./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound100.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_5756720c-61a9-4e2d-ac32-3550b732a984/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5756720c-61a9-4e2d-ac32-3550b732a984/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_5756720c-61a9-4e2d-ac32-3550b732a984/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5756720c-61a9-4e2d-ac32-3550b732a984/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5756720c-61a9-4e2d-ac32-3550b732a984/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_5756720c-61a9-4e2d-ac32-3550b732a984/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 2c8fdf04e21dc87978be420c24093b18a0079e8ae701300012baeffbaef15472 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:48:31,592 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:48:31,662 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5756720c-61a9-4e2d-ac32-3550b732a984/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 21:48:31,668 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:48:31,668 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:48:31,710 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:48:31,715 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:48:31,715 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:48:31,715 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:48:31,715 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:48:31,716 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:48:31,716 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:48:31,716 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:48:31,716 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:48:31,716 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:48:31,716 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:48:31,717 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:48:31,717 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:48:31,717 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:48:31,717 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:48:31,717 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:48:31,717 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:48:31,717 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:48:31,717 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:48:31,717 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:48:31,717 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:48:31,718 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:48:31,718 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:48:31,718 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:48:31,718 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:48:31,718 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:48:31,718 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:48:31,718 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:48:31,718 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_5756720c-61a9-4e2d-ac32-3550b732a984/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 -> 2c8fdf04e21dc87978be420c24093b18a0079e8ae701300012baeffbaef15472 [2024-11-13 21:48:32,076 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:48:32,090 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:48:32,093 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:48:32,094 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:48:32,095 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:48:32,096 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5756720c-61a9-4e2d-ac32-3550b732a984/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound100.c Unable to find full path for "g++" [2024-11-13 21:48:34,050 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:48:34,333 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:48:34,337 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5756720c-61a9-4e2d-ac32-3550b732a984/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound100.c [2024-11-13 21:48:34,347 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5756720c-61a9-4e2d-ac32-3550b732a984/bin/ukojak-verify-EEHR8qb7sm/data/0ef9377fb/e2090280b2f142ef9b00c0f2f4549cd5/FLAG186c636bd [2024-11-13 21:48:34,376 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5756720c-61a9-4e2d-ac32-3550b732a984/bin/ukojak-verify-EEHR8qb7sm/data/0ef9377fb/e2090280b2f142ef9b00c0f2f4549cd5 [2024-11-13 21:48:34,379 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:48:34,382 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:48:34,384 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:48:34,384 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:48:34,391 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:48:34,393 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:48:34" (1/1) ... [2024-11-13 21:48:34,394 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a09860c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:48:34, skipping insertion in model container [2024-11-13 21:48:34,395 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:48:34" (1/1) ... [2024-11-13 21:48:34,421 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:48:34,588 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_5756720c-61a9-4e2d-ac32-3550b732a984/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound100.c[525,538] [2024-11-13 21:48:34,608 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:48:34,618 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:48:34,629 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_5756720c-61a9-4e2d-ac32-3550b732a984/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound100.c[525,538] [2024-11-13 21:48:34,639 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:48:34,656 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:48:34,657 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:48:34 WrapperNode [2024-11-13 21:48:34,657 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:48:34,658 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:48:34,658 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:48:34,658 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:48:34,665 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:48:34" (1/1) ... [2024-11-13 21:48:34,672 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:48:34" (1/1) ... [2024-11-13 21:48:34,688 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 39 [2024-11-13 21:48:34,689 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:48:34,690 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:48:34,690 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:48:34,691 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:48:34,697 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:48:34" (1/1) ... [2024-11-13 21:48:34,698 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:48:34" (1/1) ... [2024-11-13 21:48:34,703 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:48:34" (1/1) ... [2024-11-13 21:48:34,704 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:48:34" (1/1) ... [2024-11-13 21:48:34,710 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:48:34" (1/1) ... [2024-11-13 21:48:34,716 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:48:34" (1/1) ... [2024-11-13 21:48:34,717 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:48:34" (1/1) ... [2024-11-13 21:48:34,718 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:48:34" (1/1) ... [2024-11-13 21:48:34,719 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:48:34,722 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:48:34,722 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:48:34,722 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:48:34,723 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:48:34" (1/1) ... [2024-11-13 