./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 a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da2f0d1b-f3f0-4321-904b-294ed30404b1/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da2f0d1b-f3f0-4321-904b-294ed30404b1/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da2f0d1b-f3f0-4321-904b-294ed30404b1/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da2f0d1b-f3f0-4321-904b-294ed30404b1/bin/ukojak-verify-ImItNfHLgk/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_da2f0d1b-f3f0-4321-904b-294ed30404b1/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da2f0d1b-f3f0-4321-904b-294ed30404b1/bin/ukojak-verify-ImItNfHLgk --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 0.2.5-dev-a016563 [2024-11-08 19:32:06,559 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:32:06,628 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da2f0d1b-f3f0-4321-904b-294ed30404b1/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 19:32:06,633 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 19:32:06,633 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 19:32:06,655 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:32:06,656 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:32:06,656 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 19:32:06,657 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:32:06,658 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:32:06,658 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:32:06,659 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:32:06,659 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 19:32:06,659 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 19:32:06,660 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 19:32:06,660 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:32:06,661 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:32:06,661 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:32:06,661 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:32:06,662 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:32:06,662 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 19:32:06,663 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:32:06,663 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:32:06,664 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 19:32:06,664 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 19:32:06,664 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 19:32:06,665 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:32:06,665 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:32:06,666 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:32:06,666 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:32:06,666 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:32:06,667 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 19:32:06,667 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 19:32:06,667 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da2f0d1b-f3f0-4321-904b-294ed30404b1/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da2f0d1b-f3f0-4321-904b-294ed30404b1/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 27783f29349ebae8401558a8bc17fafd87092d54a86e2af0abb3d67f703ff6c0 [2024-11-08 19:32:06,918 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:32:06,972 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:32:06,975 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:32:06,977 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:32:06,978 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:32:06,979 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da2f0d1b-f3f0-4321-904b-294ed30404b1/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/recursified_nla-digbench/recursified_hard-u.c Unable to find full path for "g++" [2024-11-08 19:32:09,104 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:32:09,337 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:32:09,338 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da2f0d1b-f3f0-4321-904b-294ed30404b1/sv-benchmarks/c/recursified_nla-digbench/recursified_hard-u.c [2024-11-08 19:32:09,346 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da2f0d1b-f3f0-4321-904b-294ed30404b1/bin/ukojak-verify-ImItNfHLgk/data/60ac8528d/a5880bd9ab2d4c93b22f114b8bd4e31f/FLAG52c4ca7af [2024-11-08 19:32:09,360 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da2f0d1b-f3f0-4321-904b-294ed30404b1/bin/ukojak-verify-ImItNfHLgk/data/60ac8528d/a5880bd9ab2d4c93b22f114b8bd4e31f [2024-11-08 19:32:09,363 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:32:09,364 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:32:09,366 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:32:09,366 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:32:09,372 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:32:09,373 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:32:09" (1/1) ... [2024-11-08 19:32:09,375 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40ebb2f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:32:09, skipping insertion in model container [2024-11-08 19:32:09,375 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:32:09" (1/1) ... [2024-11-08 19:32:09,406 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:32:09,601 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_da2f0d1b-f3f0-4321-904b-294ed30404b1/sv-benchmarks/c/recursified_nla-digbench/recursified_hard-u.c[1080,1093] [2024-11-08 19:32:09,624 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:32:09,636 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:32:09,649 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_da2f0d1b-f3f0-4321-904b-294ed30404b1/sv-benchmarks/c/recursified_nla-digbench/recursified_hard-u.c[1080,1093] [2024-11-08 19:32:09,664 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:32:09,678 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:32:09,679 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:32:09 WrapperNode [2024-11-08 19:32:09,679 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:32:09,680 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:32:09,680 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:32:09,680 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:32:09,688 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:32:09" (1/1) ... [2024-11-08 19:32:09,696 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:32:09" (1/1) ... [2024-11-08 19:32:09,718 INFO L138 Inliner]: procedures = 17, calls = 84, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 77 [2024-11-08 19:32:09,719 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:32:09,719 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:32:09,720 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:32:09,720 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:32:09,728 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:32:09" (1/1) ... [2024-11-08 19:32:09,729 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:32:09" (1/1) ... [2024-11-08 19:32:09,732 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:32:09" (1/1) ... [2024-11-08 19:32:09,732 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:32:09" (1/1) ... [2024-11-08 19:32:09,739 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:32:09" (1/1) ... [2024-11-08 19:32:09,741 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:32:09" (1/1) ... [2024-11-08 19:32:09,743 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:32:09" (1/1) ... [2024-11-08 19:32:09,744 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:32:09" (1/1) ... [2024-11-08 19:32:09,747 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:32:09,748 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:32:09,748 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:32:09,748 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:32:09,749 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:32:09" (1/1) ... [2024-11-08 19:32:09,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:32:09,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da2f0d1b-f3f0-4321-904b-294ed30404b1/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 19:32:09,795 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da2f0d1b-f3f0-4321-904b-294ed30404b1/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 19:32:09,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da2f0d1b-f3f0-4321-904b-294ed30404b1/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 19:32:09,821 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:32:09,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 19:32:09,821 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_41_to_51_0 [2024-11-08 19:32:09,822 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_41_to_51_0 [2024-11-08 19:32:09,822 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 19:32:09,822 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_31_to_38_0 [2024-11-08 19:32:09,822 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_31_to_38_0 [2024-11-08 19:32:09,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-08 19:32:09,822 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:32:09,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:32:09,823 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-08 19:32:09,823 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-08 19:32:09,823 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-08 19:32:09,823 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 19:32:09,916 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:32:09,918 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:32:10,215 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-08 19:32:10,215 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:32:10,311 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:32:10,312 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-08 19:32:10,312 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:32:10 BoogieIcfgContainer [2024-11-08 19:32:10,312 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:32:10,313 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 19:32:10,313 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 19:32:10,326 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 19:32:10,326 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:32:10" (1/1) ... [2024-11-08 19:32:10,335 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:32:10,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:32:10,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 37 states and 49 transitions. [2024-11-08 19:32:10,396 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 49 transitions. [2024-11-08 19:32:10,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 19:32:10,399 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:32:10,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:32:10,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:32:11,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:32:11,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:32:11,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 42 states and 60 transitions. [2024-11-08 19:32:11,624 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 60 transitions. [2024-11-08 19:32:11,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-08 19:32:11,625 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:32:11,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:32:11,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:32:12,801 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:32:13,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:32:13,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 47 states and 69 transitions. [2024-11-08 19:32:13,777 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 69 transitions. [2024-11-08 19:32:13,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 19:32:13,777 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:32:13,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:32:13,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:32:14,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:32:14,044 INFO L255 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 63 conjuncts are in the unsatisfiable core [2024-11-08 19:32:14,063 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:32:14,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:32:14,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:32:14,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:32:14,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:32:14,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:32:14,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:32:14,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:32:14,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:32:14,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:32:14,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:32:14,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:32:14,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:32:14,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:32:14,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:32:14,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:32:14,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:33:06,771 WARN L286 SmtUtils]: Spent 52.36s on a formula simplification. DAG size of input: 268 DAG size of output: 77 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2024-11-08 19:33:06,772 INFO L349 Elim1Store]: treesize reduction 1696, result has 16.6 percent of original size [2024-11-08 19:33:06,775 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 966 treesize of output 5311 [2024-11-08 19:33:08,444 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 [2024-11-08 19:33:10,807 INFO L224 Elim1Store]: Index analysis took 325 ms [2024-11-08 19:33:10,854 INFO L349 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2024-11-08 19:33:10,855 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 [2024-11-08 19:33:13,864 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 [2024-11-08 19:33:17,286 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 [2024-11-08 19:33:19,510 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 [2024-11-08 19:33:30,602 INFO L224 Elim1Store]: Index analysis took 317 ms [2024-11-08 19:33:30,732 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 [2024-11-08 19:34:13,111 INFO L224 Elim1Store]: Index analysis took 474 ms [2024-11-08 19:34:13,253 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 [2024-11-08 19:34:19,821 INFO L224 Elim1Store]: Index analysis took 220 ms [2024-11-08 19:34:19,926 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 [2024-11-08 19:34:24,114 INFO L224 Elim1Store]: Index analysis took 483 ms [2024-11-08 19:34:24,256 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 [2024-11-08 19:34:33,167 INFO L224 Elim1Store]: Index analysis took 321 ms [2024-11-08 19:34:33,314 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 [2024-11-08 19:34:46,251 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:34:46,255 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1107 [2024-11-08 19:34:54,150 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:34:54,154 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1107 [2024-11-08 19:34:56,631 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:34:56,647 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 2698 [2024-11-08 19:35:38,885 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:35:38,897 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 2347 [2024-11-08 19:36:00,243 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:36:00,295 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7155 [2024-11-08 19:36:01,415 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:36:01,476 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8421 [2024-11-08 19:36:02,791 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:36:02,845 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9712 [2024-11-08 19:36:03,613 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:36:03,651 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13142 [2024-11-08 19:36:04,273 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:36:04,312 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15634 [2024-11-08 19:36:04,429 INFO L209 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2024-11-08 19:36:04,878 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:36:04,921 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16692 [2024-11-08 19:36:05,677 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:36:05,706 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15851 [2024-11-08 19:36:06,256 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:36:06,304 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16053 [2024-11-08 19:36:06,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:36:07,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:36:07,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:36:07,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:36:07,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:36:07,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:36:07,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:36:07,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:36:07,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:36:07,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:36:20,001 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 19:36:20,053 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 19:36:20,149 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 19:36:20,201 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 19:36:20,363 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 19:36:20,440 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 19:36:20,494 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 19:36:20,547 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 19:36:20,657 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 19:36:20,753 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 19:36:20,839 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 19:36:22,833 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 19:36:23,732 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 19:36:24,688 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 19:36:26,113 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 19:36:28,562 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 19:36:29,116 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 19:36:39,827 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 19:36:39,862 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 19:36:39,895 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 19:36:39,917 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 19:36:40,004 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 19:36:40,511 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 19:36:40,640 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 19:36:40,672 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 19:36:40,720 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 19:36:40,799 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 19:37:25,605 INFO L224 Elim1Store]: Index analysis took 77321 ms [2024-11-08 19:37:34,253 WARN L286 SmtUtils]: Spent 8.62s on a formula simplification. DAG size of input: 338 DAG size of output: 33 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2024-11-08 19:37:34,253 INFO L349 Elim1Store]: treesize reduction 2533, result has 1.6 percent of original size [2024-11-08 19:37:34,255 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 14 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 33 case distinctions, treesize of input 56318 treesize of output 50357 [2024-11-08 19:37:35,840 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:37:35,871 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16683 [2024-11-08 19:37:36,121 INFO L209 tifierPushTermWalker]: Run 20 iterations without descend maybe there is a nontermination bug. [2024-11-08 19:46:23,577 WARN L560 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2024-11-08 19:46:55,718 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:46:55,750 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9212