./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo1-u_unwindbound1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows 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_d5483fd9-63a0-4d26-ad4b-40f2ed458e89/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5483fd9-63a0-4d26-ad4b-40f2ed458e89/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_d5483fd9-63a0-4d26-ad4b-40f2ed458e89/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5483fd9-63a0-4d26-ad4b-40f2ed458e89/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo1-u_unwindbound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5483fd9-63a0-4d26-ad4b-40f2ed458e89/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5483fd9-63a0-4d26-ad4b-40f2ed458e89/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fd71e81526c53a209c01167c5f9fb82334550a28a2ce7544b173ad186de6362e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:05:00,250 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:05:00,321 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5483fd9-63a0-4d26-ad4b-40f2ed458e89/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 03:05:00,326 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:05:00,326 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:05:00,350 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:05:00,351 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:05:00,351 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:05:00,352 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:05:00,352 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:05:00,353 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:05:00,354 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:05:00,354 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:05:00,355 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:05:00,355 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:05:00,356 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:05:00,356 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:05:00,357 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:05:00,357 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:05:00,358 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:05:00,358 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:05:00,363 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:05:00,363 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:05:00,364 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:05:00,364 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:05:00,365 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:05:00,365 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:05:00,366 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:05:00,366 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:05:00,366 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:05:00,370 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:05:00,370 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:05:00,370 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:05:00,371 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:05:00,371 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:05:00,372 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_d5483fd9-63a0-4d26-ad4b-40f2ed458e89/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5483fd9-63a0-4d26-ad4b-40f2ed458e89/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fd71e81526c53a209c01167c5f9fb82334550a28a2ce7544b173ad186de6362e [2023-11-19 03:05:00,687 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:05:00,716 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:05:00,719 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:05:00,720 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:05:00,721 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:05:00,722 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5483fd9-63a0-4d26-ad4b-40f2ed458e89/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/geo1-u_unwindbound1.c [2023-11-19 03:05:03,801 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:05:03,993 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:05:03,994 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5483fd9-63a0-4d26-ad4b-40f2ed458e89/sv-benchmarks/c/nla-digbench-scaling/geo1-u_unwindbound1.c [2023-11-19 03:05:04,002 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5483fd9-63a0-4d26-ad4b-40f2ed458e89/bin/ukojak-verify-G8NBE6pJGL/data/3de0ebd8e/7ad93b260efc4b8a9085ccb76b52f01c/FLAG15b1c432c [2023-11-19 03:05:04,017 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5483fd9-63a0-4d26-ad4b-40f2ed458e89/bin/ukojak-verify-G8NBE6pJGL/data/3de0ebd8e/7ad93b260efc4b8a9085ccb76b52f01c [2023-11-19 03:05:04,020 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:05:04,022 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:05:04,023 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:05:04,023 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:05:04,028 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:05:04,029 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:05:04" (1/1) ... [2023-11-19 03:05:04,031 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59a58139 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:04, skipping insertion in model container [2023-11-19 03:05:04,031 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:05:04" (1/1) ... [2023-11-19 03:05:04,053 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:05:04,225 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:05:04,236 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:05:04,255 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:05:04,270 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:05:04,271 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:04 WrapperNode [2023-11-19 03:05:04,271 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:05:04,272 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:05:04,273 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:05:04,273 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:05:04,280 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:04" (1/1) ... [2023-11-19 03:05:04,287 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:04" (1/1) ... [2023-11-19 03:05:04,313 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 72 [2023-11-19 03:05:04,314 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:05:04,315 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:05:04,315 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:05:04,315 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:05:04,325 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:04" (1/1) ... [2023-11-19 03:05:04,325 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:04" (1/1) ... [2023-11-19 03:05:04,327 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:04" (1/1) ... [2023-11-19 03:05:04,327 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:04" (1/1) ... [2023-11-19 03:05:04,332 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:04" (1/1) ... [2023-11-19 03:05:04,335 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:04" (1/1) ... [2023-11-19 03:05:04,337 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:04" (1/1) ... [2023-11-19 03:05:04,338 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:04" (1/1) ... [2023-11-19 03:05:04,340 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:05:04,341 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:05:04,341 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:05:04,342 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:05:04,343 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:04" (1/1) ... [2023-11-19 03:05:04,349 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:05:04,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5483fd9-63a0-4d26-ad4b-40f2ed458e89/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:05:04,377 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5483fd9-63a0-4d26-ad4b-40f2ed458e89/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:05:04,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5483fd9-63a0-4d26-ad4b-40f2ed458e89/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:05:04,431 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:05:04,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:05:04,432 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:05:04,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:05:04,433 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:05:04,433 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:05:04,506 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:05:04,508 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:05:04,866 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:05:04,903 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:05:04,903 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:05:04,908 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:05:04 BoogieIcfgContainer [2023-11-19 03:05:04,909 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:05:04,910 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:05:04,910 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:05:04,921 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:05:04,923 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:05:04" (1/1) ... [2023-11-19 03:05:04,932 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:05:04,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:04,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 58 states and 61 transitions. [2023-11-19 03:05:04,991 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 61 transitions. [2023-11-19 03:05:04,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 03:05:04,992 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:04,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:05,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:05,213 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 03:05:05,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:05,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 60 states and 63 transitions. [2023-11-19 03:05:05,268 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 63 transitions. [2023-11-19 03:05:05,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:05:05,268 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:05,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:05,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:05,317 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 03:05:05,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:05,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 61 states and 64 transitions. [2023-11-19 03:05:05,332 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 64 transitions. [2023-11-19 03:05:05,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:05:05,333 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:05,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:05,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:05,364 INFO L262 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:05:05,368 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:05:05,395 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 03:05:05,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:05,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 66 states and 72 transitions. [2023-11-19 03:05:05,556 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 72 transitions. [2023-11-19 03:05:05,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:05:05,557 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:05,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:05,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:05,596 INFO L262 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:05:05,597 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:05:05,669 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 03:05:05,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:05,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 67 states and 73 transitions. [2023-11-19 03:05:05,778 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 73 transitions. [2023-11-19 03:05:05,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:05:05,778 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:05,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:05,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:05,801 INFO L262 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:05:05,802 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:05:05,815 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 03:05:05,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:05,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 68 states and 74 transitions. [2023-11-19 03:05:05,831 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 74 transitions. [2023-11-19 03:05:05,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:05:05,831 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:05,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:05,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:05,854 INFO L262 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:05:05,856 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:05:05,877 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 03:05:05,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:05,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 69 states and 75 transitions. [2023-11-19 03:05:05,906 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 75 transitions. [2023-11-19 03:05:05,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:05:05,907 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:05,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:05,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:05,948 INFO L262 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:05:05,953 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:05:06,044 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 03:05:06,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:06,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 70 states and 77 transitions. [2023-11-19 03:05:06,130 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 77 transitions. [2023-11-19 03:05:06,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:05:06,131 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:06,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:06,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:06,177 INFO L262 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:05:06,179 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:05:06,296 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 03:05:06,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:06,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 79 states and 88 transitions. [2023-11-19 03:05:06,850 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 88 transitions. [2023-11-19 03:05:06,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:05:06,851 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:06,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:06,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:06,872 INFO L262 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:05:06,873 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:05:07,065 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 03:05:07,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:07,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 89 states and 101 transitions. [2023-11-19 03:05:07,942 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 101 transitions. [2023-11-19 03:05:07,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:05:07,943 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:07,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:07,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:07,971 INFO L262 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:05:07,972 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:05:08,015 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 03:05:08,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:08,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 90 states and 103 transitions. [2023-11-19 03:05:08,250 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 103 transitions. [2023-11-19 03:05:08,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:05:08,251 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:08,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:08,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:08,270 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:05:08,271 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:05:08,354 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 03:05:08,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:08,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 92 states and 106 transitions. [2023-11-19 03:05:08,498 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 106 transitions. [2023-11-19 03:05:08,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:05:08,501 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:08,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:08,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:08,539 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:05:08,542 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:05:08,577 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 03:05:08,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:08,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 98 states and 117 transitions. [2023-11-19 03:05:08,985 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 117 transitions. [2023-11-19 03:05:08,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:05:08,987 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:08,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:09,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:09,036 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:05:09,037 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:05:09,100 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 03:05:10,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:10,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 113 states and 140 transitions. [2023-11-19 03:05:10,362 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 140 transitions. [2023-11-19 03:05:10,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:05:10,363 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:10,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:10,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:10,394 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:05:10,396 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:05:10,424 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 03:05:10,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:10,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 114 states and 141 transitions. [2023-11-19 03:05:10,446 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 141 transitions. [2023-11-19 03:05:10,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:05:10,447 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:10,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:10,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:10,468 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:05:10,469 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:05:10,536 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 03:05:12,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:12,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 130 states and 165 transitions. [2023-11-19 03:05:12,082 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 165 transitions. [2023-11-19 03:05:12,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:05:12,083 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:12,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:12,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:12,103 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:05:12,104 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:06:06,894 WARN L293 SmtUtils]: Spent 8.72s on a formula simplification. DAG size of input: 22 DAG size of output: 17 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-19 03:06:06,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.