./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-38.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0f9687d-7899-423b-8bbf-53054ea06bfd/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0f9687d-7899-423b-8bbf-53054ea06bfd/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0f9687d-7899-423b-8bbf-53054ea06bfd/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0f9687d-7899-423b-8bbf-53054ea06bfd/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-38.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0f9687d-7899-423b-8bbf-53054ea06bfd/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0f9687d-7899-423b-8bbf-53054ea06bfd/bin/utaipan-verify-YMUCfTKeje --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a66395e9b9e9d3ed5ab02e44ee80d513c62f29820549c5075cb60199ac316149 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 01:18:05,462 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 01:18:05,568 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0f9687d-7899-423b-8bbf-53054ea06bfd/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 01:18:05,577 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 01:18:05,578 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 01:18:05,627 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 01:18:05,628 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 01:18:05,629 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 01:18:05,632 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 01:18:05,632 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 01:18:05,633 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 01:18:05,633 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 01:18:05,633 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 01:18:05,634 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 01:18:05,634 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 01:18:05,635 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 01:18:05,638 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 01:18:05,642 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 01:18:05,643 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 01:18:05,643 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 01:18:05,643 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 01:18:05,644 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 01:18:05,645 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 01:18:05,645 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 01:18:05,645 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 01:18:05,646 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 01:18:05,657 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 01:18:05,657 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 01:18:05,658 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 01:18:05,658 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 01:18:05,658 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 01:18:05,658 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 01:18:05,659 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 01:18:05,659 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 01:18:05,659 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 01:18:05,660 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 01:18:05,660 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 01:18:05,660 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 01:18:05,661 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 01:18:05,662 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 01:18:05,662 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 01:18:05,666 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 01:18:05,666 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 01:18:05,666 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 01:18:05,666 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 01:18:05,667 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 01:18:05,667 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 01:18:05,667 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_a0f9687d-7899-423b-8bbf-53054ea06bfd/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0f9687d-7899-423b-8bbf-53054ea06bfd/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a66395e9b9e9d3ed5ab02e44ee80d513c62f29820549c5075cb60199ac316149 [2024-11-09 01:18:05,985 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 01:18:06,018 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 01:18:06,022 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 01:18:06,025 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 01:18:06,025 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 01:18:06,027 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0f9687d-7899-423b-8bbf-53054ea06bfd/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-38.i Unable to find full path for "g++" [2024-11-09 01:18:08,318 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 01:18:08,554 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 01:18:08,555 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0f9687d-7899-423b-8bbf-53054ea06bfd/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-38.i [2024-11-09 01:18:08,566 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0f9687d-7899-423b-8bbf-53054ea06bfd/bin/utaipan-verify-YMUCfTKeje/data/a592a3991/7078746c4c67497ba63b2b448fcf3ffb/FLAG90048d9a6 [2024-11-09 01:18:08,592 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0f9687d-7899-423b-8bbf-53054ea06bfd/bin/utaipan-verify-YMUCfTKeje/data/a592a3991/7078746c4c67497ba63b2b448fcf3ffb [2024-11-09 01:18:08,595 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 01:18:08,597 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 01:18:08,598 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 01:18:08,599 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 01:18:08,606 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 01:18:08,607 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:18:08" (1/1) ... [2024-11-09 01:18:08,608 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@787ac226 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:18:08, skipping insertion in model container [2024-11-09 01:18:08,609 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:18:08" (1/1) ... [2024-11-09 01:18:08,656 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 01:18:08,906 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_a0f9687d-7899-423b-8bbf-53054ea06bfd/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-38.i[916,929] [2024-11-09 01:18:09,014 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:18:09,027 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 01:18:09,044 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_a0f9687d-7899-423b-8bbf-53054ea06bfd/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-38.i[916,929] [2024-11-09 01:18:09,097 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:18:09,126 INFO L204 MainTranslator]: Completed translation [2024-11-09 01:18:09,126 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:18:09 WrapperNode [2024-11-09 01:18:09,126 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 01:18:09,128 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 01:18:09,128 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 01:18:09,128 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 01:18:09,138 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:18:09" (1/1) ... [2024-11-09 01:18:09,155 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:18:09" (1/1) ... [2024-11-09 01:18:09,207 INFO L138 Inliner]: procedures = 30, calls = 177, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 494 [2024-11-09 01:18:09,208 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 01:18:09,209 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 01:18:09,209 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 01:18:09,209 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 01:18:09,221 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:18:09" (1/1) ... [2024-11-09 01:18:09,221 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:18:09" (1/1) ... [2024-11-09 01:18:09,229 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:18:09" (1/1) ... [2024-11-09 01:18:09,229 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:18:09" (1/1) ... [2024-11-09 01:18:09,280 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:18:09" (1/1) ... [2024-11-09 01:18:09,293 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:18:09" (1/1) ... [2024-11-09 01:18:09,297 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:18:09" (1/1) ... [2024-11-09 01:18:09,300 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:18:09" (1/1) ... [2024-11-09 01:18:09,307 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 01:18:09,308 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 01:18:09,308 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 01:18:09,308 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 01:18:09,310 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:18:09" (1/1) ... [2024-11-09 01:18:09,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 01:18:09,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0f9687d-7899-423b-8bbf-53054ea06bfd/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 01:18:09,358 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0f9687d-7899-423b-8bbf-53054ea06bfd/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 01:18:09,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0f9687d-7899-423b-8bbf-53054ea06bfd/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 01:18:09,406 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 01:18:09,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2024-11-09 01:18:09,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-09 01:18:09,410 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-09 01:18:09,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 01:18:09,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-09 01:18:09,410 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 01:18:09,411 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 01:18:09,411 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 01:18:09,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 01:18:09,411 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 01:18:09,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 01:18:09,630 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 01:18:09,633 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 01:18:10,650 INFO L? ?]: Removed 108 outVars from TransFormulas that were not future-live. [2024-11-09 01:18:10,651 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 01:18:11,366 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 01:18:11,370 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 01:18:11,371 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:18:11 BoogieIcfgContainer [2024-11-09 01:18:11,371 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 01:18:11,376 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 01:18:11,376 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 01:18:11,380 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 01:18:11,380 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 01:18:08" (1/3) ... [2024-11-09 01:18:11,381 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@179691c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:18:11, skipping insertion in model container [2024-11-09 01:18:11,382 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:18:09" (2/3) ... [2024-11-09 01:18:11,383 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@179691c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:18:11, skipping insertion in model container [2024-11-09 01:18:11,383 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:18:11" (3/3) ... [2024-11-09 01:18:11,385 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-38.i [2024-11-09 01:18:11,406 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 01:18:11,406 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 01:18:11,502 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 01:18:11,511 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@d2b8ce, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 01:18:11,512 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 01:18:11,518 INFO L276 IsEmpty]: Start isEmpty. Operand has 57 states, 30 states have (on average 1.1) internal successors, (33), 31 states have internal predecessors, (33), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-09 01:18:11,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-09 01:18:11,536 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:18:11,538 INFO L215 NwaCegarLoop]: trace histogram [24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:18:11,538 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:18:11,545 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:18:11,547 INFO L85 PathProgramCache]: Analyzing trace with hash 603434188, now seen corresponding path program 1 times [2024-11-09 01:18:11,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:18:11,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196142584] [2024-11-09 01:18:11,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:18:11,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:18:16,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:18:57,027 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 4 proven. 19 refuted. 0 times theorem prover too weak. 529 trivial. 0 not checked. [2024-11-09 01:18:57,027 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 01:18:57,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [196142584] [2024-11-09 01:18:57,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [196142584] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 01:18:57,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [258899339] [2024-11-09 01:18:57,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:18:57,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 01:18:57,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0f9687d-7899-423b-8bbf-53054ea06bfd/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 01:18:57,032 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0f9687d-7899-423b-8bbf-53054ea06bfd/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 01:18:57,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0f9687d-7899-423b-8bbf-53054ea06bfd/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 01:19:00,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:19:00,518 INFO L255 TraceCheckSpWp]: Trace formula consists of 514 conjuncts, 126 conjuncts are in the unsatisfiable core [2024-11-09 01:19:00,591 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:19:00,681 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 43 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 57 [2024-11-09 01:19:00,860 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 81 [2024-11-09 01:19:01,566 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 93 [2024-11-09 01:19:02,801 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 01:19:02,802 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 55 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 99 treesize of output 110 [2024-11-09 01:19:03,801 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 01:19:03,802 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 66 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 55 case distinctions, treesize of input 108 treesize of output 122 [2024-11-09 01:19:04,372 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 01:19:04,373 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 66 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 55 case distinctions, treesize of input 108 treesize of output 122 [2024-11-09 01:19:04,635 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 01:19:04,636 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 66 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 55 case distinctions, treesize of input 108 treesize of output 122 [2024-11-09 01:19:04,896 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 01:19:04,897 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 66 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 55 case distinctions, treesize of input 108 treesize of output 122 [2024-11-09 01:19:05,151 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 01:19:05,152 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 66 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 55 case distinctions, treesize of input 108 treesize of output 122 [2024-11-09 01:19:05,413 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 01:19:05,414 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 55 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 55 case distinctions, treesize of input 108 treesize of output 115 [2024-11-09 01:19:05,950 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 45 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 105 [2024-11-09 01:19:07,217 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 01:19:07,218 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 45 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 112 treesize of output 112 [2024-11-09 01:19:08,391 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 45 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 114 treesize of output 114 [2024-11-09 01:19:09,987 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 01:19:09,988 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 45 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 125 treesize of output 121 [2024-11-09 01:19:10,550 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 01:19:10,551 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 118 treesize of output 111 [2024-11-09 01:19:12,279 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 235 treesize of output 201 [2024-11-09 01:19:12,518 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 204 treesize of output 202 [2024-11-09 01:19:14,606 WARN L214 Elim1Store]: Array PQE input equivalent to false [2024-11-09 01:19:15,675 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 73 proven. 439 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-09 01:19:15,676 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 01:19:17,959 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 9 treesize of output 1 [2024-11-09 01:19:18,443 INFO L349 Elim1Store]: treesize reduction 40, result has 71.6 percent of original size [2024-11-09 01:19:18,443 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 5 select indices, 5 select index equivalence classes, 21 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 14 case distinctions, treesize of input 180 treesize of output 214 [2024-11-09 01:19:18,517 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-11-09 01:19:18,517 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 119 treesize of output 109 [2024-11-09 01:19:20,974 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 66 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 500 treesize of output 276 [2024-11-09 01:19:23,124 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 62 proven. 102 refuted. 0 times theorem prover too weak. 388 trivial. 0 not checked. [2024-11-09 01:19:23,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [258899339] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 01:19:23,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [90623582] [2024-11-09 01:19:23,163 INFO L159 IcfgInterpreter]: Started Sifa with 55 locations of interest [2024-11-09 01:19:23,163 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 01:19:23,168 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 01:19:23,176 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 01:19:23,177 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 01:19:40,066 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 12 for LOIs [2024-11-09 01:19:40,067 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 01:20:01,358 WARN L286 SmtUtils]: Spent 17.29s on a formula simplification that was a NOOP. DAG size: 213 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 01:20:38,325 WARN L286 SmtUtils]: Spent 25.21s on a formula simplification that was a NOOP. DAG size: 224 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 01:21:14,356 WARN L286 SmtUtils]: Spent 27.30s on a formula simplification that was a NOOP. DAG size: 228 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 01:21:52,140 WARN L286 SmtUtils]: Spent 29.57s on a formula simplification that was a NOOP. DAG size: 228 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 01:22:32,250 WARN L286 SmtUtils]: Spent 31.68s on a formula simplification that was a NOOP. DAG size: 231 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 01:23:24,009 WARN L286 SmtUtils]: Spent 41.53s on a formula simplification that was a NOOP. DAG size: 242 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 01:24:16,241 WARN L286 SmtUtils]: Spent 41.35s on a formula simplification that was a NOOP. DAG size: 244 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 01:25:03,592 WARN L286 SmtUtils]: Spent 37.82s on a formula simplification that was a NOOP. DAG size: 244 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 01:25:58,369 WARN L286 SmtUtils]: Spent 44.93s on a formula simplification that was a NOOP. DAG size: 246 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 01:27:19,112 WARN L286 SmtUtils]: Spent 57.04s on a formula simplification that was a NOOP. DAG size: 257 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 01:29:20,973 WARN L286 SmtUtils]: Spent 1.23m on a formula simplification that was a NOOP. DAG size: 257 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 01:30:43,051 WARN L286 SmtUtils]: Spent 1.09m on a formula simplification that was a NOOP. DAG size: 259 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 01:32:07,932 WARN L286 SmtUtils]: Spent 1.15m on a formula simplification that was a NOOP. DAG size: 271 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)