./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_95024001-07db-49e9-9706-6fecff57fe41/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95024001-07db-49e9-9706-6fecff57fe41/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_95024001-07db-49e9-9706-6fecff57fe41/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95024001-07db-49e9-9706-6fecff57fe41/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95024001-07db-49e9-9706-6fecff57fe41/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_95024001-07db-49e9-9706-6fecff57fe41/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 942b28ff7c0583b7db8395d2c315e70afc8fe68ba69d39faf867ac75d7628edb --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:54:44,995 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:54:45,125 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95024001-07db-49e9-9706-6fecff57fe41/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:54:45,137 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:54:45,138 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:54:45,213 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:54:45,217 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:54:45,218 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:54:45,219 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:54:45,222 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:54:45,223 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:54:45,223 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:54:45,224 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:54:45,225 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:54:45,225 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:54:45,226 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:54:45,226 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:54:45,227 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:54:45,227 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:54:45,228 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:54:45,229 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:54:45,232 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:54:45,233 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:54:45,234 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:54:45,235 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:54:45,235 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:54:45,236 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:54:45,236 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:54:45,237 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:54:45,238 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:54:45,239 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:54:45,240 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:54:45,240 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:54:45,240 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_95024001-07db-49e9-9706-6fecff57fe41/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95024001-07db-49e9-9706-6fecff57fe41/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 942b28ff7c0583b7db8395d2c315e70afc8fe68ba69d39faf867ac75d7628edb [2023-11-24 22:54:45,556 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:54:45,592 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:54:45,594 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:54:45,596 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:54:45,597 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:54:45,598 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95024001-07db-49e9-9706-6fecff57fe41/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound2.c [2023-11-24 22:54:48,815 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:54:49,029 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:54:49,030 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95024001-07db-49e9-9706-6fecff57fe41/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound2.c [2023-11-24 22:54:49,038 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95024001-07db-49e9-9706-6fecff57fe41/bin/ukojak-verify-afCqCEvfdi/data/3acd2ca83/a91f247506fe4e7a96db6b2b71f87ede/FLAGcc7e1989b [2023-11-24 22:54:49,050 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95024001-07db-49e9-9706-6fecff57fe41/bin/ukojak-verify-afCqCEvfdi/data/3acd2ca83/a91f247506fe4e7a96db6b2b71f87ede [2023-11-24 22:54:49,053 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:54:49,054 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:54:49,056 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:54:49,056 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:54:49,061 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:54:49,069 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:54:49" (1/1) ... [2023-11-24 22:54:49,070 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35a6eec1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:49, skipping insertion in model container [2023-11-24 22:54:49,070 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:54:49" (1/1) ... [2023-11-24 22:54:49,108 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:54:49,278 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_95024001-07db-49e9-9706-6fecff57fe41/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound2.c[588,601] [2023-11-24 22:54:49,312 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:54:49,321 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:54:49,334 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_95024001-07db-49e9-9706-6fecff57fe41/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound2.c[588,601] [2023-11-24 22:54:49,346 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:54:49,360 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:54:49,361 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:49 WrapperNode [2023-11-24 22:54:49,361 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:54:49,362 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:54:49,363 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:54:49,363 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:54:49,371 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:49" (1/1) ... [2023-11-24 22:54:49,378 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:49" (1/1) ... [2023-11-24 22:54:49,399 INFO L138 Inliner]: procedures = 14, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 48 [2023-11-24 22:54:49,400 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:54:49,400 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:54:49,401 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:54:49,401 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:54:49,408 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:49" (1/1) ... [2023-11-24 22:54:49,408 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:49" (1/1) ... [2023-11-24 22:54:49,410 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:49" (1/1) ... [2023-11-24 22:54:49,411 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:49" (1/1) ... [2023-11-24 22:54:49,414 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:49" (1/1) ... [2023-11-24 22:54:49,417 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:49" (1/1) ... [2023-11-24 22:54:49,419 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:49" (1/1) ... [2023-11-24 22:54:49,420 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:49" (1/1) ... [2023-11-24 22:54:49,422 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:54:49,423 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:54:49,423 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:54:49,423 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:54:49,424 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:49" (1/1) ... [2023-11-24 22:54:49,430 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:54:49,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95024001-07db-49e9-9706-6fecff57fe41/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:54:49,461 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95024001-07db-49e9-9706-6fecff57fe41/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:54:49,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95024001-07db-49e9-9706-6fecff57fe41/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:54:49,544 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:54:49,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:54:49,545 