./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_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_1a6e211f-85c4-4077-a1d3-550a5564c977/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a6e211f-85c4-4077-a1d3-550a5564c977/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_1a6e211f-85c4-4077-a1d3-550a5564c977/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a6e211f-85c4-4077-a1d3-550a5564c977/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_valuebound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a6e211f-85c4-4077-a1d3-550a5564c977/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_1a6e211f-85c4-4077-a1d3-550a5564c977/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 5bba06987e8c2f8236800dde4bec4c9d50f427f841de99efa853660259681b37 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:56:00,145 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:56:00,231 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a6e211f-85c4-4077-a1d3-550a5564c977/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 21:56:00,238 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:56:00,238 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:56:00,266 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:56:00,267 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:56:00,267 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:56:00,268 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:56:00,268 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:56:00,268 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:56:00,269 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:56:00,269 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:56:00,269 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:56:00,269 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:56:00,269 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:56:00,270 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:56:00,270 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:56:00,270 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:56:00,270 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:56:00,270 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:56:00,270 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:56:00,271 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:56:00,271 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:56:00,271 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:56:00,271 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:56:00,271 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:56:00,272 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:56:00,272 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:56:00,272 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:56:00,272 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:56:00,272 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:56:00,273 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:56:00,273 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_1a6e211f-85c4-4077-a1d3-550a5564c977/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 -> 5bba06987e8c2f8236800dde4bec4c9d50f427f841de99efa853660259681b37 [2024-11-13 21:56:00,626 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:56:00,637 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:56:00,640 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:56:00,642 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:56:00,643 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:56:00,646 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a6e211f-85c4-4077-a1d3-550a5564c977/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_valuebound100.c Unable to find full path for "g++" [2024-11-13 21:56:02,998 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:56:03,361 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:56:03,361 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a6e211f-85c4-4077-a1d3-550a5564c977/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_valuebound100.c [2024-11-13 21:56:03,370 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a6e211f-85c4-4077-a1d3-550a5564c977/bin/ukojak-verify-EEHR8qb7sm/data/6cd5403de/5df43f96e59f4e7cb5b8dde777b3c26a/FLAG6df851aa8 [2024-11-13 21:56:03,385 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a6e211f-85c4-4077-a1d3-550a5564c977/bin/ukojak-verify-EEHR8qb7sm/data/6cd5403de/5df43f96e59f4e7cb5b8dde777b3c26a [2024-11-13 21:56:03,388 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:56:03,389 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:56:03,391 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:56:03,391 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:56:03,395 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:56:03,396 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:56:03" (1/1) ... [2024-11-13 21:56:03,397 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78135d22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:56:03, skipping insertion in model container [2024-11-13 21:56:03,398 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:56:03" (1/1) ... [2024-11-13 21:56:03,413 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:56:03,578 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_1a6e211f-85c4-4077-a1d3-550a5564c977/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_valuebound100.c[525,538] [2024-11-13 21:56:03,626 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:56:03,636 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:56:03,647 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_1a6e211f-85c4-4077-a1d3-550a5564c977/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_valuebound100.c[525,538] [2024-11-13 21:56:03,661 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:56:03,675 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:56:03,676 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:56:03 WrapperNode [2024-11-13 21:56:03,676 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:56:03,677 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:56:03,677 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:56:03,677 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:56:03,684 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:56:03" (1/1) ... [2024-11-13 21:56:03,690 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:56:03" (1/1) ... [2024-11-13 21:56:03,719 INFO L138 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 51 [2024-11-13 21:56:03,719 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:56:03,720 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:56:03,720 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:56:03,720 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:56:03,730 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:56:03" (1/1) ... [2024-11-13 21:56:03,731 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:56:03" (1/1) ... [2024-11-13 21:56:03,733 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:56:03" (1/1) ... [2024-11-13 21:56:03,733 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:56:03" (1/1) ... [2024-11-13 21:56:03,740 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:56:03" (1/1) ... [2024-11-13 21:56:03,748 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:56:03" (1/1) ... [2024-11-13 21:56:03,749 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:56:03" (1/1) ... [2024-11-13 21:56:03,750 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:56:03" (1/1) ... [2024-11-13 21:56:03,754 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:56:03,755 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:56:03,755 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:56:03,755 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:56:03,756 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:56:03" (1/1) ... [2024-11-13 21:56:03,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:56:03,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a6e211f-85c4-4077-a1d3-550a5564c977/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:56:03,796 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a6e211f-85c4-4077-a1d3-550a5564c977/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:56:03,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a6e211f-85c4-4077-a1d3-550a5564c977/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:56:03,830 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:56:03,830 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 21:56:03,830 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 21:56:03,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:56:03,831 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:56:03,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:56:03,831 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 21:56:03,831 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 21:56:03,903 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:56:03,905 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:56:04,154 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-13 21:56:04,155 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:56:04,216 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:56:04,216 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 21:56:04,216 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:56:04 BoogieIcfgContainer [2024-11-13 21:56:04,217 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:56:04,220 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:56:04,221 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:56:04,232 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:56:04,232 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:56:04" (1/1) ... [2024-11-13 21:56:04,241 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:56:04,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:56:04,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 27 states and 40 transitions. [2024-11-13 21:56:04,308 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 40 transitions. [2024-11-13 21:56:04,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 21:56:04,312 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:56:04,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:56:04,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:04,484 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 21:56:04,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:56:04,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 27 states and 37 transitions. [2024-11-13 21:56:04,532 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2024-11-13 21:56:04,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 21:56:04,532 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:56:04,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:56:04,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:05,159 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 21:56:15,410 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 21:56:15,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:56:15,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 33 states and 55 transitions. [2024-11-13 21:56:15,551 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 55 transitions. [2024-11-13 21:56:15,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 21:56:15,555 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:56:15,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:56:15,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:16,304 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:56:17,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:56:17,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 35 states and 58 transitions. [2024-11-13 21:56:17,040 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 58 transitions. [2024-11-13 21:56:17,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 21:56:17,041 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:56:17,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:56:17,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:56:17,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:17,138 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 21:56:17,146 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:56:17,603 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:56:18,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:56:18,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 38 states and 64 transitions. [2024-11-13 21:56:18,592 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 64 transitions. [2024-11-13 21:56:18,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 21:56:18,593 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:56:18,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:56:18,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:56:18,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:18,650 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 21:56:18,652 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:56:18,916 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 21:56:20,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:56:20,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 41 states and 71 transitions. [2024-11-13 21:56:20,184 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 71 transitions. [2024-11-13 21:56:20,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 21:56:20,184 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:56:20,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:56:20,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:56:20,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:20,231 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 21:56:20,233 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:56:20,384 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 21:56:31,410 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 21:56:31,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:56:31,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 45 states and 80 transitions. [2024-11-13 21:56:31,443 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 80 transitions. [2024-11-13 21:56:31,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:56:31,447 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:56:31,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:56:31,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:56:31,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:31,534 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 21:56:31,537 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:56:31,639 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-13 21:56:32,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:56:32,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 48 states and 85 transitions. [2024-11-13 21:56:32,956 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 85 transitions. [2024-11-13 21:56:32,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-13 21:56:32,956 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:56:32,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:56:32,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:56:33,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:33,013 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-13 21:56:33,016 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:56:33,292 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-13 21:56:43,764 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:56:48,356 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.55s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 21:56:48,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:56:48,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 50 states and 90 transitions. [2024-11-13 21:56:48,422 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 90 transitions. [2024-11-13 21:56:48,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:56:48,423 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:56:48,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:56:48,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:56:48,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:48,541 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 21:56:48,545 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:56:49,130 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-13 21:57:00,375 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 21:57:00,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:57:00,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 52 states and 95 transitions. [2024-11-13 21:57:00,436 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 95 transitions. [2024-11-13 21:57:00,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-13 21:57:00,437 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:57:00,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:57:00,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:57:00,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:00,584 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 21:57:00,587 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:57:00,758 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-13 21:57:10,919 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 21:57:20,941 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 21:57:20,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:57:20,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 53 states and 99 transitions. [2024-11-13 21:57:20,980 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 99 transitions. [2024-11-13 21:57:20,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-13 21:57:20,981 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:57:20,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:57:21,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:57:21,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:21,081 INFO L255 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 21:57:21,083 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:57:21,246 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-13 21:57:41,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:57:41,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 54 states and 100 transitions. [2024-11-13 21:57:41,870 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 100 transitions. [2024-11-13 21:57:41,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-13 21:57:41,874 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:57:41,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:57:41,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:43,735 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 12 proven. 10 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-13 21:57:50,271 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 21:57:50,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:57:50,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 56 states and 104 transitions. [2024-11-13 21:57:50,360 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 104 transitions. [2024-11-13 21:57:50,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-13 21:57:50,362 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:57:50,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:57:50,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:57:50,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:50,437 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-13 21:57:50,439 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:57:51,834 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 26 proven. 2 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-13 21:58:07,942 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 12.63s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 21:58:22,726 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 21:58:22,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:58:22,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 62 states and 116 transitions. [2024-11-13 21:58:22,744 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 116 transitions. [2024-11-13 21:58:22,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-13 21:58:22,746 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:58:22,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:58:22,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:23,478 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-11-13 21:58:44,816 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.77s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 21:58:51,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:58:51,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 70 states and 139 transitions. [2024-11-13 21:58:51,937 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 139 transitions. [2024-11-13 21:58:51,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-13 21:58:51,938 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:58:51,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:58:51,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:52,078 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-11-13 21:58:52,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:58:52,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 72 states and 142 transitions. [2024-11-13 21:58:52,184 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 142 transitions. [2024-11-13 21:58:52,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-13 21:58:52,186 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:58:52,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:58:52,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:58,343 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-11-13 21:59:30,755 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 21:59:57,699 WARN L286 SmtUtils]: Spent 10.35s on a formula simplification that was a NOOP. DAG size: 45 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:00:06,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:06,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 84 states and 167 transitions. [2024-11-13 22:00:06,609 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 167 transitions. [2024-11-13 22:00:06,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-13 22:00:06,611 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:06,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:00:06,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:00:06,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:06,686 INFO L255 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 22:00:06,688 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:06,860 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2024-11-13 22:00:16,919 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:00:16,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:16,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 85 states and 170 transitions. [2024-11-13 22:00:16,962 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 170 transitions. [2024-11-13 22:00:16,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-13 22:00:16,964 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:16,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:00:17,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:32,387 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 12 proven. 8 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-11-13 22:01:13,663 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.13s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 22:01:54,594 WARN L286 SmtUtils]: Spent 11.09s 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) [2024-11-13 22:02:04,598 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 22:02:06,799 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 22:02:33,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:02:33,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 97 states and 190 transitions. [2024-11-13 22:02:33,544 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 190 transitions. [2024-11-13 22:02:33,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-13 22:02:33,546 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:02:33,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:02:33,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:02:33,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:33,734 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-13 22:02:33,737 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:02:38,339 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 25 proven. 12 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-11-13 22:02:48,875 WARN L286 SmtUtils]: Spent 8.85s on a formula simplification. DAG size of input: 47 DAG size of output: 45 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:03:23,424 WARN L286 SmtUtils]: Spent 24.16s on a formula simplification. DAG size of input: 49 DAG size of output: 43 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:03:38,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:03:38,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 103 states and 203 transitions. [2024-11-13 22:03:38,320 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 203 transitions. [2024-11-13 22:03:38,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-13 22:03:38,321 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:03:38,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:03:38,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:44,801 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 12 proven. 14 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-11-13 22:04:04,773 WARN L286 SmtUtils]: Spent 6.19s on a formula simplification. DAG size of input: 74 DAG size of output: 43 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:04:35,889 WARN L286 SmtUtils]: Spent 11.53s on a formula simplification. DAG size of input: 74 DAG size of output: 73 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:04:56,388 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 22:05:03,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:05:03,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 115 states and 227 transitions. [2024-11-13 22:05:03,492 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 227 transitions. [2024-11-13 22:05:03,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-13 22:05:03,493 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:05:03,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:05:03,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:05:03,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:03,576 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-13 22:05:03,580 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:05:06,168 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 33 proven. 5 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 22:05:13,467 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.46s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 22:05:13,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:05:13,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 117 states and 232 transitions. [2024-11-13 22:05:13,496 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 232 transitions. [2024-11-13 22:05:13,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-13 22:05:13,499 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:05:13,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:05:13,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:05:13,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:05:13,905 INFO L255 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-13 22:05:13,907 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:05:17,215 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 25 proven. 16 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-11-13 22:05:53,911 WARN L286 SmtUtils]: Spent 35.49s on a formula simplification. DAG size of input: 45 DAG size of output: 44 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:06:08,080 WARN L286 SmtUtils]: Spent 12.24s on a formula simplification that was a NOOP. DAG size: 45 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:06:35,998 WARN L286 SmtUtils]: Spent 25.74s on a formula simplification. DAG size of input: 43 DAG size of output: 42 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:06:53,058 WARN L286 SmtUtils]: Spent 15.22s 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) [2024-11-13 22:07:01,461 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.40s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 22:07:56,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:07:56,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 122 states and 243 transitions. [2024-11-13 22:07:56,574 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 243 transitions. [2024-11-13 22:07:56,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-13 22:07:56,575 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:07:56,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:07:56,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:08:05,260 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 12 proven. 22 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-11-13 22:08:58,504 WARN L286 SmtUtils]: Spent 5.19s on a formula simplification. DAG size of input: 82 DAG size of output: 81 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:09:13,391 WARN L286 SmtUtils]: Spent 11.20s on a formula simplification that was a NOOP. DAG size: 40 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:09:16,651 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.26s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 22:09:39,224 WARN L286 SmtUtils]: Spent 10.95s on a formula simplification. DAG size of input: 78 DAG size of output: 37 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:09:52,251 WARN L286 SmtUtils]: Spent 7.81s on a formula simplification. DAG size of input: 80 DAG size of output: 79 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:10:17,420 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 12.61s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 22:10:25,232 WARN L286 SmtUtils]: Spent 5.21s on a formula simplification. DAG size of input: 81 DAG size of output: 80 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:10:31,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:10:31,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 134 states and 269 transitions. [2024-11-13 22:10:31,581 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 269 transitions. [2024-11-13 22:10:31,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-13 22:10:31,583 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:10:31,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:10:31,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:10:31,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:10:31,738 INFO L255 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-13 22:10:31,740 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:10:35,276 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 27 proven. 16 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2024-11-13 22:10:40,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:10:40,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 138 states and 278 transitions. [2024-11-13 22:10:40,654 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 278 transitions. [2024-11-13 22:10:40,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-13 22:10:40,655 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:10:40,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:10:40,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:10:41,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:10:41,136 INFO L255 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-13 22:10:41,139 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:10:46,460 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 39 proven. 20 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked.