./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursified_nla-digbench/recursified_hard-u.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c887e178-170e-46ca-9e98-f59aef42cb4f/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c887e178-170e-46ca-9e98-f59aef42cb4f/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c887e178-170e-46ca-9e98-f59aef42cb4f/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c887e178-170e-46ca-9e98-f59aef42cb4f/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_hard-u.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c887e178-170e-46ca-9e98-f59aef42cb4f/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c887e178-170e-46ca-9e98-f59aef42cb4f/bin/ukojak-verify-ENZ3QT5qd3 --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 27783f29349ebae8401558a8bc17fafd87092d54a86e2af0abb3d67f703ff6c0 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:15:51,071 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:15:51,159 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c887e178-170e-46ca-9e98-f59aef42cb4f/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 02:15:51,164 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 02:15:51,164 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 02:15:51,189 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:15:51,190 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:15:51,191 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:15:51,191 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:15:51,191 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:15:51,191 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:15:51,192 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:15:51,192 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 02:15:51,192 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 02:15:51,192 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 02:15:51,192 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:15:51,193 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:15:51,193 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:15:51,193 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:15:51,193 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 02:15:51,193 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:15:51,193 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:15:51,194 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:15:51,194 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:15:51,194 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:15:51,194 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:15:51,194 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:15:51,194 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:15:51,195 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:15:51,195 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:15:51,195 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:15:51,195 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 02:15:51,195 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 02:15:51,195 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_c887e178-170e-46ca-9e98-f59aef42cb4f/bin/ukojak-verify-ENZ3QT5qd3 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 -> 27783f29349ebae8401558a8bc17fafd87092d54a86e2af0abb3d67f703ff6c0 [2024-11-25 02:15:51,500 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:15:51,513 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:15:51,517 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:15:51,521 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:15:51,521 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:15:51,523 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c887e178-170e-46ca-9e98-f59aef42cb4f/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/recursified_nla-digbench/recursified_hard-u.c [2024-11-25 02:15:54,756 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c887e178-170e-46ca-9e98-f59aef42cb4f/bin/ukojak-verify-ENZ3QT5qd3/data/3c8b8f400/8e234fb7c4674c8c805e24620fdfeb73/FLAGd9a5a0673 [2024-11-25 02:15:55,129 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:15:55,130 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c887e178-170e-46ca-9e98-f59aef42cb4f/sv-benchmarks/c/recursified_nla-digbench/recursified_hard-u.c [2024-11-25 02:15:55,148 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c887e178-170e-46ca-9e98-f59aef42cb4f/bin/ukojak-verify-ENZ3QT5qd3/data/3c8b8f400/8e234fb7c4674c8c805e24620fdfeb73/FLAGd9a5a0673 [2024-11-25 02:15:55,174 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c887e178-170e-46ca-9e98-f59aef42cb4f/bin/ukojak-verify-ENZ3QT5qd3/data/3c8b8f400/8e234fb7c4674c8c805e24620fdfeb73 [2024-11-25 02:15:55,177 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:15:55,182 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:15:55,185 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:15:55,185 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:15:55,191 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:15:55,192 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:15:55" (1/1) ... [2024-11-25 02:15:55,195 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6779a389 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:15:55, skipping insertion in model container [2024-11-25 02:15:55,195 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:15:55" (1/1) ... [2024-11-25 02:15:55,223 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:15:55,411 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_c887e178-170e-46ca-9e98-f59aef42cb4f/sv-benchmarks/c/recursified_nla-digbench/recursified_hard-u.c[1080,1093] [2024-11-25 02:15:55,438 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:15:55,450 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:15:55,465 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_c887e178-170e-46ca-9e98-f59aef42cb4f/sv-benchmarks/c/recursified_nla-digbench/recursified_hard-u.c[1080,1093] [2024-11-25 02:15:55,499 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:15:55,527 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:15:55,528 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:15:55 WrapperNode [2024-11-25 02:15:55,528 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:15:55,530 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:15:55,530 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:15:55,531 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:15:55,543 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:15:55" (1/1) ... [2024-11-25 02:15:55,553 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:15:55" (1/1) ... [2024-11-25 02:15:55,583 INFO L138 Inliner]: procedures = 17, calls = 84, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 77 [2024-11-25 02:15:55,583 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:15:55,584 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:15:55,585 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:15:55,586 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:15:55,595 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:15:55" (1/1) ... [2024-11-25 02:15:55,595 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:15:55" (1/1) ... [2024-11-25 02:15:55,598 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:15:55" (1/1) ... [2024-11-25 02:15:55,602 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:15:55" (1/1) ... [2024-11-25 02:15:55,619 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:15:55" (1/1) ... [2024-11-25 02:15:55,622 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:15:55" (1/1) ... [2024-11-25 02:15:55,630 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:15:55" (1/1) ... [2024-11-25 02:15:55,635 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:15:55" (1/1) ... [2024-11-25 02:15:55,636 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:15:55" (1/1) ... [2024-11-25 02:15:55,641 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:15:55,642 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:15:55,642 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:15:55,642 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:15:55,647 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:15:55" (1/1) ... [2024-11-25 02:15:55,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:15:55,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c887e178-170e-46ca-9e98-f59aef42cb4f/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:15:55,683 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c887e178-170e-46ca-9e98-f59aef42cb4f/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:15:55,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c887e178-170e-46ca-9e98-f59aef42cb4f/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:15:55,744 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:15:55,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 02:15:55,745 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_41_to_51_0 [2024-11-25 02:15:55,745 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_41_to_51_0 [2024-11-25 02:15:55,746 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-25 02:15:55,746 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_31_to_38_0 [2024-11-25 02:15:55,747 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_31_to_38_0 [2024-11-25 02:15:55,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-25 02:15:55,748 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:15:55,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:15:55,748 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-25 02:15:55,748 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-25 02:15:55,748 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-25 02:15:55,748 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-25 02:15:55,884 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:15:55,886 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:15:56,243 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-25 02:15:56,243 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:15:56,356 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:15:56,356 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 02:15:56,357 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:15:56 BoogieIcfgContainer [2024-11-25 02:15:56,357 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:15:56,358 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:15:56,358 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:15:56,371 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:15:56,371 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:15:56" (1/1) ... [2024-11-25 02:15:56,381 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:15:56,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:15:56,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 37 states and 49 transitions. [2024-11-25 02:15:56,470 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 49 transitions. [2024-11-25 02:15:56,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-25 02:15:56,475 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:15:56,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:15:56,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:15:57,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:15:57,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:15:57,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 42 states and 60 transitions. [2024-11-25 02:15:57,878 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 60 transitions. [2024-11-25 02:15:57,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-25 02:15:57,880 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:15:57,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:15:58,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:15:59,261 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:16:00,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:16:00,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 47 states and 69 transitions. [2024-11-25 02:16:00,438 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 69 transitions. [2024-11-25 02:16:00,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-25 02:16:00,439 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:16:00,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:16:00,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:16:00,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:16:00,649 INFO L256 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 66 conjuncts are in the unsatisfiable core [2024-11-25 02:16:00,657 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:16:00,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 02:16:00,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 02:16:00,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 02:16:00,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 02:16:00,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 02:16:00,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 02:16:00,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 02:16:00,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 02:16:00,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 02:16:00,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 02:16:00,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 02:16:00,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 02:16:00,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 02:16:00,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 02:16:00,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 02:16:00,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 02:16:54,671 WARN L286 SmtUtils]: Spent 53.73s on a formula simplification. DAG size of input: 263 DAG size of output: 77 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2024-11-25 02:16:54,672 INFO L349 Elim1Store]: treesize reduction 1504, result has 18.3 percent of original size [2024-11-25 02:16:54,675 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 16 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 20 new quantified variables, introduced 16 case distinctions, treesize of input 774 treesize of output 5119 [2024-11-25 02:16:56,798 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 57 [2024-11-25 02:16:57,495 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 61 [2024-11-25 02:17:01,041 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 61 [2024-11-25 02:17:04,445 INFO L224 Elim1Store]: Index analysis took 716 ms [2024-11-25 02:17:04,487 INFO L349 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2024-11-25 02:17:04,488 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 176 treesize of output 166 [2024-11-25 02:17:08,113 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 61 [2024-11-25 02:17:22,176 INFO L224 Elim1Store]: Index analysis took 331 ms [2024-11-25 02:17:22,328 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 4 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 353 treesize of output 363 [2024-11-25 02:18:17,698 INFO L224 Elim1Store]: Index analysis took 266 ms [2024-11-25 02:18:17,819 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 4 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 353 treesize of output 363 [2024-11-25 02:18:23,735 INFO L224 Elim1Store]: Index analysis took 452 ms [2024-11-25 02:18:23,892 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 4 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 353 treesize of output 363 [2024-11-25 02:18:33,822 INFO L224 Elim1Store]: Index analysis took 374 ms [2024-11-25 02:18:33,992 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 4 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 353 treesize of output 363 [2024-11-25 02:18:43,276 INFO L224 Elim1Store]: Index analysis took 407 ms [2024-11-25 02:18:43,468 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 4 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 353 treesize of output 363 [2024-11-25 02:18:49,924 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 02:18:49,948 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 2909 [2024-11-25 02:19:56,866 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 02:19:56,870 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1319 [2024-11-25 02:20:12,044 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 02:20:12,048 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1319 [2024-11-25 02:20:16,721 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 02:20:16,752 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3617 [2024-11-25 02:20:47,265 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 02:20:47,307 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5234 [2024-11-25 02:20:48,464 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 02:20:48,491 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8239 [2024-11-25 02:20:50,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 02:20:50,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 02:20:50,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 02:20:50,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 02:20:50,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 02:20:50,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 02:20:50,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 02:20:50,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 02:20:50,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 02:20:50,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 02:20:55,852 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-25 02:20:58,531 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-25 02:21:00,891 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-25 02:21:02,765 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-25 02:21:07,662 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-25 02:21:12,470 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-25 02:21:16,502 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-25 02:21:18,303 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-25 02:21:22,859 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-25 02:21:27,161 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-25 02:21:29,074 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-25 02:21:33,279 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-25 02:22:06,752 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-25 02:22:08,557 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-25 02:22:08,804 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-25 02:22:08,875 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-25 02:22:09,312 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-25 02:22:09,421 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-25 02:22:09,476 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-25 02:22:09,962 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-25 02:22:10,129 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-25 02:22:11,385 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-25 02:22:11,516 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-25 02:22:11,671 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-25 02:22:11,744 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-25 02:22:11,798 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-25 02:22:11,868 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-25 02:22:32,838 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-25 02:22:32,875 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-25 02:22:33,004 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-25 02:22:33,190 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-25 02:22:33,230 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-25 02:24:31,847 INFO L224 Elim1Store]: Index analysis took 219971 ms [2024-11-25 02:26:20,572 WARN L286 SmtUtils]: Spent 1.81m on a formula simplification. DAG size of input: 342 DAG size of output: 59 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2024-11-25 02:26:20,572 INFO L349 Elim1Store]: treesize reduction 1711, result has 7.2 percent of original size [2024-11-25 02:26:20,581 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 19 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 13 new quantified variables, introduced 43 case distinctions, treesize of input 4965917 treesize of output 4938125 [2024-11-25 02:26:27,403 WARN L286 SmtUtils]: Spent 6.80s on a formula simplification. DAG size of input: 10894 DAG size of output: 3753 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-25 02:26:30,605 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 02:26:31,080 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26888 [2024-11-25 02:26:37,321 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 02:26:37,655 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28305 [2024-11-25 02:26:39,306 INFO L209 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2024-11-25 02:26:42,358 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 02:26:42,719 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31734 [2024-11-25 02:26:46,100 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 02:26:46,503 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37110 [2024-11-25 02:26:48,883 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 02:26:49,240 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35213 [2024-11-25 02:26:52,323 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 02:26:52,646 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35881 [2024-11-25 02:26:55,579 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 02:26:55,909 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37061 [2024-11-25 02:26:57,584 INFO L209 tifierPushTermWalker]: Run 20 iterations without descend maybe there is a nontermination bug.