21:48:34,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:48:34,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5756720c-61a9-4e2d-ac32-3550b732a984/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:48:34,761 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5756720c-61a9-4e2d-ac32-3550b732a984/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:48:34,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5756720c-61a9-4e2d-ac32-3550b732a984/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:48:34,797 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:48:34,797 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 21:48:34,797 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 21:48:34,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:48:34,799 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:48:34,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:48:34,799 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 21:48:34,799 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 21:48:34,872 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:48:34,874 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:48:35,052 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-13 21:48:35,052 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:48:35,091 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:48:35,092 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:48:35,092 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:48:35 BoogieIcfgContainer [2024-11-13 21:48:35,092 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:48:35,093 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:48:35,093 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:48:35,107 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:48:35,107 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:48:35" (1/1) ... [2024-11-13 21:48:35,119 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:48:35,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:48:35,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2024-11-13 21:48:35,195 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2024-11-13 21:48:35,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 21:48:35,201 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:48:35,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:48:35,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:48:35,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:48:35,389 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 21:48:35,395 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:48:35,585 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:48:35,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:48:35,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 23 states and 29 transitions. [2024-11-13 21:48:35,768 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 29 transitions. [2024-11-13 21:48:35,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 21:48:35,771 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:48:35,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:48:35,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:48:36,314 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:48:36,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:48:36,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 23 states and 27 transitions. [2024-11-13 21:48:36,836 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2024-11-13 21:48:36,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 21:48:36,837 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:48:36,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:48:36,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:48:36,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:48:36,936 INFO L255 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-13 21:48:36,940 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:48:37,612 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 21:48:55,571 WARN L286 SmtUtils]: Spent 10.08s on a formula simplification that was a NOOP. DAG size: 21 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:49:03,922 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.55s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 21:49:03,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:49:03,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 28 states and 37 transitions. [2024-11-13 21:49:03,955 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 37 transitions. [2024-11-13 21:49:03,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-13 21:49:03,956 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:49:03,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:49:04,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:49:04,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:49:04,093 INFO L255 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-13 21:49:04,096 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:49:04,392 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 21:49:12,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:49:12,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 31 states and 43 transitions. [2024-11-13 21:49:12,235 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2024-11-13 21:49:12,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-13 21:49:12,236 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:49:12,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:49:12,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:49:12,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:49:12,317 INFO L255 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-13 21:49:12,320 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:49:12,746 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 11 proven. 17 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:49:21,023 WARN L286 SmtUtils]: Spent 8.06s on a formula simplification that was a NOOP. DAG size: 32 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:49:27,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:49:27,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 34 states and 48 transitions. [2024-11-13 21:49:27,969 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 48 transitions. [2024-11-13 21:49:27,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-13 21:49:27,970 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:49:27,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:49:28,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:49:28,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:49:28,118 INFO L255 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-13 21:49:28,121 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:49:28,519 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 8 proven. 27 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-13 21:49:34,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:49:34,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 37 states and 53 transitions. [2024-11-13 21:49:34,825 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 53 transitions. [2024-11-13 21:49:34,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-13 21:49:34,826 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:49:34,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:49:34,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:49:35,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:49:35,003 INFO L255 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-13 21:49:35,006 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:49:35,446 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 20 proven. 49 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-11-13 21:49:47,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:49:47,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 40 states and 58 transitions. [2024-11-13 21:49:47,737 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 58 transitions. [2024-11-13 21:49:47,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-13 21:49:47,739 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:49:47,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:49:47,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:49:47,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:49:47,858 INFO L255 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-13 21:49:47,862 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:49:48,393 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 17 proven. 68 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-13 21:49:58,508 WARN L286 SmtUtils]: Spent 9.48s on a formula simplification that was a NOOP. DAG size: 50 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:50:06,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:50:06,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 43 states and 63 transitions. [2024-11-13 21:50:06,174 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 63 transitions. [2024-11-13 21:50:06,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-13 21:50:06,175 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:50:06,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:50:06,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:50:06,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:50:06,380 INFO L255 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-13 21:50:06,383 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:50:07,129 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 14 proven. 78 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-11-13 21:50:37,313 WARN L286 SmtUtils]: Spent 19.74s on a formula simplification that was a NOOP. DAG size: 57 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:50:42,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:50:42,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 68 transitions. [2024-11-13 21:50:42,387 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 68 transitions. [2024-11-13 21:50:42,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-13 21:50:42,390 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:50:42,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:50:42,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:50:42,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:50:42,647 INFO L255 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-11-13 21:50:42,651 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:50:43,660 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 36 proven. 102 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 21:51:19,975 WARN L286 SmtUtils]: Spent 34.17s 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) [2024-11-13 21:51:44,378 WARN L286 SmtUtils]: Spent 7.39s on a formula simplification that was a NOOP. DAG size: 63 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:51:52,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:51:52,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 49 states and 73 transitions. [2024-11-13 21:51:52,159 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 73 transitions. [2024-11-13 21:51:52,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-13 21:51:52,161 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:51:52,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:51:52,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:51:52,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:52,572 INFO L255 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 46 conjuncts are in the unsatisfiable core [2024-11-13 21:51:52,578 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:51:53,801 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 18 proven. 127 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-11-13 21:52:14,899 WARN L286 SmtUtils]: Spent 18.20s on a formula simplification that was a NOOP. DAG size: 68 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:52:49,466 WARN L286 SmtUtils]: Spent 32.93s on a formula simplification that was a NOOP. DAG size: 69 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:53:20,375 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.11s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 21:53:20,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:20,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 52 states and 78 transitions. [2024-11-13 21:53:20,612 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2024-11-13 21:53:20,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-13 21:53:20,613 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:20,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:53:20,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:53:20,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:20,978 INFO L255 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-11-13 21:53:20,981 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:53:22,550 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 20 proven. 156 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2024-11-13 21:55:11,441 WARN L286 SmtUtils]: Spent 1.41m on a formula simplification that was a NOOP. DAG size: 74 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:56:04,306 WARN L286 SmtUtils]: Spent 47.02s on a formula simplification that was a NOOP. DAG size: 75 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:56:47,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:56:47,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 55 states and 83 transitions. [2024-11-13 21:56:47,220 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 83 transitions. [2024-11-13 21:56:47,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-13 21:56:47,221 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:56:47,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:56:47,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:56:47,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:47,715 INFO L255 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 99 conjuncts are in the unsatisfiable core [2024-11-13 21:56:47,719 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:56:50,504 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 67 proven. 197 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2024-11-13 21:58:14,276 WARN L286 SmtUtils]: Spent 55.52s on a formula simplification that was a NOOP. DAG size: 80 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:00:28,217 WARN L286 SmtUtils]: Spent 1.78m on a formula simplification that was a NOOP. DAG size: 81 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:01:30,190 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.86s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 22:01:42,766 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 12.31s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 22:01:47,349 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.42s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 22:01:47,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:01:47,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 58 states and 88 transitions. [2024-11-13 22:01:47,367 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 88 transitions. [2024-11-13 22:01:47,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-13 22:01:47,369 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:01:47,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:01:47,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:01:47,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:01:47,708 INFO L255 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 58 conjuncts are in the unsatisfiable core [2024-11-13 22:01:47,710 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:01:52,413 INFO L134 CoverageAnalysis]: Checked inductivity of 512 backedges. 24 proven. 223 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked.