./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e19069e9-97b2-45ee-a177-86103658fbe5/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e19069e9-97b2-45ee-a177-86103658fbe5/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e19069e9-97b2-45ee-a177-86103658fbe5/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e19069e9-97b2-45ee-a177-86103658fbe5/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e19069e9-97b2-45ee-a177-86103658fbe5/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e19069e9-97b2-45ee-a177-86103658fbe5/bin/ukojak-verify-CZk0znPC7b --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 de445246a07a3c09c24ae1b242201e03863b04cf8c0f903588b21168932b2662 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:33:54,411 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:33:54,461 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e19069e9-97b2-45ee-a177-86103658fbe5/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 03:33:54,465 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 03:33:54,465 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 03:33:54,482 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:33:54,483 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:33:54,483 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:33:54,483 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:33:54,484 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:33:54,484 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:33:54,484 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:33:54,484 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 03:33:54,484 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 03:33:54,484 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 03:33:54,484 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:33:54,484 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:33:54,484 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:33:54,484 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:33:54,485 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 03:33:54,485 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:33:54,485 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:33:54,485 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:33:54,485 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:33:54,485 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:33:54,485 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:33:54,485 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:33:54,485 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:33:54,486 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:33:54,486 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:33:54,486 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:33:54,486 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 03:33:54,486 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 03:33:54,486 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_e19069e9-97b2-45ee-a177-86103658fbe5/bin/ukojak-verify-CZk0znPC7b 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 -> de445246a07a3c09c24ae1b242201e03863b04cf8c0f903588b21168932b2662 [2024-12-06 03:33:54,680 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:33:54,687 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:33:54,688 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:33:54,690 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:33:54,690 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:33:54,691 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e19069e9-97b2-45ee-a177-86103658fbe5/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound10.c [2024-12-06 03:33:57,330 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e19069e9-97b2-45ee-a177-86103658fbe5/bin/ukojak-verify-CZk0znPC7b/data/d1e01b0bb/89a059a0222e425d81e129742fecbf16/FLAG521fe1261 [2024-12-06 03:33:57,545 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:33:57,546 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e19069e9-97b2-45ee-a177-86103658fbe5/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound10.c [2024-12-06 03:33:57,551 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e19069e9-97b2-45ee-a177-86103658fbe5/bin/ukojak-verify-CZk0znPC7b/data/d1e01b0bb/89a059a0222e425d81e129742fecbf16/FLAG521fe1261 [2024-12-06 03:33:57,917 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e19069e9-97b2-45ee-a177-86103658fbe5/bin/ukojak-verify-CZk0znPC7b/data/d1e01b0bb/89a059a0222e425d81e129742fecbf16 [2024-12-06 03:33:57,919 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:33:57,920 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:33:57,921 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:33:57,921 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:33:57,924 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:33:57,925 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:33:57" (1/1) ... [2024-12-06 03:33:57,926 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b268763 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:33:57, skipping insertion in model container [2024-12-06 03:33:57,926 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:33:57" (1/1) ... [2024-12-06 03:33:57,935 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:33:58,037 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_e19069e9-97b2-45ee-a177-86103658fbe5/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound10.c[525,538] [2024-12-06 03:33:58,049 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:33:58,056 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:33:58,064 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_e19069e9-97b2-45ee-a177-86103658fbe5/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound10.c[525,538] [2024-12-06 03:33:58,068 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:33:58,080 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:33:58,080 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:33:58 WrapperNode [2024-12-06 03:33:58,080 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:33:58,081 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:33:58,081 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:33:58,081 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:33:58,086 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:33:58" (1/1) ... [2024-12-06 03:33:58,090 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:33:58" (1/1) ... [2024-12-06 03:33:58,101 INFO L138 Inliner]: procedures = 14, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 42 [2024-12-06 03:33:58,102 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:33:58,102 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:33:58,102 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:33:58,102 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:33:58,107 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:33:58" (1/1) ... [2024-12-06 03:33:58,107 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:33:58" (1/1) ... [2024-12-06 03:33:58,108 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:33:58" (1/1) ... [2024-12-06 03:33:58,108 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:33:58" (1/1) ... [2024-12-06 03:33:58,111 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:33:58" (1/1) ... [2024-12-06 03:33:58,111 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:33:58" (1/1) ... [2024-12-06 03:33:58,114 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:33:58" (1/1) ... [2024-12-06 03:33:58,115 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:33:58" (1/1) ... [2024-12-06 03:33:58,115 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:33:58" (1/1) ... [2024-12-06 03:33:58,117 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:33:58,118 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:33:58,119 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:33:58,119 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:33:58,120 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:33:58" (1/1) ... [2024-12-06 03:33:58,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:33:58,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e19069e9-97b2-45ee-a177-86103658fbe5/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:33:58,143 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e19069e9-97b2-45ee-a177-86103658fbe5/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:33:58,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e19069e9-97b2-45ee-a177-86103658fbe5/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:33:58,166 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:33:58,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 03:33:58,166 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:33:58,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:33:58,166 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 03:33:58,166 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 03:33:58,209 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:33:58,211 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:33:58,303 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-12-06 03:33:58,303 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:33:58,320 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:33:58,320 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 03:33:58,320 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:33:58 BoogieIcfgContainer [2024-12-06 03:33:58,320 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:33:58,321 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:33:58,321 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:33:58,328 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:33:58,328 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:33:58" (1/1) ... [2024-12-06 03:33:58,335 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:33:58,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:33:58,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2024-12-06 03:33:58,373 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2024-12-06 03:33:58,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 03:33:58,377 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:33:58,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:33:58,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:33:58,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:33:58,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:33:58,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2024-12-06 03:33:58,493 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2024-12-06 03:33:58,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 03:33:58,494 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:33:58,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:33:58,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:33:58,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:33:58,544 INFO L256 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:33:58,549 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:33:58,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:33:58,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:33:58,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2024-12-06 03:33:58,712 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2024-12-06 03:33:58,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 03:33:58,713 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:33:58,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:33:58,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:33:58,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:33:59,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:33:59,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2024-12-06 03:33:59,004 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2024-12-06 03:33:59,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 03:33:59,005 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:33:59,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:33:59,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:33:59,223 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:33:59,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:33:59,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 22 states and 29 transitions. [2024-12-06 03:33:59,646 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2024-12-06 03:33:59,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-06 03:33:59,646 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:33:59,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:33:59,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:33:59,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:33:59,702 INFO L256 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-06 03:33:59,704 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:33:59,785 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:34:00,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:34:00,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2024-12-06 03:34:00,442 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2024-12-06 03:34:00,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 03:34:00,443 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:34:00,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:34:00,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:34:00,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:34:00,513 INFO L256 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 03:34:00,515 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:34:00,693 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 03:34:05,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:34:05,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 30 states and 47 transitions. [2024-12-06 03:34:05,191 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-12-06 03:34:05,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-06 03:34:05,191 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:34:05,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:34:05,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:34:05,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:34:05,269 INFO L256 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 03:34:05,271 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:34:05,422 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-06 03:34:14,684 WARN L286 SmtUtils]: Spent 9.08s on a formula simplification that was a NOOP. DAG size: 29 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 03:34:20,140 WARN L286 SmtUtils]: Spent 5.28s on a formula simplification that was a NOOP. DAG size: 30 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 03:34:21,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:34:21,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 34 states and 54 transitions. [2024-12-06 03:34:21,023 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 54 transitions. [2024-12-06 03:34:21,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-12-06 03:34:21,024 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:34:21,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:34:21,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:34:21,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:34:21,145 INFO L256 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-12-06 03:34:21,148 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:34:21,386 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-12-06 03:34:41,311 WARN L286 SmtUtils]: Spent 19.47s on a formula simplification that was a NOOP. DAG size: 35 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 03:35:08,451 WARN L286 SmtUtils]: Spent 26.24s on a formula simplification that was a NOOP. DAG size: 36 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 03:35:12,960 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.44s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 03:35:13,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:35:13,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 38 states and 61 transitions. [2024-12-06 03:35:13,009 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 61 transitions. [2024-12-06 03:35:13,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-06 03:35:13,010 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:35:13,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:35:13,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:35:13,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:35:13,159 INFO L256 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-12-06 03:35:13,161 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:35:14,295 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 18 proven. 59 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-12-06 03:35:42,487 WARN L286 SmtUtils]: Spent 27.27s on a formula simplification that was a NOOP. DAG size: 41 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 03:36:03,212 WARN L286 SmtUtils]: Spent 20.36s on a formula simplification that was a NOOP. DAG size: 42 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 03:36:08,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:36:08,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 42 states and 68 transitions. [2024-12-06 03:36:08,198 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 68 transitions. [2024-12-06 03:36:08,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-12-06 03:36:08,199 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:36:08,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:36:08,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:36:08,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:36:08,397 INFO L256 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-12-06 03:36:08,399 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:36:09,956 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 27 proven. 90 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-12-06 03:36:51,571 WARN L286 SmtUtils]: Spent 40.50s on a formula simplification that was a NOOP. DAG size: 47 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 03:37:18,281 WARN L286 SmtUtils]: Spent 26.26s on a formula simplification that was a NOOP. DAG size: 48 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 03:37:21,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:37:21,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 46 states and 75 transitions. [2024-12-06 03:37:21,654 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 75 transitions. [2024-12-06 03:37:21,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-12-06 03:37:21,654 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:37:21,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:37:21,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:37:21,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:37:21,884 INFO L256 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-06 03:37:21,886 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:37:22,503 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 42 proven. 107 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-12-06 03:38:37,486 WARN L286 SmtUtils]: Spent 1.21m on a formula simplification that was a NOOP. DAG size: 53 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 03:39:30,267 WARN L286 SmtUtils]: Spent 51.86s on a formula simplification that was a NOOP. DAG size: 54 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 03:39:32,966 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.45s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 03:39:52,525 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.21s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 03:39:52,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:39:52,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 50 states and 82 transitions. [2024-12-06 03:39:52,709 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 82 transitions. [2024-12-06 03:39:52,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-12-06 03:39:52,709 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:39:52,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:39:52,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:39:53,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:39:53,729 INFO L256 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 55 conjuncts are in the unsatisfiable core [2024-12-06 03:39:53,732 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:41:36,517 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 22 proven. 175 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-12-06 03:44:26,881 WARN L286 SmtUtils]: Spent 1.38m on a formula simplification that was a NOOP. DAG size: 61 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 03:45:58,575 WARN L286 SmtUtils]: Spent 1.31m on a formula simplification that was a NOOP. DAG size: 62 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 03:47:07,445 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.94s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 03:47:08,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:47:08,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 83 states and 141 transitions. [2024-12-06 03:47:08,202 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 141 transitions. [2024-12-06 03:47:08,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-12-06 03:47:08,204 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:47:08,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:47:08,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:47:08,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:47:08,610 INFO L256 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 92 conjuncts are in the unsatisfiable core [2024-12-06 03:47:08,613 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:48:26,802 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 9 proven. 180 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked.