./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound5.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_0c92deb3-664f-4e09-bfe3-c00be9e681d0/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c92deb3-664f-4e09-bfe3-c00be9e681d0/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_0c92deb3-664f-4e09-bfe3-c00be9e681d0/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c92deb3-664f-4e09-bfe3-c00be9e681d0/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c92deb3-664f-4e09-bfe3-c00be9e681d0/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_0c92deb3-664f-4e09-bfe3-c00be9e681d0/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 7f12bfc45347636ba11cd9198984e4ca6a9fb471afaf773fd02be6e88eb44e8c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:11:31,233 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:11:31,341 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c92deb3-664f-4e09-bfe3-c00be9e681d0/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 23:11:31,351 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:11:31,352 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 23:11:31,391 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:11:31,392 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:11:31,393 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:11:31,393 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:11:31,394 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:11:31,395 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:11:31,396 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:11:31,396 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 23:11:31,396 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 23:11:31,396 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 23:11:31,396 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:11:31,396 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:11:31,396 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:11:31,396 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:11:31,396 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:11:31,396 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 23:11:31,396 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:11:31,397 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:11:31,397 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:11:31,397 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:11:31,397 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:11:31,397 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:11:31,397 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:11:31,397 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:11:31,397 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:11:31,397 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:11:31,397 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 23:11:31,398 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 23:11:31,398 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_0c92deb3-664f-4e09-bfe3-c00be9e681d0/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 -> 7f12bfc45347636ba11cd9198984e4ca6a9fb471afaf773fd02be6e88eb44e8c [2024-11-13 23:11:31,760 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:11:31,774 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:11:31,780 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:11:31,781 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:11:31,782 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:11:31,784 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c92deb3-664f-4e09-bfe3-c00be9e681d0/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound5.c Unable to find full path for "g++" [2024-11-13 23:11:33,819 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:11:34,075 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:11:34,075 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c92deb3-664f-4e09-bfe3-c00be9e681d0/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound5.c [2024-11-13 23:11:34,084 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c92deb3-664f-4e09-bfe3-c00be9e681d0/bin/ukojak-verify-EEHR8qb7sm/data/0abb1a51e/e422072312b84e0ba8b95d19abdea478/FLAG9509abf4d [2024-11-13 23:11:34,101 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c92deb3-664f-4e09-bfe3-c00be9e681d0/bin/ukojak-verify-EEHR8qb7sm/data/0abb1a51e/e422072312b84e0ba8b95d19abdea478 [2024-11-13 23:11:34,103 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:11:34,105 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:11:34,106 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:11:34,106 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:11:34,112 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:11:34,113 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:11:34" (1/1) ... [2024-11-13 23:11:34,114 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3811964 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:11:34, skipping insertion in model container [2024-11-13 23:11:34,114 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:11:34" (1/1) ... [2024-11-13 23:11:34,131 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:11:34,337 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_0c92deb3-664f-4e09-bfe3-c00be9e681d0/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound5.c[524,537] [2024-11-13 23:11:34,372 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:11:34,384 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:11:34,401 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_0c92deb3-664f-4e09-bfe3-c00be9e681d0/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound5.c[524,537] [2024-11-13 23:11:34,419 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:11:34,437 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:11:34,437 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:11:34 WrapperNode [2024-11-13 23:11:34,437 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:11:34,438 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:11:34,438 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:11:34,438 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:11:34,445 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:11:34" (1/1) ... [2024-11-13 23:11:34,452 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:11:34" (1/1) ... [2024-11-13 23:11:34,472 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 59 [2024-11-13 23:11:34,472 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:11:34,473 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:11:34,473 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:11:34,473 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:11:34,482 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:11:34" (1/1) ... [2024-11-13 23:11:34,482 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:11:34" (1/1) ... [2024-11-13 23:11:34,484 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:11:34" (1/1) ... [2024-11-13 23:11:34,484 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:11:34" (1/1) ... [2024-11-13 23:11:34,488 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:11:34" (1/1) ... [2024-11-13 23:11:34,492 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:11:34" (1/1) ... [2024-11-13 23:11:34,493 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:11:34" (1/1) ... [2024-11-13 23:11:34,494 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:11:34" (1/1) ... [2024-11-13 23:11:34,496 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:11:34,497 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:11:34,497 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:11:34,497 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:11:34,498 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:11:34" (1/1) ... [2024-11-13 23:11:34,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:11:34,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c92deb3-664f-4e09-bfe3-c00be9e681d0/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:11:34,538 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c92deb3-664f-4e09-bfe3-c00be9e681d0/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:11:34,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c92deb3-664f-4e09-bfe3-c00be9e681d0/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:11:34,571 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:11:34,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 23:11:34,571 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:11:34,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:11:34,571 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 23:11:34,571 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 23:11:34,643 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:11:34,644 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:11:34,847 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-13 23:11:34,848 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:11:34,968 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:11:34,968 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 23:11:34,969 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:11:34 BoogieIcfgContainer [2024-11-13 23:11:34,969 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:11:34,970 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:11:34,970 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:11:34,991 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:11:34,991 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:11:34" (1/1) ... [2024-11-13 23:11:35,004 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:11:35,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:11:35,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2024-11-13 23:11:35,079 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2024-11-13 23:11:35,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 23:11:35,081 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:11:35,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:11:35,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:11:35,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:11:35,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:11:35,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2024-11-13 23:11:35,271 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2024-11-13 23:11:35,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 23:11:35,271 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:11:35,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:11:35,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:11:35,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:11:35,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:11:35,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2024-11-13 23:11:35,497 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2024-11-13 23:11:35,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 23:11:35,497 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:11:35,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:11:35,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:11:35,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:11:35,564 INFO L255 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:11:35,568 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:11:35,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:11:36,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:11:36,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2024-11-13 23:11:36,255 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2024-11-13 23:11:36,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 23:11:36,261 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:11:36,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:11:36,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:11:36,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:11:36,348 INFO L255 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 23:11:36,351 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:11:36,860 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:11:37,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:11:37,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 26 states and 46 transitions. [2024-11-13 23:11:37,912 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 46 transitions. [2024-11-13 23:11:37,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 23:11:37,913 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:11:37,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:11:37,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:11:38,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:11:38,031 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-13 23:11:38,035 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:11:39,744 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:11:43,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:11:43,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 30 states and 57 transitions. [2024-11-13 23:11:43,935 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 57 transitions. [2024-11-13 23:11:43,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 23:11:43,936 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:11:43,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:11:43,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:11:44,223 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:11:45,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:11:45,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 34 states and 69 transitions. [2024-11-13 23:11:45,023 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 69 transitions. [2024-11-13 23:11:45,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 23:11:45,024 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:11:45,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:11:45,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:11:45,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:11:45,107 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-13 23:11:45,109 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:11:46,082 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:11:48,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:11:48,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 36 states and 72 transitions. [2024-11-13 23:11:48,023 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 72 transitions. [2024-11-13 23:11:48,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 23:11:48,024 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:11:48,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:11:48,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:11:48,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:11:48,081 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 23:11:48,082 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:11:48,356 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 23:11:48,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:11:48,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 38 states and 80 transitions. [2024-11-13 23:11:48,888 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 80 transitions. [2024-11-13 23:11:48,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 23:11:48,889 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:11:48,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:11:48,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:11:48,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:11:48,950 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 23:11:48,951 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:11:49,374 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 23:11:53,294 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 23:11:53,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:11:53,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 40 states and 86 transitions. [2024-11-13 23:11:53,535 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 86 transitions. [2024-11-13 23:11:53,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 23:11:53,536 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:11:53,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:11:53,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:11:53,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:11:53,704 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-13 23:11:53,706 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:12:09,010 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 23:12:31,899 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 23:12:44,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:12:44,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 44 states and 99 transitions. [2024-11-13 23:12:44,951 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 99 transitions. [2024-11-13 23:12:44,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 23:12:44,953 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:12:44,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:12:45,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:12:45,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:12:45,113 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-13 23:12:45,116 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:12:54,718 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 23:13:12,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:13:12,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 45 states and 104 transitions. [2024-11-13 23:13:12,373 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 104 transitions. [2024-11-13 23:13:12,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 23:13:12,375 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:13:12,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:13:12,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:13:12,889 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 23:13:17,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:13:17,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 49 states and 124 transitions. [2024-11-13 23:13:17,594 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 124 transitions. [2024-11-13 23:13:17,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 23:13:17,597 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:13:17,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:13:17,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:13:17,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:13:17,755 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-13 23:13:17,758 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:13:27,926 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 23:13:37,607 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.36s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 23:13:47,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:13:47,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 51 states and 128 transitions. [2024-11-13 23:13:47,429 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 128 transitions. [2024-11-13 23:13:47,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 23:13:47,431 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:13:47,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:13:47,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:13:47,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:13:47,587 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-13 23:13:47,589 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:13:52,435 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 23:14:02,937 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.71s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 23:14:09,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:14:09,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 53 states and 131 transitions. [2024-11-13 23:14:09,938 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 131 transitions. [2024-11-13 23:14:09,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 23:14:09,940 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:14:09,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:14:09,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:14:10,046 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 23:14:12,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:14:12,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 54 states and 131 transitions. [2024-11-13 23:14:12,505 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 131 transitions. [2024-11-13 23:14:12,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 23:14:12,506 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:14:12,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:14:12,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:14:12,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:14:12,559 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:14:12,563 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:14:12,961 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 23:14:14,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:14:14,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 56 states and 136 transitions. [2024-11-13 23:14:14,974 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 136 transitions. [2024-11-13 23:14:14,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 23:14:14,975 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:14:14,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:14:15,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:14:15,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:14:15,294 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-13 23:14:15,296 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:14:35,421 WARN L286 SmtUtils]: Spent 8.80s on a formula simplification. DAG size of input: 10 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 23:15:19,534 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 3 proven. 24 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 23:16:48,141 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 23:17:49,585 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.62s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 23:17:54,667 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.92s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 23:18:01,156 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.39s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 23:18:01,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:01,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 60 states and 152 transitions. [2024-11-13 23:18:01,205 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 152 transitions. [2024-11-13 23:18:01,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 23:18:01,206 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:01,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:18:01,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:18:01,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:01,706 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-13 23:18:01,708 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:54,226 WARN L286 SmtUtils]: Spent 10.15s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 23:19:05,262 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 3 proven. 24 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 23:19:53,232 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 [0] [2024-11-13 23:20:36,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:20:36,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 62 states and 156 transitions. [2024-11-13 23:20:36,247 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 156 transitions. [2024-11-13 23:20:36,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 23:20:36,247 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:20:36,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:20:36,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:20:37,433 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 23:21:04,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:21:04,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 66 states and 179 transitions. [2024-11-13 23:21:04,511 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 179 transitions. [2024-11-13 23:21:04,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 23:21:04,512 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:21:04,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:21:04,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:21:05,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:21:05,017 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-13 23:21:05,020 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:21:47,510 WARN L286 SmtUtils]: Spent 10.16s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 23:22:02,735 WARN L286 SmtUtils]: Spent 10.15s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 23:22:26,569 WARN L286 SmtUtils]: Spent 20.01s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 23:22:46,660 WARN L286 SmtUtils]: Spent 20.09s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 23:22:56,879 WARN L286 SmtUtils]: Spent 10.22s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 23:23:12,064 WARN L286 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 23:23:23,336 WARN L286 SmtUtils]: Spent 11.27s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 23:23:43,401 WARN L286 SmtUtils]: Spent 20.06s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 23:23:56,218 WARN L286 SmtUtils]: Spent 12.82s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 23:24:07,405 WARN L286 SmtUtils]: Spent 10.03s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 23:24:16,616 WARN L286 SmtUtils]: Spent 5.22s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 23:24:28,686 WARN L286 SmtUtils]: Spent 10.03s on a formula simplification that was a NOOP. DAG size: 14 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 23:24:38,699 WARN L286 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 23:24:48,711 WARN L286 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 23:25:01,514 WARN L286 SmtUtils]: Spent 10.98s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 23:25:10,973 WARN L286 SmtUtils]: Spent 5.37s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 23:25:22,666 WARN L286 SmtUtils]: Spent 11.10s on a formula simplification. DAG size of input: 4 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 23:25:38,544 WARN L286 SmtUtils]: Spent 7.96s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 23:25:55,725 WARN L286 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 14 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 23:26:05,743 WARN L286 SmtUtils]: Spent 10.02s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 23:26:16,220 WARN L286 SmtUtils]: Spent 10.48s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)