./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_unwindbound10.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_fbaf8857-f143-46f9-97cd-cb4f3b1f06b6/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbaf8857-f143-46f9-97cd-cb4f3b1f06b6/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_fbaf8857-f143-46f9-97cd-cb4f3b1f06b6/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbaf8857-f143-46f9-97cd-cb4f3b1f06b6/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_unwindbound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbaf8857-f143-46f9-97cd-cb4f3b1f06b6/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_fbaf8857-f143-46f9-97cd-cb4f3b1f06b6/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 96b71e4fe20331af08d1b5394215c6ca1c246124118142d0900823a256b0e31d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:09:11,689 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:09:11,768 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbaf8857-f143-46f9-97cd-cb4f3b1f06b6/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 22:09:11,773 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:09:11,773 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:09:11,809 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:09:11,811 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:09:11,813 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:09:11,813 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:09:11,813 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:09:11,814 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:09:11,814 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:09:11,814 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:09:11,814 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:09:11,814 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:09:11,814 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:09:11,814 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:09:11,814 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:09:11,814 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:09:11,815 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:09:11,815 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:09:11,815 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:09:11,815 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:09:11,815 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:09:11,815 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:09:11,815 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:09:11,815 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:09:11,816 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:09:11,816 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:09:11,816 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:09:11,816 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:09:11,816 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:09:11,816 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:09:11,816 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_fbaf8857-f143-46f9-97cd-cb4f3b1f06b6/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 -> 96b71e4fe20331af08d1b5394215c6ca1c246124118142d0900823a256b0e31d [2024-11-13 22:09:12,257 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:09:12,270 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:09:12,276 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:09:12,277 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:09:12,278 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:09:12,279 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbaf8857-f143-46f9-97cd-cb4f3b1f06b6/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_unwindbound10.c Unable to find full path for "g++" [2024-11-13 22:09:14,611 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:09:14,912 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:09:14,913 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbaf8857-f143-46f9-97cd-cb4f3b1f06b6/sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_unwindbound10.c [2024-11-13 22:09:14,921 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbaf8857-f143-46f9-97cd-cb4f3b1f06b6/bin/ukojak-verify-EEHR8qb7sm/data/830c0caca/84642fa7154e492dafc4e415e941334b/FLAGf435ad8f9 [2024-11-13 22:09:14,937 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbaf8857-f143-46f9-97cd-cb4f3b1f06b6/bin/ukojak-verify-EEHR8qb7sm/data/830c0caca/84642fa7154e492dafc4e415e941334b [2024-11-13 22:09:14,940 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:09:14,943 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:09:14,946 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:09:14,947 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:09:14,952 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:09:14,954 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:09:14" (1/1) ... [2024-11-13 22:09:14,956 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7791418b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:09:14, skipping insertion in model container [2024-11-13 22:09:14,956 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:09:14" (1/1) ... [2024-11-13 22:09:14,979 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:09:15,189 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_fbaf8857-f143-46f9-97cd-cb4f3b1f06b6/sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_unwindbound10.c[524,537] [2024-11-13 22:09:15,216 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:09:15,228 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:09:15,242 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_fbaf8857-f143-46f9-97cd-cb4f3b1f06b6/sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_unwindbound10.c[524,537] [2024-11-13 22:09:15,250 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:09:15,269 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:09:15,270 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:09:15 WrapperNode [2024-11-13 22:09:15,270 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:09:15,271 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:09:15,271 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:09:15,271 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:09:15,279 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:09:15" (1/1) ... [2024-11-13 22:09:15,287 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:09:15" (1/1) ... [2024-11-13 22:09:15,306 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 46 [2024-11-13 22:09:15,307 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:09:15,308 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:09:15,308 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:09:15,308 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:09:15,316 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:09:15" (1/1) ... [2024-11-13 22:09:15,317 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:09:15" (1/1) ... [2024-11-13 22:09:15,323 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:09:15" (1/1) ... [2024-11-13 22:09:15,324 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:09:15" (1/1) ... [2024-11-13 22:09:15,327 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:09:15" (1/1) ... [2024-11-13 22:09:15,335 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:09:15" (1/1) ... [2024-11-13 22:09:15,343 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:09:15" (1/1) ... [2024-11-13 22:09:15,344 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:09:15" (1/1) ... [2024-11-13 22:09:15,346 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:09:15,346 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:09:15,347 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:09:15,347 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:09:15,349 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:09:15" (1/1) ... [2024-11-13 22:09:15,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:09:15,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbaf8857-f143-46f9-97cd-cb4f3b1f06b6/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:09:15,396 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbaf8857-f143-46f9-97cd-cb4f3b1f06b6/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:09:15,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbaf8857-f143-46f9-97cd-cb4f3b1f06b6/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:09:15,433 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:09:15,434 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 22:09:15,434 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 22:09:15,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:09:15,434 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:09:15,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:09:15,435 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 22:09:15,435 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 22:09:15,522 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:09:15,524 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:09:15,705 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-13 22:09:15,705 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:09:15,753 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:09:15,753 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 22:09:15,753 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:09:15 BoogieIcfgContainer [2024-11-13 22:09:15,754 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:09:15,755 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:09:15,755 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:09:15,769 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:09:15,770 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:09:15" (1/1) ... [2024-11-13 22:09:15,783 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:09:15,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:09:15,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2024-11-13 22:09:15,864 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2024-11-13 22:09:15,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 22:09:15,870 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:09:15,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:09:16,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:09:16,117 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 22:09:16,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:09:16,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 19 states and 22 transitions. [2024-11-13 22:09:16,156 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2024-11-13 22:09:16,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 22:09:16,157 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:09:16,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:09:16,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:09:16,359 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 22:09:16,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:09:16,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 25 transitions. [2024-11-13 22:09:16,471 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2024-11-13 22:09:16,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 22:09:16,471 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:09:16,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:09:16,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:09:16,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:09:16,609 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 22:09:16,621 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:09:17,017 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 22:09:18,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:09:18,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 26 states and 35 transitions. [2024-11-13 22:09:18,331 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 35 transitions. [2024-11-13 22:09:18,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 22:09:18,333 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:09:18,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:09:18,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:09:19,839 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 22:09:21,693 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 22:09:27,479 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 22:09:27,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:09:27,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 35 transitions. [2024-11-13 22:09:27,826 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 35 transitions. [2024-11-13 22:09:27,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 22:09:27,827 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:09:27,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:09:27,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:09:28,131 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 22:09:54,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:09:54,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 31 states and 45 transitions. [2024-11-13 22:09:54,603 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 45 transitions. [2024-11-13 22:09:54,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 22:09:54,605 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:09:54,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:09:54,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:09:54,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:09:54,699 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 22:09:54,702 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:10:07,658 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 22:10:33,825 WARN L286 SmtUtils]: Spent 6.46s on a formula simplification. DAG size of input: 31 DAG size of output: 28 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:10:38,190 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 22:11:26,118 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.77s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 22:11:27,621 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 22:11:59,717 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 22:12:06,293 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.05s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 22:12:13,243 WARN L286 SmtUtils]: Spent 5.67s on a formula simplification that was a NOOP. DAG size: 46 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:12:29,420 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 22:12:30,684 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 22:14:12,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:14:12,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 38 states and 67 transitions. [2024-11-13 22:14:12,211 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 67 transitions. [2024-11-13 22:14:12,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 22:14:12,212 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:14:12,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:14:12,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:14:12,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:14:12,282 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 22:14:12,285 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:15:02,041 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 22:15:50,878 WARN L286 SmtUtils]: Spent 14.13s on a formula simplification. DAG size of input: 51 DAG size of output: 38 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:15:58,939 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.64s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 22:17:27,772 WARN L286 SmtUtils]: Spent 9.12s on a formula simplification. DAG size of input: 45 DAG size of output: 26 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:18:41,729 WARN L286 SmtUtils]: Spent 10.11s on a formula simplification. DAG size of input: 46 DAG size of output: 33 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:19:03,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:19:03,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 38 states and 65 transitions. [2024-11-13 22:19:03,118 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 65 transitions. [2024-11-13 22:19:03,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-13 22:19:03,119 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:19:03,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:19:03,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:19:03,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:19:03,197 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-13 22:19:03,199 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:20:02,258 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 22:20:48,229 WARN L286 SmtUtils]: Spent 40.61s on a formula simplification. DAG size of input: 66 DAG size of output: 51 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:21:37,647 WARN L286 SmtUtils]: Spent 21.23s on a formula simplification. DAG size of input: 67 DAG size of output: 33 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:22:05,567 WARN L286 SmtUtils]: Spent 6.88s on a formula simplification that was a NOOP. DAG size: 52 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:22:54,951 WARN L286 SmtUtils]: Spent 43.61s on a formula simplification. DAG size of input: 66 DAG size of output: 51 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:23:15,510 WARN L286 SmtUtils]: Spent 15.02s on a formula simplification. DAG size of input: 67 DAG size of output: 33 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:23:55,127 WARN L286 SmtUtils]: Spent 11.11s on a formula simplification that was a NOOP. DAG size: 52 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:23:57,416 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 22:24:17,305 WARN L286 SmtUtils]: Spent 7.33s on a formula simplification. DAG size of input: 56 DAG size of output: 36 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)