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:54:49,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:54:49,546 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 22:54:49,560 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 22:54:49,623 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:54:49,625 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:54:49,787 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:54:49,862 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:54:49,862 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 22:54:49,864 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:54:49 BoogieIcfgContainer [2023-11-24 22:54:49,864 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:54:49,865 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:54:49,865 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:54:49,875 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:54:49,884 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:54:49" (1/1) ... [2023-11-24 22:54:49,892 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:54:49,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:49,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 22 states and 34 transitions. [2023-11-24 22:54:49,945 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 34 transitions. [2023-11-24 22:54:49,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:54:49,949 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:49,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:50,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:50,358 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 22:54:50,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:50,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 26 states and 46 transitions. [2023-11-24 22:54:50,661 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 46 transitions. [2023-11-24 22:54:50,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 22:54:50,663 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:50,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:50,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:50,705 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-24 22:54:50,710 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:50,875 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:51,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:51,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 29 states and 52 transitions. [2023-11-24 22:54:51,265 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 52 transitions. [2023-11-24 22:54:51,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:54:51,265 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:51,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:51,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:51,299 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-24 22:54:51,302 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:51,410 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 22:54:51,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:51,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 33 states and 60 transitions. [2023-11-24 22:54:51,824 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 60 transitions. [2023-11-24 22:54:51,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 22:54:51,825 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:51,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:51,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:51,888 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-24 22:54:51,892 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:52,043 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:54:52,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:52,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 34 states and 62 transitions. [2023-11-24 22:54:52,305 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 62 transitions. [2023-11-24 22:54:52,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-24 22:54:52,306 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:52,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:52,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:52,339 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-24 22:54:52,342 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:52,428 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 10 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-24 22:54:52,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:52,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 35 states and 64 transitions. [2023-11-24 22:54:52,504 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 64 transitions. [2023-11-24 22:54:52,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-24 22:54:52,506 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:52,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:52,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:52,539 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:54:52,541 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:52,640 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-24 22:54:53,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:53,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 42 states and 80 transitions. [2023-11-24 22:54:53,267 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 80 transitions. [2023-11-24 22:54:53,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-24 22:54:53,268 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:53,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:53,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:53,303 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-24 22:54:53,306 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:53,442 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-24 22:54:54,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:54,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 43 states and 81 transitions. [2023-11-24 22:54:54,014 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 81 transitions. [2023-11-24 22:54:54,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-24 22:54:54,016 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:54,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:54,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:54,053 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-24 22:54:54,056 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:54,173 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 11 proven. 19 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-11-24 22:54:54,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:54,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 46 states and 87 transitions. [2023-11-24 22:54:54,642 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 87 transitions. [2023-11-24 22:54:54,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-24 22:54:54,643 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:54,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:54,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:54,680 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-24 22:54:54,682 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:54,808 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 13 proven. 23 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-11-24 22:54:55,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:55,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 50 states and 95 transitions. [2023-11-24 22:54:55,429 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 95 transitions. [2023-11-24 22:54:55,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-24 22:54:55,431 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:55,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:55,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:55,487 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-24 22:54:55,490 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:55,664 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 15 proven. 27 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2023-11-24 22:54:56,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:56,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 51 states and 97 transitions. [2023-11-24 22:54:56,168 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 97 transitions. [2023-11-24 22:54:56,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-24 22:54:56,169 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:56,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:56,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:56,216 INFO L262 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-24 22:54:56,218 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:56,349 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 17 proven. 31 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2023-11-24 22:54:56,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:56,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 52 states and 100 transitions. [2023-11-24 22:54:56,576 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 100 transitions. [2023-11-24 22:54:56,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-24 22:54:56,578 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:56,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:56,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:56,619 INFO L262 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:54:56,621 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:56,647 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 39 proven. 13 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2023-11-24 22:54:57,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:57,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 54 states and 102 transitions. [2023-11-24 22:54:57,186 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 102 transitions. [2023-11-24 22:54:57,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-24 22:54:57,187 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:57,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:57,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:57,245 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-24 22:54:57,254 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:57,661 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 21 proven. 38 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2023-11-24 22:54:58,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:58,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 63 states and 119 transitions. [2023-11-24 22:54:58,911 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 119 transitions. [2023-11-24 22:54:58,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-24 22:54:58,912 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:58,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:58,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:58,957 INFO L262 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-24 22:54:58,960 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:59,396 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 21 proven. 44 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2023-11-24 22:55:00,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:00,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 66 states and 125 transitions. [2023-11-24 22:55:00,054 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 125 transitions. [2023-11-24 22:55:00,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-24 22:55:00,055 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:00,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:00,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:00,104 INFO L262 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-24 22:55:00,106 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:00,434 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 23 proven. 41 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2023-11-24 22:55:01,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:01,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 67 states and 128 transitions. [2023-11-24 22:55:01,096 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 128 transitions. [2023-11-24 22:55:01,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-11-24 22:55:01,098 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:01,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:01,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:01,152 INFO L262 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-24 22:55:01,155 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:01,344 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 23 proven. 49 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2023-11-24 22:55:02,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:02,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 71 states and 136 transitions. [2023-11-24 22:55:02,341 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 136 transitions. [2023-11-24 22:55:02,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-24 22:55:02,342 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:02,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:02,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:02,396 INFO L262 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-24 22:55:02,399 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:02,661 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 25 proven. 44 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2023-11-24 22:55:03,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:03,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 73 states and 141 transitions. [2023-11-24 22:55:03,442 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 141 transitions. [2023-11-24 22:55:03,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-24 22:55:03,443 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:03,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:03,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:03,515 INFO L262 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-24 22:55:03,517 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:03,747 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 25 proven. 54 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2023-11-24 22:55:04,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:04,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 74 states and 143 transitions. [2023-11-24 22:55:04,375 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 143 transitions. [2023-11-24 22:55:04,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-24 22:55:04,377 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:04,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:04,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:04,425 INFO L262 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:55:04,427 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:04,653 INFO L134 CoverageAnalysis]: Checked inductivity of 399 backedges. 55 proven. 13 refuted. 0 times theorem prover too weak. 331 trivial. 0 not checked. [2023-11-24 22:55:05,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:05,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 76 states and 146 transitions. [2023-11-24 22:55:05,408 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 146 transitions. [2023-11-24 22:55:05,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-24 22:55:05,409 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:05,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:05,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:05,497 INFO L262 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-24 22:55:05,500 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:05,673 INFO L134 CoverageAnalysis]: Checked inductivity of 411 backedges. 27 proven. 59 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2023-11-24 22:55:06,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:06,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 77 states and 150 transitions. [2023-11-24 22:55:06,115 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 150 transitions. [2023-11-24 22:55:06,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-24 22:55:06,116 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:06,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:06,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:06,165 INFO L262 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:55:06,168 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:07,050 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 55 proven. 19 refuted. 0 times theorem prover too weak. 383 trivial. 0 not checked. [2023-11-24 22:55:08,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:08,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 79 states and 153 transitions. [2023-11-24 22:55:08,478 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 153 transitions. [2023-11-24 22:55:08,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-11-24 22:55:08,479 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:08,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:08,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:08,534 INFO L262 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:55:08,537 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:08,565 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 69 proven. 13 refuted. 0 times theorem prover too weak. 389 trivial. 0 not checked. [2023-11-24 22:55:08,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:08,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 79 states and 151 transitions. [2023-11-24 22:55:08,919 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 151 transitions. [2023-11-24 22:55:08,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-11-24 22:55:08,921 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:08,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:08,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:08,979 INFO L262 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-24 22:55:08,982 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:09,540 INFO L134 CoverageAnalysis]: Checked inductivity of 533 backedges. 31 proven. 67 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2023-11-24 22:55:11,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:11,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 82 states and 157 transitions. [2023-11-24 22:55:11,514 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 157 transitions. [2023-11-24 22:55:11,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-11-24 22:55:11,515 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:11,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:11,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:11,574 INFO L262 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 33 conjunts are in the unsatisfiable core [2023-11-24 22:55:11,576 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:12,391 INFO L134 CoverageAnalysis]: Checked inductivity of 542 backedges. 31 proven. 76 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2023-11-24 22:55:13,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:13,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 85 states and 163 transitions. [2023-11-24 22:55:13,526 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 163 transitions. [2023-11-24 22:55:13,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-11-24 22:55:13,527 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:13,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:13,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:13,613 INFO L262 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-24 22:55:13,616 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:14,181 INFO L134 CoverageAnalysis]: Checked inductivity of 599 backedges. 33 proven. 70 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2023-11-24 22:55:15,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:15,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 86 states and 166 transitions. [2023-11-24 22:55:15,106 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 166 transitions. [2023-11-24 22:55:15,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-11-24 22:55:15,108 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:15,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:15,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:15,165 INFO L262 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 37 conjunts are in the unsatisfiable core [2023-11-24 22:55:15,177 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:15,681 INFO L134 CoverageAnalysis]: Checked inductivity of 611 backedges. 33 proven. 82 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2023-11-24 22:55:16,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:16,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 90 states and 173 transitions. [2023-11-24 22:55:16,870 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 173 transitions. [2023-11-24 22:55:16,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-11-24 22:55:16,872 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:16,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:16,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:16,932 INFO L262 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-24 22:55:16,936 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:17,378 INFO L134 CoverageAnalysis]: Checked inductivity of 669 backedges. 35 proven. 73 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2023-11-24 22:55:18,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:18,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 92 states and 177 transitions. [2023-11-24 22:55:18,458 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 177 transitions. [2023-11-24 22:55:18,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-11-24 22:55:18,460 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:18,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:18,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:18,519 INFO L262 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 37 conjunts are in the unsatisfiable core [2023-11-24 22:55:18,522 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:18,780 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 35 proven. 88 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2023-11-24 22:55:19,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:19,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 93 states and 179 transitions. [2023-11-24 22:55:19,699 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 179 transitions. [2023-11-24 22:55:19,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-11-24 22:55:19,701 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:19,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:19,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:19,761 INFO L262 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-24 22:55:19,766 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:19,979 INFO L134 CoverageAnalysis]: Checked inductivity of 761 backedges. 37 proven. 94 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2023-11-24 22:55:20,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:20,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 94 states and 183 transitions. [2023-11-24 22:55:20,519 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 183 transitions. [2023-11-24 22:55:20,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-11-24 22:55:20,521 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:20,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:20,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:20,581 INFO L262 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:55:20,583 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:20,612 INFO L134 CoverageAnalysis]: Checked inductivity of 842 backedges. 99 proven. 13 refuted. 0 times theorem prover too weak. 730 trivial. 0 not checked. [2023-11-24 22:55:21,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:21,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 94 states and 181 transitions. [2023-11-24 22:55:21,011 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 181 transitions. [2023-11-24 22:55:21,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-11-24 22:55:21,013 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:21,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:21,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:21,084 INFO L262 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 34 conjunts are in the unsatisfiable core [2023-11-24 22:55:21,088 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:21,775 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 41 proven. 103 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2023-11-24 22:55:24,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:24,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 57 states and 97 transitions. [2023-11-24 22:55:24,335 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 97 transitions. [2023-11-24 22:55:24,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-11-24 22:55:24,337 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:24,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:24,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:24,427 INFO L262 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 34 conjunts are in the unsatisfiable core [2023-11-24 22:55:24,430 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:25,116 INFO L134 CoverageAnalysis]: Checked inductivity of 1010 backedges. 43 proven. 106 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2023-11-24 22:55:26,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:26,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 56 states and 93 transitions. [2023-11-24 22:55:26,427 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 93 transitions. [2023-11-24 22:55:26,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-11-24 22:55:26,428 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:26,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:26,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:26,499 INFO L262 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 43 conjunts are in the unsatisfiable core [2023-11-24 22:55:26,502 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:27,352 INFO L134 CoverageAnalysis]: Checked inductivity of 1100 backedges. 45 proven. 109 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2023-11-24 22:55:28,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:28,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 49 states and 83 transitions. [2023-11-24 22:55:28,778 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 83 transitions. [2023-11-24 22:55:28,779 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-24 22:55:28,779 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 34 iterations. [2023-11-24 22:55:28,788 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-11-24 22:55:30,150 INFO L560 CodeCheckObserver]: Invariant with dag size 22 [2023-11-24 22:55:30,157 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 22:55:30,158 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:55:30 ImpRootNode [2023-11-24 22:55:30,158 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:55:30,159 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:55:30,159 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:55:30,159 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:55:30,160 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:54:49" (3/4) ... [2023-11-24 22:55:30,162 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-24 22:55:30,165 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-24 22:55:30,169 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2023-11-24 22:55:30,169 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-24 22:55:30,170 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-24 22:55:30,170 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-24 22:55:30,275 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95024001-07db-49e9-9706-6fecff57fe41/bin/ukojak-verify-afCqCEvfdi/witness.graphml [2023-11-24 22:55:30,275 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95024001-07db-49e9-9706-6fecff57fe41/bin/ukojak-verify-afCqCEvfdi/witness.yml [2023-11-24 22:55:30,276 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:55:30,277 INFO L158 Benchmark]: Toolchain (without parser) took 41222.06ms. Allocated memory was 178.3MB in the beginning and 373.3MB in the end (delta: 195.0MB). Free memory was 147.5MB in the beginning and 215.1MB in the end (delta: -67.6MB). Peak memory consumption was 129.2MB. Max. memory is 16.1GB. [2023-11-24 22:55:30,277 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 125.8MB. Free memory is still 98.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:55:30,278 INFO L158 Benchmark]: CACSL2BoogieTranslator took 305.63ms. Allocated memory is still 178.3MB. Free memory was 147.3MB in the beginning and 139.4MB in the end (delta: 7.9MB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB. [2023-11-24 22:55:30,278 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.48ms. Allocated memory is still 178.3MB. Free memory was 139.4MB in the beginning and 137.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:55:30,279 INFO L158 Benchmark]: Boogie Preprocessor took 21.82ms. Allocated memory is still 178.3MB. Free memory was 137.8MB in the beginning and 136.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:55:30,279 INFO L158 Benchmark]: RCFGBuilder took 441.23ms. Allocated memory is still 178.3MB. Free memory was 136.5MB in the beginning and 137.6MB in the end (delta: -1.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 22:55:30,280 INFO L158 Benchmark]: CodeCheck took 40293.39ms. Allocated memory was 178.3MB in the beginning and 373.3MB in the end (delta: 195.0MB). Free memory was 136.7MB in the beginning and 219.3MB in the end (delta: -82.6MB). Peak memory consumption was 115.3MB. Max. memory is 16.1GB. [2023-11-24 22:55:30,280 INFO L158 Benchmark]: Witness Printer took 116.95ms. Allocated memory is still 373.3MB. Free memory was 219.3MB in the beginning and 215.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 22:55:30,283 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, 22 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 38.9s, OverallIterations: 34, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2060 SdHoareTripleChecker+Valid, 50.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 829 mSDsluCounter, 1433 SdHoareTripleChecker+Invalid, 45.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1074 mSDsCounter, 6641 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 17538 IncrementalHoareTripleChecker+Invalid, 24179 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6641 mSolverCounterUnsat, 359 mSDtfsCounter, 17538 mSolverCounterSat, 0.6s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 18481 GetRequests, 17634 SyntacticMatches, 499 SemanticMatches, 348 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87219 ImplicationChecksByTransitivity, 27.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 10.6s InterpolantComputationTime, 2300 NumberOfCodeBlocks, 2300 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 2267 ConstructedInterpolants, 0 QuantifiedInterpolants, 8009 SizeOfPredicates, 81 NumberOfNonLiveVariables, 5442 ConjunctsInSsa, 762 ConjunctsInUnsatCore, 33 InterpolantComputations, 2 PerfectInterpolantSequences, 11270/12662 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: 17]: 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: 33]: Loop Invariant Derived loop invariant: (((!((z == (6 + (6 * n)))) || !((x == 8))) || (1 <= a)) || !(((2 == n) && (19 == y)))) - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 125.8MB. Free memory is still 98.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 305.63ms. Allocated memory is still 178.3MB. Free memory was 147.3MB in the beginning and 139.4MB in the end (delta: 7.9MB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.48ms. Allocated memory is still 178.3MB. Free memory was 139.4MB in the beginning and 137.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.82ms. Allocated memory is still 178.3MB. Free memory was 137.8MB in the beginning and 136.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 441.23ms. Allocated memory is still 178.3MB. Free memory was 136.5MB in the beginning and 137.6MB in the end (delta: -1.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * CodeCheck took 40293.39ms. Allocated memory was 178.3MB in the beginning and 373.3MB in the end (delta: 195.0MB). Free memory was 136.7MB in the beginning and 219.3MB in the end (delta: -82.6MB). Peak memory consumption was 115.3MB. Max. memory is 16.1GB. * Witness Printer took 116.95ms. Allocated memory is still 373.3MB. Free memory was 219.3MB in the beginning and 215.1MB 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! [2023-11-24 22:55:30,311 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95024001-07db-49e9-9706-6fecff57fe41/bin/ukojak-verify-afCqCEvfdi/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