./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0331e8e-4ec6-4e63-be0a-b96389a1facc/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0331e8e-4ec6-4e63-be0a-b96389a1facc/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0331e8e-4ec6-4e63-be0a-b96389a1facc/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0331e8e-4ec6-4e63-be0a-b96389a1facc/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0331e8e-4ec6-4e63-be0a-b96389a1facc/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0331e8e-4ec6-4e63-be0a-b96389a1facc/bin/ukojak-verify-EEHR8qb7sm --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 69ffbc0bd4f07a8cc2897410fc013fb815dd984602255263415f4f8a1a4c1714 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:13:39,918 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:13:40,023 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0331e8e-4ec6-4e63-be0a-b96389a1facc/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 22:13:40,031 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:13:40,032 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:13:40,070 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:13:40,073 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:13:40,073 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:13:40,074 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:13:40,075 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:13:40,075 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:13:40,075 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:13:40,076 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:13:40,076 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:13:40,076 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:13:40,076 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:13:40,077 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:13:40,077 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:13:40,077 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:13:40,078 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:13:40,078 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:13:40,078 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:13:40,078 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:13:40,079 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:13:40,079 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:13:40,079 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:13:40,079 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:13:40,079 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:13:40,079 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:13:40,079 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:13:40,079 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:13:40,080 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:13:40,080 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:13:40,080 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_c0331e8e-4ec6-4e63-be0a-b96389a1facc/bin/ukojak-verify-EEHR8qb7sm 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 -> 69ffbc0bd4f07a8cc2897410fc013fb815dd984602255263415f4f8a1a4c1714 [2024-11-13 22:13:40,463 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:13:40,478 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:13:40,481 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:13:40,482 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:13:40,483 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:13:40,487 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0331e8e-4ec6-4e63-be0a-b96389a1facc/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound10.c Unable to find full path for "g++" [2024-11-13 22:13:42,994 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:13:43,315 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:13:43,316 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0331e8e-4ec6-4e63-be0a-b96389a1facc/sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound10.c [2024-11-13 22:13:43,344 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0331e8e-4ec6-4e63-be0a-b96389a1facc/bin/ukojak-verify-EEHR8qb7sm/data/3e77cc92c/5355abde508e4b17aa406fb40a2d3e51/FLAGd4e52481e [2024-11-13 22:13:43,568 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0331e8e-4ec6-4e63-be0a-b96389a1facc/bin/ukojak-verify-EEHR8qb7sm/data/3e77cc92c/5355abde508e4b17aa406fb40a2d3e51 [2024-11-13 22:13:43,571 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:13:43,573 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:13:43,575 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:13:43,575 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:13:43,581 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:13:43,582 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:13:43" (1/1) ... [2024-11-13 22:13:43,584 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7567c2cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:13:43, skipping insertion in model container [2024-11-13 22:13:43,584 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:13:43" (1/1) ... [2024-11-13 22:13:43,603 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:13:43,836 WARN L250 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_c0331e8e-4ec6-4e63-be0a-b96389a1facc/sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound10.c[525,538] [2024-11-13 22:13:43,860 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:13:43,872 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:13:43,886 WARN L250 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_c0331e8e-4ec6-4e63-be0a-b96389a1facc/sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound10.c[525,538] [2024-11-13 22:13:43,894 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:13:43,911 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:13:43,912 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:13:43 WrapperNode [2024-11-13 22:13:43,912 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:13:43,913 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:13:43,913 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:13:43,914 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:13:43,922 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:13:43" (1/1) ... [2024-11-13 22:13:43,930 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:13:43" (1/1) ... [2024-11-13 22:13:43,951 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 47 [2024-11-13 22:13:43,952 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:13:43,953 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:13:43,953 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:13:43,953 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:13:43,962 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:13:43" (1/1) ... [2024-11-13 22:13:43,962 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:13:43" (1/1) ... [2024-11-13 22:13:43,964 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:13:43" (1/1) ... [2024-11-13 22:13:43,964 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:13:43" (1/1) ... [2024-11-13 22:13:43,968 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:13:43" (1/1) ... [2024-11-13 22:13:43,972 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:13:43" (1/1) ... [2024-11-13 22:13:43,973 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:13:43" (1/1) ... [2024-11-13 22:13:43,974 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:13:43" (1/1) ... [2024-11-13 22:13:43,976 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:13:43,977 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:13:43,977 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:13:43,977 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:13:43,979 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:13:43" (1/1) ... [2024-11-13 22:13:43,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:13:44,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0331e8e-4ec6-4e63-be0a-b96389a1facc/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:13:44,023 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0331e8e-4ec6-4e63-be0a-b96389a1facc/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:13:44,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0331e8e-4ec6-4e63-be0a-b96389a1facc/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:13:44,066 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:13:44,066 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 22:13:44,066 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 22:13:44,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:13:44,067 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:13:44,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:13:44,067 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 22:13:44,067 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 22:13:44,140 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:13:44,143 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:13:44,319 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-13 22:13:44,319 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:13:44,356 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:13:44,356 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 22:13:44,357 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:13:44 BoogieIcfgContainer [2024-11-13 22:13:44,357 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:13:44,358 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:13:44,358 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:13:44,373 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:13:44,374 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:13:44" (1/1) ... [2024-11-13 22:13:44,388 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:13:44,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:13:44,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 21 states and 26 transitions. [2024-11-13 22:13:44,457 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2024-11-13 22:13:44,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 22:13:44,463 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:13:44,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:13:44,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:13:44,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:13:44,733 INFO L255 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 22:13:44,748 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:13:45,339 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 22:13:45,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:13:45,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 25 states and 32 transitions. [2024-11-13 22:13:45,743 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2024-11-13 22:13:45,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 22:13:45,745 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:13:45,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:13:45,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:13:46,323 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 22:13:46,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:13:46,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 25 states and 30 transitions. [2024-11-13 22:13:46,879 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 30 transitions. [2024-11-13 22:13:46,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 22:13:46,880 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:13:46,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:13:46,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:13:46,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:13:46,983 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-13 22:13:46,987 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:13:47,322 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 22:13:49,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:13:49,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 28 states and 38 transitions. [2024-11-13 22:13:49,014 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 38 transitions. [2024-11-13 22:13:49,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:13:49,018 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:13:49,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:13:49,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:13:49,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:13:49,134 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-13 22:13:49,138 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:13:50,311 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-13 22:13:53,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:13:53,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 34 states and 52 transitions. [2024-11-13 22:13:53,992 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 52 transitions. [2024-11-13 22:13:53,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-13 22:13:53,996 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:13:53,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:13:54,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:13:54,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:13:54,144 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-11-13 22:13:54,150 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:13:56,023 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 3 proven. 20 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-13 22:14:02,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:14:02,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 38 states and 60 transitions. [2024-11-13 22:14:02,550 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 60 transitions. [2024-11-13 22:14:02,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-13 22:14:02,551 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:14:02,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:14:02,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:14:02,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:14:02,652 INFO L255 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-11-13 22:14:02,656 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:14:13,168 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 4 proven. 32 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-13 22:15:16,152 WARN L286 SmtUtils]: Spent 6.88s on a formula simplification. DAG size of input: 56 DAG size of output: 34 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:15:23,475 WARN L286 SmtUtils]: Spent 6.88s on a formula simplification that was a NOOP. DAG size: 58 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:15:57,742 WARN L286 SmtUtils]: Spent 10.48s on a formula simplification that was a NOOP. DAG size: 59 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:16:01,119 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.34s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 22:16:03,195 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 22:16:03,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:16:03,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 43 states and 69 transitions. [2024-11-13 22:16:03,309 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 69 transitions. [2024-11-13 22:16:03,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-13 22:16:03,311 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:16:03,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:16:03,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:16:03,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:16:03,386 INFO L255 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 55 conjuncts are in the unsatisfiable core [2024-11-13 22:16:03,389 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:16:14,355 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 5 proven. 47 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-13 22:16:36,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:16:36,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 46 states and 77 transitions. [2024-11-13 22:16:36,023 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 77 transitions. [2024-11-13 22:16:36,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-13 22:16:36,025 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:16:36,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:16:36,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:16:36,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:16:36,138 INFO L255 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 68 conjuncts are in the unsatisfiable core [2024-11-13 22:16:36,141 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:18:24,158 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 6 proven. 65 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-13 22:19:28,537 WARN L286 SmtUtils]: Spent 10.23s on a formula simplification. DAG size of input: 48 DAG size of output: 30 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:20:01,991 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.60s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 22:24:07,444 WARN L286 SmtUtils]: Spent 36.47s on a formula simplification. DAG size of input: 77 DAG size of output: 42 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:24:44,719 WARN L286 SmtUtils]: Spent 15.41s on a formula simplification that was a NOOP. DAG size: 79 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:28:58,990 WARN L286 SmtUtils]: Spent 10.09s on a formula simplification that was a NOOP. DAG size: 43 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)