./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_unwindbound5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b289fb7-d4b8-4db3-b4d1-9cc70d6aa09c/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b289fb7-d4b8-4db3-b4d1-9cc70d6aa09c/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b289fb7-d4b8-4db3-b4d1-9cc70d6aa09c/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b289fb7-d4b8-4db3-b4d1-9cc70d6aa09c/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_unwindbound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b289fb7-d4b8-4db3-b4d1-9cc70d6aa09c/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b289fb7-d4b8-4db3-b4d1-9cc70d6aa09c/bin/ukojak-verify-i0I2FZA1j2 --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 ecdd934011f0184386bb9e5e09961f3056f116a23d0d68c545d7785bb46c98e0 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:53:10,204 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:53:10,283 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b289fb7-d4b8-4db3-b4d1-9cc70d6aa09c/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:53:10,289 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:53:10,289 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:53:10,314 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:53:10,315 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:53:10,316 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:53:10,317 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:53:10,317 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:53:10,318 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:53:10,319 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:53:10,319 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:53:10,320 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:53:10,321 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:53:10,321 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:53:10,322 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:53:10,322 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:53:10,323 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:53:10,324 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:53:10,324 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:53:10,325 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:53:10,325 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:53:10,326 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:53:10,327 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:53:10,327 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:53:10,328 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:53:10,328 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:53:10,329 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:53:10,329 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:53:10,330 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:53:10,330 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:53:10,331 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:53:10,331 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:53:10,332 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:53:10,332 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_6b289fb7-d4b8-4db3-b4d1-9cc70d6aa09c/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b289fb7-d4b8-4db3-b4d1-9cc70d6aa09c/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ecdd934011f0184386bb9e5e09961f3056f116a23d0d68c545d7785bb46c98e0 [2023-11-21 18:53:10,593 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:53:10,634 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:53:10,637 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:53:10,638 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:53:10,639 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:53:10,642 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b289fb7-d4b8-4db3-b4d1-9cc70d6aa09c/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_unwindbound5.c [2023-11-21 18:53:13,757 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:53:13,963 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:53:13,964 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b289fb7-d4b8-4db3-b4d1-9cc70d6aa09c/sv-benchmarks/c/nla-digbench-scaling/geo3-ll_unwindbound5.c [2023-11-21 18:53:13,972 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b289fb7-d4b8-4db3-b4d1-9cc70d6aa09c/bin/ukojak-verify-i0I2FZA1j2/data/bb7505ce2/5a17b9c22bbc4b8a82c19c81de31f4dc/FLAG3394643a0 [2023-11-21 18:53:13,988 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b289fb7-d4b8-4db3-b4d1-9cc70d6aa09c/bin/ukojak-verify-i0I2FZA1j2/data/bb7505ce2/5a17b9c22bbc4b8a82c19c81de31f4dc [2023-11-21 18:53:13,995 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:53:13,998 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:53:14,000 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:53:14,001 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:53:14,008 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:53:14,010 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:53:13" (1/1) ... [2023-11-21 18:53:14,011 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20a3da60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:14, skipping insertion in model container [2023-11-21 18:53:14,011 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:53:13" (1/1) ... [2023-11-21 18:53:14,038 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:53:14,242 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:53:14,257 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:53:14,278 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:53:14,293 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:53:14,293 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:14 WrapperNode [2023-11-21 18:53:14,293 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:53:14,295 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:53:14,295 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:53:14,295 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:53:14,304 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:14" (1/1) ... [2023-11-21 18:53:14,311 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:14" (1/1) ... [2023-11-21 18:53:14,335 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 88 [2023-11-21 18:53:14,335 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:53:14,336 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:53:14,336 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:53:14,336 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:53:14,346 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:14" (1/1) ... [2023-11-21 18:53:14,347 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:14" (1/1) ... [2023-11-21 18:53:14,349 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:14" (1/1) ... [2023-11-21 18:53:14,349 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:14" (1/1) ... [2023-11-21 18:53:14,353 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:14" (1/1) ... [2023-11-21 18:53:14,356 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:14" (1/1) ... [2023-11-21 18:53:14,358 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:14" (1/1) ... [2023-11-21 18:53:14,359 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:14" (1/1) ... [2023-11-21 18:53:14,361 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:53:14,362 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:53:14,363 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:53:14,363 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:53:14,364 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:14" (1/1) ... [2023-11-21 18:53:14,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:53:14,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b289fb7-d4b8-4db3-b4d1-9cc70d6aa09c/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:53:14,418 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b289fb7-d4b8-4db3-b4d1-9cc70d6aa09c/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:53:14,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b289fb7-d4b8-4db3-b4d1-9cc70d6aa09c/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:53:14,467 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:53:14,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:53:14,468 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:53:14,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:53:14,469 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:53:14,469 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:53:14,547 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:53:14,549 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:53:14,929 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:53:14,967 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:53:14,968 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 18:53:14,970 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:53:14 BoogieIcfgContainer [2023-11-21 18:53:14,970 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:53:14,972 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:53:14,972 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:53:14,986 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:53:14,986 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:53:14" (1/1) ... [2023-11-21 18:53:14,997 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:53:15,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:15,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 74 states and 77 transitions. [2023-11-21 18:53:15,056 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 77 transitions. [2023-11-21 18:53:15,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-21 18:53:15,058 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:15,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:15,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:15,176 INFO L262 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:53:15,181 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:15,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:53:15,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:15,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 73 states and 76 transitions. [2023-11-21 18:53:15,372 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 76 transitions. [2023-11-21 18:53:15,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:53:15,372 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:15,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:15,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:15,399 INFO L262 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:53:15,400 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:15,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:53:15,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:15,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 72 states and 75 transitions. [2023-11-21 18:53:15,457 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 75 transitions. [2023-11-21 18:53:15,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-21 18:53:15,458 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:15,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:15,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:15,483 INFO L262 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:53:15,484 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:15,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:53:15,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:15,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 72 states and 74 transitions. [2023-11-21 18:53:15,493 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 74 transitions. [2023-11-21 18:53:15,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-21 18:53:15,493 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:15,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:15,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:15,520 INFO L262 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:53:15,521 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:15,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:53:15,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:15,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 74 states and 77 transitions. [2023-11-21 18:53:15,701 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 77 transitions. [2023-11-21 18:53:15,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:53:15,701 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:15,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:15,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:15,726 INFO L262 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:53:15,727 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:15,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:53:16,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:16,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 77 states and 81 transitions. [2023-11-21 18:53:16,067 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 81 transitions. [2023-11-21 18:53:16,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:53:16,073 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:16,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:16,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:16,129 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:53:16,130 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:16,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:53:16,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:16,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 78 states and 82 transitions. [2023-11-21 18:53:16,181 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 82 transitions. [2023-11-21 18:53:16,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:53:16,182 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:16,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:16,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:16,223 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:53:16,227 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:16,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:53:17,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:17,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 83 states and 89 transitions. [2023-11-21 18:53:17,391 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 89 transitions. [2023-11-21 18:53:17,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:53:17,392 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:17,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:17,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:17,414 INFO L262 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:53:17,415 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:17,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:53:19,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:19,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 89 states and 97 transitions. [2023-11-21 18:53:19,343 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 97 transitions. [2023-11-21 18:53:19,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:53:19,343 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:19,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:19,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:19,370 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:53:19,371 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:19,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:53:22,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:22,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 96 states and 107 transitions. [2023-11-21 18:53:22,494 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 107 transitions. [2023-11-21 18:53:22,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 18:53:22,494 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:22,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:22,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:22,519 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:53:22,521 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:23,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:53:26,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:26,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 104 states and 119 transitions. [2023-11-21 18:53:26,533 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 119 transitions. [2023-11-21 18:53:26,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:53:26,534 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:26,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:26,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:26,553 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:53:26,554 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:26,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:53:30,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:30,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 113 states and 133 transitions. [2023-11-21 18:53:30,071 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 133 transitions. [2023-11-21 18:53:30,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:53:30,071 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:30,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:30,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:30,089 INFO L262 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:53:30,090 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:30,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:53:33,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:33,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 123 states and 149 transitions. [2023-11-21 18:53:33,930 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 149 transitions. [2023-11-21 18:53:33,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:53:33,931 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:33,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:33,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:33,949 INFO L262 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:53:33,950 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:34,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:53:41,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:41,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 134 states and 167 transitions. [2023-11-21 18:53:41,083 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 167 transitions. [2023-11-21 18:53:41,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:53:41,084 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:41,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:41,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:41,109 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:53:41,111 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:41,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:53:54,871 WARN L293 SmtUtils]: Spent 11.29s on a formula simplification. DAG size of input: 39 DAG size of output: 33 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-21 18:54:06,997 WARN L293 SmtUtils]: Spent 10.69s on a formula simplification that was a NOOP. DAG size: 34 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)