03:28:53,645 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 86 transitions. [2023-11-19 03:28:53,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-19 03:28:53,646 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:53,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:53,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:53,684 INFO L262 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:28:53,686 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:28:53,708 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 44 proven. 7 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2023-11-19 03:28:53,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:53,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 48 states and 85 transitions. [2023-11-19 03:28:53,783 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 85 transitions. [2023-11-19 03:28:53,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-19 03:28:53,784 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:53,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:53,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:53,823 INFO L262 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-19 03:28:53,825 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:28:53,993 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 19 proven. 52 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2023-11-19 03:28:54,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:54,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 49 states and 87 transitions. [2023-11-19 03:28:54,460 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 87 transitions. [2023-11-19 03:28:54,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-19 03:28:54,461 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:54,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:54,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:54,512 INFO L262 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-19 03:28:54,516 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:28:54,676 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 21 proven. 58 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2023-11-19 03:28:55,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:55,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 50 states and 91 transitions. [2023-11-19 03:28:55,059 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 91 transitions. [2023-11-19 03:28:55,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-19 03:28:55,060 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:55,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:55,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:55,119 INFO L262 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 03:28:55,122 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:28:55,223 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 24 proven. 30 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-19 03:28:55,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:55,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 51 states and 92 transitions. [2023-11-19 03:28:55,398 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 92 transitions. [2023-11-19 03:28:55,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-19 03:28:55,402 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:55,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:55,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:55,455 INFO L262 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 03:28:55,457 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:28:55,914 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 47 proven. 15 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-19 03:28:57,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:57,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 39 states and 60 transitions. [2023-11-19 03:28:57,573 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 60 transitions. [2023-11-19 03:28:57,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-11-19 03:28:57,574 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:57,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:57,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:57,615 INFO L262 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:28:57,617 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:28:57,640 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 61 proven. 7 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2023-11-19 03:28:58,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:58,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 33 states and 53 transitions. [2023-11-19 03:28:58,058 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 53 transitions. [2023-11-19 03:28:58,060 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 03:28:58,061 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 24 iterations. [2023-11-19 03:28:58,073 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-11-19 03:28:58,637 INFO L560 CodeCheckObserver]: Invariant with dag size 31 [2023-11-19 03:28:58,645 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:28:58,645 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:28:58 ImpRootNode [2023-11-19 03:28:58,645 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:28:58,646 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:28:58,646 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:28:58,646 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:28:58,647 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:28:45" (3/4) ... [2023-11-19 03:28:58,649 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 03:28:58,651 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-19 03:28:58,655 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2023-11-19 03:28:58,655 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-19 03:28:58,656 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 03:28:58,656 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 03:28:58,748 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dafe4a55-584a-4c7b-8ccf-60b0d2a53607/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 03:28:58,749 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dafe4a55-584a-4c7b-8ccf-60b0d2a53607/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 03:28:58,749 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:28:58,750 INFO L158 Benchmark]: Toolchain (without parser) took 13657.97ms. Allocated memory was 125.8MB in the beginning and 207.6MB in the end (delta: 81.8MB). Free memory was 80.4MB in the beginning and 113.0MB in the end (delta: -32.7MB). Peak memory consumption was 51.1MB. Max. memory is 16.1GB. [2023-11-19 03:28:58,750 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 125.8MB. Free memory is still 73.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:28:58,751 INFO L158 Benchmark]: CACSL2BoogieTranslator took 236.74ms. Allocated memory is still 125.8MB. Free memory was 80.4MB in the beginning and 69.8MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 03:28:58,751 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.85ms. Allocated memory is still 125.8MB. Free memory was 69.8MB in the beginning and 68.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:28:58,752 INFO L158 Benchmark]: Boogie Preprocessor took 26.37ms. Allocated memory is still 125.8MB. Free memory was 68.0MB in the beginning and 67.1MB in the end (delta: 924.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:28:58,752 INFO L158 Benchmark]: RCFGBuilder took 315.21ms. Allocated memory is still 125.8MB. Free memory was 67.1MB in the beginning and 54.7MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 03:28:58,753 INFO L158 Benchmark]: CodeCheck took 12937.32ms. Allocated memory was 125.8MB in the beginning and 207.6MB in the end (delta: 81.8MB). Free memory was 54.7MB in the beginning and 117.2MB in the end (delta: -62.5MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. [2023-11-19 03:28:58,753 INFO L158 Benchmark]: Witness Printer took 103.05ms. Allocated memory is still 207.6MB. Free memory was 117.2MB in the beginning and 113.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:28:58,756 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 17 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 12.3s, OverallIterations: 24, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1038 SdHoareTripleChecker+Valid, 12.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 437 mSDsluCounter, 1357 SdHoareTripleChecker+Invalid, 10.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 606 mSDsCounter, 2422 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5385 IncrementalHoareTripleChecker+Invalid, 7807 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2422 mSolverCounterUnsat, 751 mSDtfsCounter, 5385 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7507 GetRequests, 7162 SyntacticMatches, 197 SemanticMatches, 148 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9727 ImplicationChecksByTransitivity, 7.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 993 NumberOfCodeBlocks, 993 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 970 ConstructedInterpolants, 0 QuantifiedInterpolants, 2777 SizeOfPredicates, 36 NumberOfNonLiveVariables, 2565 ConjunctsInSsa, 327 ConjunctsInUnsatCore, 23 InterpolantComputations, 6 PerfectInterpolantSequences, 2643/2943 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 14]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((((16 == s) && (3 == a)) || ((a == 1) && (s == 4))) || ((9 == s) && (2 == a))) || ((!(((3 == t) && (a == 1))) && !(((5 == t) && (2 == a)))) && !(((7 == t) && (3 == a))))) - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 125.8MB. Free memory is still 73.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 236.74ms. Allocated memory is still 125.8MB. Free memory was 80.4MB in the beginning and 69.8MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.85ms. Allocated memory is still 125.8MB. Free memory was 69.8MB in the beginning and 68.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.37ms. Allocated memory is still 125.8MB. Free memory was 68.0MB in the beginning and 67.1MB in the end (delta: 924.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 315.21ms. Allocated memory is still 125.8MB. Free memory was 67.1MB in the beginning and 54.7MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 12937.32ms. Allocated memory was 125.8MB in the beginning and 207.6MB in the end (delta: 81.8MB). Free memory was 54.7MB in the beginning and 117.2MB in the end (delta: -62.5MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. * Witness Printer took 103.05ms. Allocated memory is still 207.6MB. Free memory was 117.2MB in the beginning and 113.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-19 03:28:58,780 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dafe4a55-584a-4c7b-8ccf-60b0d2a53607/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE