./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-19.i --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_cefec1d7-2e67-4789-b4b9-1eedfee39306/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cefec1d7-2e67-4789-b4b9-1eedfee39306/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_cefec1d7-2e67-4789-b4b9-1eedfee39306/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cefec1d7-2e67-4789-b4b9-1eedfee39306/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-19.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cefec1d7-2e67-4789-b4b9-1eedfee39306/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_cefec1d7-2e67-4789-b4b9-1eedfee39306/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 81c7729345d5d6e6cfdedd64c331a4f8f6005773af2c566c0c24cc964b2ec390 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 06:12:07,928 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:12:08,026 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cefec1d7-2e67-4789-b4b9-1eedfee39306/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 06:12:08,035 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:12:08,036 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:12:08,061 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:12:08,062 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:12:08,062 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:12:08,063 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:12:08,063 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:12:08,064 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 06:12:08,064 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 06:12:08,064 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 06:12:08,065 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 06:12:08,065 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 06:12:08,066 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 06:12:08,066 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 06:12:08,067 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 06:12:08,067 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 06:12:08,068 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 06:12:08,068 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 06:12:08,069 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 06:12:08,069 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:12:08,070 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:12:08,070 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 06:12:08,071 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 06:12:08,071 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 06:12:08,071 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:12:08,072 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:12:08,072 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:12:08,072 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:12:08,073 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:12:08,073 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 06:12:08,074 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:12:08,074 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:12:08,074 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:12:08,075 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 06:12:08,075 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:12:08,075 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:12:08,076 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:12:08,076 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:12:08,079 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:12:08,079 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 06:12:08,080 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 06:12:08,080 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:12:08,080 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 06:12:08,080 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 06:12:08,081 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_cefec1d7-2e67-4789-b4b9-1eedfee39306/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cefec1d7-2e67-4789-b4b9-1eedfee39306/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 81c7729345d5d6e6cfdedd64c331a4f8f6005773af2c566c0c24cc964b2ec390 [2024-11-09 06:12:08,342 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:12:08,372 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:12:08,375 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:12:08,378 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:12:08,378 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:12:08,380 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cefec1d7-2e67-4789-b4b9-1eedfee39306/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-19.i Unable to find full path for "g++" [2024-11-09 06:12:10,544 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:12:10,849 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:12:10,849 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cefec1d7-2e67-4789-b4b9-1eedfee39306/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-19.i [2024-11-09 06:12:10,861 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cefec1d7-2e67-4789-b4b9-1eedfee39306/bin/utaipan-verify-YMUCfTKeje/data/3936816e8/1670f9fcadee42f29401ec7b616509b2/FLAGf2765e7bc [2024-11-09 06:12:10,880 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cefec1d7-2e67-4789-b4b9-1eedfee39306/bin/utaipan-verify-YMUCfTKeje/data/3936816e8/1670f9fcadee42f29401ec7b616509b2 [2024-11-09 06:12:10,883 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:12:10,885 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:12:10,887 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:12:10,887 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:12:10,894 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:12:10,895 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:12:10" (1/1) ... [2024-11-09 06:12:10,897 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60d4bc2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:12:10, skipping insertion in model container [2024-11-09 06:12:10,897 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:12:10" (1/1) ... [2024-11-09 06:12:10,937 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:12:11,152 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_cefec1d7-2e67-4789-b4b9-1eedfee39306/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-19.i[916,929] [2024-11-09 06:12:11,233 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:12:11,252 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:12:11,269 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_cefec1d7-2e67-4789-b4b9-1eedfee39306/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-19.i[916,929] [2024-11-09 06:12:11,347 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:12:11,386 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:12:11,386 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:12:11 WrapperNode [2024-11-09 06:12:11,387 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:12:11,388 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:12:11,388 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:12:11,389 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:12:11,398 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:12:11" (1/1) ... [2024-11-09 06:12:11,413 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:12:11" (1/1) ... [2024-11-09 06:12:11,468 INFO L138 Inliner]: procedures = 26, calls = 157, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 467 [2024-11-09 06:12:11,469 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:12:11,470 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:12:11,470 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:12:11,470 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:12:11,483 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:12:11" (1/1) ... [2024-11-09 06:12:11,483 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:12:11" (1/1) ... [2024-11-09 06:12:11,491 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:12:11" (1/1) ... [2024-11-09 06:12:11,492 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:12:11" (1/1) ... [2024-11-09 06:12:11,522 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:12:11" (1/1) ... [2024-11-09 06:12:11,530 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:12:11" (1/1) ... [2024-11-09 06:12:11,533 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:12:11" (1/1) ... [2024-11-09 06:12:11,536 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:12:11" (1/1) ... [2024-11-09 06:12:11,541 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:12:11,542 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:12:11,543 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:12:11,543 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:12:11,544 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:12:11" (1/1) ... [2024-11-09 06:12:11,555 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:12:11,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cefec1d7-2e67-4789-b4b9-1eedfee39306/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:12:11,612 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cefec1d7-2e67-4789-b4b9-1eedfee39306/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 06:12:11,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cefec1d7-2e67-4789-b4b9-1eedfee39306/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 06:12:11,664 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:12:11,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 06:12:11,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 06:12:11,665 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 06:12:11,665 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 06:12:11,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 06:12:11,668 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:12:11,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:12:11,817 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:12:11,819 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:12:12,481 INFO L? ?]: Removed 116 outVars from TransFormulas that were not future-live. [2024-11-09 06:12:12,481 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:12:13,125 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:12:13,126 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 06:12:13,126 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:12:13 BoogieIcfgContainer [2024-11-09 06:12:13,126 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:12:13,132 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:12:13,133 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:12:13,137 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:12:13,138 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:12:10" (1/3) ... [2024-11-09 06:12:13,139 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bef48df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:12:13, skipping insertion in model container [2024-11-09 06:12:13,139 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:12:11" (2/3) ... [2024-11-09 06:12:13,139 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bef48df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:12:13, skipping insertion in model container [2024-11-09 06:12:13,139 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:12:13" (3/3) ... [2024-11-09 06:12:13,141 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-19.i [2024-11-09 06:12:13,163 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:12:13,164 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 06:12:13,252 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:12:13,264 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;@62a5b9af, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:12:13,264 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 06:12:13,269 INFO L276 IsEmpty]: Start isEmpty. Operand has 43 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 24 states have internal predecessors, (26), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-09 06:12:13,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-09 06:12:13,281 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:12:13,282 INFO L215 NwaCegarLoop]: trace histogram [17, 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 06:12:13,283 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:12:13,290 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:12:13,291 INFO L85 PathProgramCache]: Analyzing trace with hash 3046599, now seen corresponding path program 1 times [2024-11-09 06:12:13,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:12:13,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933321564] [2024-11-09 06:12:13,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:12:13,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:12:15,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 06:12:15,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1741561490] [2024-11-09 06:12:15,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:12:15,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:12:15,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cefec1d7-2e67-4789-b4b9-1eedfee39306/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:12:15,150 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cefec1d7-2e67-4789-b4b9-1eedfee39306/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:12:15,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cefec1d7-2e67-4789-b4b9-1eedfee39306/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 06:12:16,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 06:12:16,768 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 06:12:18,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 06:12:18,143 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 06:12:18,146 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 06:12:18,148 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 06:12:18,180 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cefec1d7-2e67-4789-b4b9-1eedfee39306/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 06:12:18,351 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cefec1d7-2e67-4789-b4b9-1eedfee39306/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-09 06:12:18,355 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 06:12:18,476 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 06:12:18,482 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 06:12:18 BoogieIcfgContainer [2024-11-09 06:12:18,482 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 06:12:18,483 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 06:12:18,483 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 06:12:18,483 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 06:12:18,484 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:12:13" (3/4) ... [2024-11-09 06:12:18,488 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 06:12:18,489 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 06:12:18,491 INFO L158 Benchmark]: Toolchain (without parser) took 7605.64ms. Allocated memory was 192.9MB in the beginning and 243.3MB in the end (delta: 50.3MB). Free memory was 160.3MB in the beginning and 159.4MB in the end (delta: 844.3kB). Peak memory consumption was 54.3MB. Max. memory is 16.1GB. [2024-11-09 06:12:18,492 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 125.8MB. Free memory is still 70.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:12:18,494 INFO L158 Benchmark]: CACSL2BoogieTranslator took 500.38ms. Allocated memory is still 192.9MB. Free memory was 160.3MB in the beginning and 143.6MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-09 06:12:18,494 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.25ms. Allocated memory is still 192.9MB. Free memory was 143.6MB in the beginning and 140.0MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 06:12:18,496 INFO L158 Benchmark]: Boogie Preprocessor took 71.86ms. Allocated memory is still 192.9MB. Free memory was 140.0MB in the beginning and 136.5MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 06:12:18,498 INFO L158 Benchmark]: RCFGBuilder took 1583.83ms. Allocated memory is still 192.9MB. Free memory was 136.5MB in the beginning and 128.1MB in the end (delta: 8.4MB). Peak memory consumption was 74.1MB. Max. memory is 16.1GB. [2024-11-09 06:12:18,499 INFO L158 Benchmark]: TraceAbstraction took 5349.72ms. Allocated memory was 192.9MB in the beginning and 243.3MB in the end (delta: 50.3MB). Free memory was 128.1MB in the beginning and 160.5MB in the end (delta: -32.4MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. [2024-11-09 06:12:18,501 INFO L158 Benchmark]: Witness Printer took 6.82ms. Allocated memory is still 243.3MB. Free memory is still 159.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:12:18,504 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 125.8MB. Free memory is still 70.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 500.38ms. Allocated memory is still 192.9MB. Free memory was 160.3MB in the beginning and 143.6MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.25ms. Allocated memory is still 192.9MB. Free memory was 143.6MB in the beginning and 140.0MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.86ms. Allocated memory is still 192.9MB. Free memory was 140.0MB in the beginning and 136.5MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1583.83ms. Allocated memory is still 192.9MB. Free memory was 136.5MB in the beginning and 128.1MB in the end (delta: 8.4MB). Peak memory consumption was 74.1MB. Max. memory is 16.1GB. * TraceAbstraction took 5349.72ms. Allocated memory was 192.9MB in the beginning and 243.3MB in the end (delta: 50.3MB). Free memory was 128.1MB in the beginning and 160.5MB in the end (delta: -32.4MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. * Witness Printer took 6.82ms. Allocated memory is still 243.3MB. Free memory is still 159.4MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of shiftLeft at line 60. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[1] = { 1 }; [L25-L27] signed char signed_char_Array_0[3] = { 100, 4, 8 }; [L28-L30] signed long int signed_long_int_Array_0[2][2] = { {-25, -8}, {-16, 10} }; [L31-L33] unsigned char unsigned_char_Array_0[2] = { 64, 128 }; [L34-L36] unsigned long int unsigned_long_int_Array_0[2] = { 5, 1 }; [L37] signed long int last_1_signed_long_int_Array_0_1__1_ = 10; [L103] isInitial = 1 [L104] FCALL initially() [L105] COND TRUE 1 [L106] CALL updateLastVariables() [L96] EXPR signed_long_int_Array_0[1][1] [L96] last_1_signed_long_int_Array_0_1__1_ = signed_long_int_Array_0[1][1] [L106] RET updateLastVariables() [L107] CALL updateVariables() [L69] BOOL_unsigned_char_Array_0[0] = __VERIFIER_nondet_uchar() [L70] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, isInitial=1, last_1_signed_long_int_Array_0_1__1_=10, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L70] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, isInitial=1, last_1_signed_long_int_Array_0_1__1_=10, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L70] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, isInitial=1, last_1_signed_long_int_Array_0_1__1_=10, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L71] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, isInitial=1, last_1_signed_long_int_Array_0_1__1_=10, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L71] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, isInitial=1, last_1_signed_long_int_Array_0_1__1_=10, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L71] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, isInitial=1, last_1_signed_long_int_Array_0_1__1_=10, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L72] signed_char_Array_0[0] = __VERIFIER_nondet_char() [L73] EXPR signed_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, isInitial=1, last_1_signed_long_int_Array_0_1__1_=10, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L73] CALL assume_abort_if_not(signed_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, isInitial=1, last_1_signed_long_int_Array_0_1__1_=10, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not(signed_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, isInitial=1, last_1_signed_long_int_Array_0_1__1_=10, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L74] EXPR signed_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, isInitial=1, last_1_signed_long_int_Array_0_1__1_=10, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L74] CALL assume_abort_if_not(signed_char_Array_0[0] <= 126) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, isInitial=1, last_1_signed_long_int_Array_0_1__1_=10, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not(signed_char_Array_0[0] <= 126) VAL [BOOL_unsigned_char_Array_0={4:0}, isInitial=1, last_1_signed_long_int_Array_0_1__1_=10, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L75] signed_char_Array_0[1] = __VERIFIER_nondet_char() [L76] EXPR signed_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, isInitial=1, last_1_signed_long_int_Array_0_1__1_=10, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L76] CALL assume_abort_if_not(signed_char_Array_0[1] >= -63) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, isInitial=1, last_1_signed_long_int_Array_0_1__1_=10, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not(signed_char_Array_0[1] >= -63) VAL [BOOL_unsigned_char_Array_0={4:0}, isInitial=1, last_1_signed_long_int_Array_0_1__1_=10, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L77] EXPR signed_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, isInitial=1, last_1_signed_long_int_Array_0_1__1_=10, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L77] CALL assume_abort_if_not(signed_char_Array_0[1] <= 63) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, isInitial=1, last_1_signed_long_int_Array_0_1__1_=10, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L77] RET assume_abort_if_not(signed_char_Array_0[1] <= 63) VAL [BOOL_unsigned_char_Array_0={4:0}, isInitial=1, last_1_signed_long_int_Array_0_1__1_=10, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L78] signed_long_int_Array_0[0][0] = __VERIFIER_nondet_long() [L79] EXPR signed_long_int_Array_0[0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, isInitial=1, last_1_signed_long_int_Array_0_1__1_=10, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L79] CALL assume_abort_if_not(signed_long_int_Array_0[0][0] >= -2147483648) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, isInitial=1, last_1_signed_long_int_Array_0_1__1_=10, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L79] RET assume_abort_if_not(signed_long_int_Array_0[0][0] >= -2147483648) VAL [BOOL_unsigned_char_Array_0={4:0}, isInitial=1, last_1_signed_long_int_Array_0_1__1_=10, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L80] EXPR signed_long_int_Array_0[0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, isInitial=1, last_1_signed_long_int_Array_0_1__1_=10, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L80] CALL assume_abort_if_not(signed_long_int_Array_0[0][0] <= 2147483647) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, isInitial=1, last_1_signed_long_int_Array_0_1__1_=10, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not(signed_long_int_Array_0[0][0] <= 2147483647) VAL [BOOL_unsigned_char_Array_0={4:0}, isInitial=1, last_1_signed_long_int_Array_0_1__1_=10, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L81] EXPR signed_long_int_Array_0[0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, isInitial=1, last_1_signed_long_int_Array_0_1__1_=10, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L81] CALL assume_abort_if_not(signed_long_int_Array_0[0][0] != 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, isInitial=1, last_1_signed_long_int_Array_0_1__1_=10, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L81] RET assume_abort_if_not(signed_long_int_Array_0[0][0] != 0) VAL [BOOL_unsigned_char_Array_0={4:0}, isInitial=1, last_1_signed_long_int_Array_0_1__1_=10, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L82] unsigned_char_Array_0[0] = __VERIFIER_nondet_uchar() [L83] EXPR unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, isInitial=1, last_1_signed_long_int_Array_0_1__1_=10, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L83] CALL assume_abort_if_not(unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, isInitial=1, last_1_signed_long_int_Array_0_1__1_=10, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not(unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, isInitial=1, last_1_signed_long_int_Array_0_1__1_=10, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L84] EXPR unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, isInitial=1, last_1_signed_long_int_Array_0_1__1_=10, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L84] CALL assume_abort_if_not(unsigned_char_Array_0[0] <= 127) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, isInitial=1, last_1_signed_long_int_Array_0_1__1_=10, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not(unsigned_char_Array_0[0] <= 127) VAL [BOOL_unsigned_char_Array_0={4:0}, isInitial=1, last_1_signed_long_int_Array_0_1__1_=10, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L85] unsigned_char_Array_0[1] = __VERIFIER_nondet_uchar() [L86] EXPR unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, isInitial=1, last_1_signed_long_int_Array_0_1__1_=10, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L86] CALL assume_abort_if_not(unsigned_char_Array_0[1] >= 127) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, isInitial=1, last_1_signed_long_int_Array_0_1__1_=10, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(unsigned_char_Array_0[1] >= 127) VAL [BOOL_unsigned_char_Array_0={4:0}, isInitial=1, last_1_signed_long_int_Array_0_1__1_=10, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L87] EXPR unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, isInitial=1, last_1_signed_long_int_Array_0_1__1_=10, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L87] CALL assume_abort_if_not(unsigned_char_Array_0[1] <= 255) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, isInitial=1, last_1_signed_long_int_Array_0_1__1_=10, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not(unsigned_char_Array_0[1] <= 255) VAL [BOOL_unsigned_char_Array_0={4:0}, isInitial=1, last_1_signed_long_int_Array_0_1__1_=10, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L88] unsigned_long_int_Array_0[0] = __VERIFIER_nondet_ulong() [L89] EXPR unsigned_long_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, isInitial=1, last_1_signed_long_int_Array_0_1__1_=10, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L89] CALL assume_abort_if_not(unsigned_long_int_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, isInitial=1, last_1_signed_long_int_Array_0_1__1_=10, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(unsigned_long_int_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, isInitial=1, last_1_signed_long_int_Array_0_1__1_=10, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L90] EXPR unsigned_long_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, isInitial=1, last_1_signed_long_int_Array_0_1__1_=10, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L90] CALL assume_abort_if_not(unsigned_long_int_Array_0[0] <= 11) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, isInitial=1, last_1_signed_long_int_Array_0_1__1_=10, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(unsigned_long_int_Array_0[0] <= 11) VAL [BOOL_unsigned_char_Array_0={4:0}, isInitial=1, last_1_signed_long_int_Array_0_1__1_=10, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L91] unsigned_long_int_Array_0[1] = __VERIFIER_nondet_ulong() [L92] EXPR unsigned_long_int_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, isInitial=1, last_1_signed_long_int_Array_0_1__1_=10, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L92] CALL assume_abort_if_not(unsigned_long_int_Array_0[1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, isInitial=1, last_1_signed_long_int_Array_0_1__1_=10, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(unsigned_long_int_Array_0[1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, isInitial=1, last_1_signed_long_int_Array_0_1__1_=10, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L93] EXPR unsigned_long_int_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, isInitial=1, last_1_signed_long_int_Array_0_1__1_=10, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L93] CALL assume_abort_if_not(unsigned_long_int_Array_0[1] <= 12) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, isInitial=1, last_1_signed_long_int_Array_0_1__1_=10, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(unsigned_long_int_Array_0[1] <= 12) VAL [BOOL_unsigned_char_Array_0={4:0}, isInitial=1, last_1_signed_long_int_Array_0_1__1_=10, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L107] RET updateVariables() [L108] CALL step() [L41] EXPR signed_char_Array_0[1] [L41] EXPR unsigned_char_Array_0[0] [L41] COND TRUE signed_char_Array_0[1] < unsigned_char_Array_0[0] [L42] EXPR signed_char_Array_0[1] [L42] COND TRUE last_1_signed_long_int_Array_0_1__1_ > signed_char_Array_0[1] [L43] EXPR unsigned_char_Array_0[0] [L43] EXPR signed_char_Array_0[0] [L43] signed_long_int_Array_0[0][1] = (unsigned_char_Array_0[0] - signed_char_Array_0[0]) [L50] EXPR signed_char_Array_0[1] [L50] signed_long_int_Array_0[1][0] = signed_char_Array_0[1] [L51] EXPR unsigned_char_Array_0[1] [L51] EXPR signed_long_int_Array_0[0][0] [L51] signed long int stepLocal_1 = unsigned_char_Array_0[1] / signed_long_int_Array_0[0][0]; [L52] EXPR signed_long_int_Array_0[0][1] [L52] EXPR signed_long_int_Array_0[1][0] [L52] EXPR signed_char_Array_0[0] [L52] COND TRUE ((signed_long_int_Array_0[0][1] * signed_long_int_Array_0[1][0]) + signed_char_Array_0[0]) > stepLocal_1 [L53] BOOL_unsigned_char_Array_0[0] [L53] COND TRUE BOOL_unsigned_char_Array_0[0] [L54] EXPR unsigned_char_Array_0[1] [L54] signed_long_int_Array_0[1][1] = unsigned_char_Array_0[1] [L59] EXPR signed_long_int_Array_0[1][1] [L59] signed long int stepLocal_0 = signed_long_int_Array_0[1][1]; [L60] EXPR unsigned_char_Array_0[1] [L60] EXPR unsigned_char_Array_0[0] [L60] EXPR unsigned_long_int_Array_0[1] [L60] EXPR unsigned_long_int_Array_0[0] [L60] EXPR (unsigned_char_Array_0[1] - unsigned_char_Array_0[0]) << (unsigned_long_int_Array_0[1] + unsigned_long_int_Array_0[0]) [L60] COND FALSE !(((unsigned_char_Array_0[1] - unsigned_char_Array_0[0]) << (unsigned_long_int_Array_0[1] + unsigned_long_int_Array_0[0])) <= stepLocal_0) [L63] BOOL_unsigned_char_Array_0[0] [L63] COND TRUE BOOL_unsigned_char_Array_0[0] [L64] EXPR unsigned_long_int_Array_0[0] [L64] signed_char_Array_0[2] = unsigned_long_int_Array_0[0] [L108] RET step() [L109] CALL, EXPR property() [L99] EXPR unsigned_char_Array_0[1] [L99] EXPR unsigned_char_Array_0[0] [L99] EXPR unsigned_long_int_Array_0[1] [L99] EXPR unsigned_long_int_Array_0[0] [L99] EXPR (unsigned_char_Array_0[1] - unsigned_char_Array_0[0]) << (unsigned_long_int_Array_0[1] + unsigned_long_int_Array_0[0]) [L99] EXPR signed_long_int_Array_0[1][1] [L99] EXPR (((unsigned_char_Array_0[1] - unsigned_char_Array_0[0]) << (unsigned_long_int_Array_0[1] + unsigned_long_int_Array_0[0])) <= signed_long_int_Array_0[1][1]) ? (signed_char_Array_0[2] == ((signed char) ((((unsigned_long_int_Array_0[1]) > (((((signed_char_Array_0[0]) < 0 ) ? -(signed_char_Array_0[0]) : (signed_char_Array_0[0]))))) ? (unsigned_long_int_Array_0[1]) : (((((signed_char_Array_0[0]) < 0 ) ? -(signed_char_Array_0[0]) : (signed_char_Array_0[0])))))))) : (BOOL_unsigned_char_Array_0[0] ? (signed_char_Array_0[2] == ((signed char) unsigned_long_int_Array_0[0])) : 1) [L99] EXPR signed_char_Array_0[2] [L99] EXPR unsigned_long_int_Array_0[1] [L99] EXPR signed_char_Array_0[0] [L99] EXPR ((signed_char_Array_0[0]) < 0 ) ? -(signed_char_Array_0[0]) : (signed_char_Array_0[0]) [L99] EXPR signed_char_Array_0[0] [L99] EXPR ((signed_char_Array_0[0]) < 0 ) ? -(signed_char_Array_0[0]) : (signed_char_Array_0[0]) [L99] EXPR ((unsigned_long_int_Array_0[1]) > (((((signed_char_Array_0[0]) < 0 ) ? -(signed_char_Array_0[0]) : (signed_char_Array_0[0]))))) ? (unsigned_long_int_Array_0[1]) : (((((signed_char_Array_0[0]) < 0 ) ? -(signed_char_Array_0[0]) : (signed_char_Array_0[0])))) [L99] EXPR signed_char_Array_0[0] [L99] EXPR ((signed_char_Array_0[0]) < 0 ) ? -(signed_char_Array_0[0]) : (signed_char_Array_0[0]) [L99] EXPR signed_char_Array_0[0] [L99] EXPR ((signed_char_Array_0[0]) < 0 ) ? -(signed_char_Array_0[0]) : (signed_char_Array_0[0]) [L99] EXPR ((unsigned_long_int_Array_0[1]) > (((((signed_char_Array_0[0]) < 0 ) ? -(signed_char_Array_0[0]) : (signed_char_Array_0[0]))))) ? (unsigned_long_int_Array_0[1]) : (((((signed_char_Array_0[0]) < 0 ) ? -(signed_char_Array_0[0]) : (signed_char_Array_0[0])))) [L99] EXPR (((unsigned_char_Array_0[1] - unsigned_char_Array_0[0]) << (unsigned_long_int_Array_0[1] + unsigned_long_int_Array_0[0])) <= signed_long_int_Array_0[1][1]) ? (signed_char_Array_0[2] == ((signed char) ((((unsigned_long_int_Array_0[1]) > (((((signed_char_Array_0[0]) < 0 ) ? -(signed_char_Array_0[0]) : (signed_char_Array_0[0]))))) ? (unsigned_long_int_Array_0[1]) : (((((signed_char_Array_0[0]) < 0 ) ? -(signed_char_Array_0[0]) : (signed_char_Array_0[0])))))))) : (BOOL_unsigned_char_Array_0[0] ? (signed_char_Array_0[2] == ((signed char) unsigned_long_int_Array_0[0])) : 1) [L99] EXPR ((((unsigned_char_Array_0[1] - unsigned_char_Array_0[0]) << (unsigned_long_int_Array_0[1] + unsigned_long_int_Array_0[0])) <= signed_long_int_Array_0[1][1]) ? (signed_char_Array_0[2] == ((signed char) ((((unsigned_long_int_Array_0[1]) > (((((signed_char_Array_0[0]) < 0 ) ? -(signed_char_Array_0[0]) : (signed_char_Array_0[0]))))) ? (unsigned_long_int_Array_0[1]) : (((((signed_char_Array_0[0]) < 0 ) ? -(signed_char_Array_0[0]) : (signed_char_Array_0[0])))))))) : (BOOL_unsigned_char_Array_0[0] ? (signed_char_Array_0[2] == ((signed char) unsigned_long_int_Array_0[0])) : 1)) && ((signed_char_Array_0[1] < unsigned_char_Array_0[0]) ? ((last_1_signed_long_int_Array_0_1__1_ > signed_char_Array_0[1]) ? (signed_long_int_Array_0[0][1] == ((signed long int) (unsigned_char_Array_0[0] - signed_char_Array_0[0]))) : 1) : (((signed_char_Array_0[0] + ((((unsigned_char_Array_0[1]) < 0 ) ? -(unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1])))) > signed_char_Array_0[1]) ? (signed_long_int_Array_0[0][1] == ((signed long int) signed_char_Array_0[0])) : 1)) [L99] EXPR (((((unsigned_char_Array_0[1] - unsigned_char_Array_0[0]) << (unsigned_long_int_Array_0[1] + unsigned_long_int_Array_0[0])) <= signed_long_int_Array_0[1][1]) ? (signed_char_Array_0[2] == ((signed char) ((((unsigned_long_int_Array_0[1]) > (((((signed_char_Array_0[0]) < 0 ) ? -(signed_char_Array_0[0]) : (signed_char_Array_0[0]))))) ? (unsigned_long_int_Array_0[1]) : (((((signed_char_Array_0[0]) < 0 ) ? -(signed_char_Array_0[0]) : (signed_char_Array_0[0])))))))) : (BOOL_unsigned_char_Array_0[0] ? (signed_char_Array_0[2] == ((signed char) unsigned_long_int_Array_0[0])) : 1)) && ((signed_char_Array_0[1] < unsigned_char_Array_0[0]) ? ((last_1_signed_long_int_Array_0_1__1_ > signed_char_Array_0[1]) ? (signed_long_int_Array_0[0][1] == ((signed long int) (unsigned_char_Array_0[0] - signed_char_Array_0[0]))) : 1) : (((signed_char_Array_0[0] + ((((unsigned_char_Array_0[1]) < 0 ) ? -(unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1])))) > signed_char_Array_0[1]) ? (signed_long_int_Array_0[0][1] == ((signed long int) signed_char_Array_0[0])) : 1))) && ((((signed_long_int_Array_0[0][1] * signed_long_int_Array_0[1][0]) + signed_char_Array_0[0]) > (unsigned_char_Array_0[1] / signed_long_int_Array_0[0][0])) ? (BOOL_unsigned_char_Array_0[0] ? (signed_long_int_Array_0[1][1] == ((signed long int) unsigned_char_Array_0[1])) : 1) : (signed_long_int_Array_0[1][1] == ((signed long int) signed_char_Array_0[1]))) [L99] EXPR ((((((unsigned_char_Array_0[1] - unsigned_char_Array_0[0]) << (unsigned_long_int_Array_0[1] + unsigned_long_int_Array_0[0])) <= signed_long_int_Array_0[1][1]) ? (signed_char_Array_0[2] == ((signed char) ((((unsigned_long_int_Array_0[1]) > (((((signed_char_Array_0[0]) < 0 ) ? -(signed_char_Array_0[0]) : (signed_char_Array_0[0]))))) ? (unsigned_long_int_Array_0[1]) : (((((signed_char_Array_0[0]) < 0 ) ? -(signed_char_Array_0[0]) : (signed_char_Array_0[0])))))))) : (BOOL_unsigned_char_Array_0[0] ? (signed_char_Array_0[2] == ((signed char) unsigned_long_int_Array_0[0])) : 1)) && ((signed_char_Array_0[1] < unsigned_char_Array_0[0]) ? ((last_1_signed_long_int_Array_0_1__1_ > signed_char_Array_0[1]) ? (signed_long_int_Array_0[0][1] == ((signed long int) (unsigned_char_Array_0[0] - signed_char_Array_0[0]))) : 1) : (((signed_char_Array_0[0] + ((((unsigned_char_Array_0[1]) < 0 ) ? -(unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1])))) > signed_char_Array_0[1]) ? (signed_long_int_Array_0[0][1] == ((signed long int) signed_char_Array_0[0])) : 1))) && ((((signed_long_int_Array_0[0][1] * signed_long_int_Array_0[1][0]) + signed_char_Array_0[0]) > (unsigned_char_Array_0[1] / signed_long_int_Array_0[0][0])) ? (BOOL_unsigned_char_Array_0[0] ? (signed_long_int_Array_0[1][1] == ((signed long int) unsigned_char_Array_0[1])) : 1) : (signed_long_int_Array_0[1][1] == ((signed long int) signed_char_Array_0[1])))) && (signed_long_int_Array_0[1][0] == ((signed long int) signed_char_Array_0[1])) [L99-L100] return ((((((unsigned_char_Array_0[1] - unsigned_char_Array_0[0]) << (unsigned_long_int_Array_0[1] + unsigned_long_int_Array_0[0])) <= signed_long_int_Array_0[1][1]) ? (signed_char_Array_0[2] == ((signed char) ((((unsigned_long_int_Array_0[1]) > (((((signed_char_Array_0[0]) < 0 ) ? -(signed_char_Array_0[0]) : (signed_char_Array_0[0]))))) ? (unsigned_long_int_Array_0[1]) : (((((signed_char_Array_0[0]) < 0 ) ? -(signed_char_Array_0[0]) : (signed_char_Array_0[0])))))))) : (BOOL_unsigned_char_Array_0[0] ? (signed_char_Array_0[2] == ((signed char) unsigned_long_int_Array_0[0])) : 1)) && ((signed_char_Array_0[1] < unsigned_char_Array_0[0]) ? ((last_1_signed_long_int_Array_0_1__1_ > signed_char_Array_0[1]) ? (signed_long_int_Array_0[0][1] == ((signed long int) (unsigned_char_Array_0[0] - signed_char_Array_0[0]))) : 1) : (((signed_char_Array_0[0] + ((((unsigned_char_Array_0[1]) < 0 ) ? -(unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1])))) > signed_char_Array_0[1]) ? (signed_long_int_Array_0[0][1] == ((signed long int) signed_char_Array_0[0])) : 1))) && ((((signed_long_int_Array_0[0][1] * signed_long_int_Array_0[1][0]) + signed_char_Array_0[0]) > (unsigned_char_Array_0[1] / signed_long_int_Array_0[0][0])) ? (BOOL_unsigned_char_Array_0[0] ? (signed_long_int_Array_0[1][1] == ((signed long int) unsigned_char_Array_0[1])) : 1) : (signed_long_int_Array_0[1][1] == ((signed long int) signed_char_Array_0[1])))) && (signed_long_int_Array_0[1][0] == ((signed long int) signed_char_Array_0[1])) ; [L109] RET, EXPR property() [L109] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [BOOL_unsigned_char_Array_0={4:0}, isInitial=1, last_1_signed_long_int_Array_0_1__1_=10, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L19] reach_error() VAL [BOOL_unsigned_char_Array_0={4:0}, isInitial=1, last_1_signed_long_int_Array_0_1__1_=10, signed_char_Array_0={5:0}, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 43 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.1s, OverallIterations: 1, TraceHistogramMax: 17, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=43occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 3.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 144 NumberOfCodeBlocks, 144 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 06:12:18,559 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cefec1d7-2e67-4789-b4b9-1eedfee39306/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_cefec1d7-2e67-4789-b4b9-1eedfee39306/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cefec1d7-2e67-4789-b4b9-1eedfee39306/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_cefec1d7-2e67-4789-b4b9-1eedfee39306/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cefec1d7-2e67-4789-b4b9-1eedfee39306/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-19.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cefec1d7-2e67-4789-b4b9-1eedfee39306/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cefec1d7-2e67-4789-b4b9-1eedfee39306/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 81c7729345d5d6e6cfdedd64c331a4f8f6005773af2c566c0c24cc964b2ec390 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 06:12:21,070 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:12:21,166 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cefec1d7-2e67-4789-b4b9-1eedfee39306/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-09 06:12:21,174 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:12:21,175 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:12:21,210 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:12:21,211 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:12:21,212 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:12:21,213 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:12:21,215 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:12:21,215 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 06:12:21,216 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 06:12:21,216 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 06:12:21,217 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 06:12:21,218 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 06:12:21,218 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 06:12:21,219 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:12:21,219 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:12:21,223 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 06:12:21,224 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 06:12:21,224 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:12:21,224 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:12:21,225 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:12:21,225 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:12:21,225 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 06:12:21,226 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 06:12:21,226 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:12:21,226 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 06:12:21,227 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 06:12:21,227 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:12:21,228 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:12:21,228 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:12:21,229 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 06:12:21,229 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 06:12:21,229 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:12:21,229 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:12:21,230 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:12:21,230 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:12:21,230 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:12:21,231 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 06:12:21,231 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 06:12:21,233 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:12:21,244 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 06:12:21,244 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_cefec1d7-2e67-4789-b4b9-1eedfee39306/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cefec1d7-2e67-4789-b4b9-1eedfee39306/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 81c7729345d5d6e6cfdedd64c331a4f8f6005773af2c566c0c24cc964b2ec390 [2024-11-09 06:12:21,666 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:12:21,697 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:12:21,699 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:12:21,701 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:12:21,701 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:12:21,703 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cefec1d7-2e67-4789-b4b9-1eedfee39306/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-19.i Unable to find full path for "g++" [2024-11-09 06:12:23,829 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:12:24,058 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:12:24,059 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cefec1d7-2e67-4789-b4b9-1eedfee39306/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-19.i [2024-11-09 06:12:24,072 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cefec1d7-2e67-4789-b4b9-1eedfee39306/bin/utaipan-verify-YMUCfTKeje/data/9562dff97/c2a0debe795744e897beeb0f7247e424/FLAG381df4a05 [2024-11-09 06:12:24,092 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cefec1d7-2e67-4789-b4b9-1eedfee39306/bin/utaipan-verify-YMUCfTKeje/data/9562dff97/c2a0debe795744e897beeb0f7247e424 [2024-11-09 06:12:24,094 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:12:24,096 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:12:24,097 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:12:24,098 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:12:24,104 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:12:24,105 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:12:24" (1/1) ... [2024-11-09 06:12:24,108 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d38a7fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:12:24, skipping insertion in model container [2024-11-09 06:12:24,109 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:12:24" (1/1) ... [2024-11-09 06:12:24,146 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:12:24,338 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_cefec1d7-2e67-4789-b4b9-1eedfee39306/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-19.i[916,929] [2024-11-09 06:12:24,447 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:12:24,491 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:12:24,509 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_cefec1d7-2e67-4789-b4b9-1eedfee39306/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-19.i[916,929] [2024-11-09 06:12:24,615 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:12:24,647 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:12:24,647 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:12:24 WrapperNode [2024-11-09 06:12:24,647 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:12:24,649 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:12:24,650 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:12:24,650 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:12:24,659 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:12:24" (1/1) ... [2024-11-09 06:12:24,686 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:12:24" (1/1) ... [2024-11-09 06:12:24,748 INFO L138 Inliner]: procedures = 30, calls = 157, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 450 [2024-11-09 06:12:24,749 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:12:24,750 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:12:24,750 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:12:24,750 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:12:24,762 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:12:24" (1/1) ... [2024-11-09 06:12:24,763 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:12:24" (1/1) ... [2024-11-09 06:12:24,778 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:12:24" (1/1) ... [2024-11-09 06:12:24,779 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:12:24" (1/1) ... [2024-11-09 06:12:24,822 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:12:24" (1/1) ... [2024-11-09 06:12:24,830 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:12:24" (1/1) ... [2024-11-09 06:12:24,836 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:12:24" (1/1) ... [2024-11-09 06:12:24,842 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:12:24" (1/1) ... [2024-11-09 06:12:24,850 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:12:24,851 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:12:24,852 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:12:24,852 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:12:24,853 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:12:24" (1/1) ... [2024-11-09 06:12:24,859 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:12:24,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cefec1d7-2e67-4789-b4b9-1eedfee39306/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:12:24,888 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cefec1d7-2e67-4789-b4b9-1eedfee39306/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 06:12:24,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cefec1d7-2e67-4789-b4b9-1eedfee39306/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 06:12:24,928 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:12:24,929 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-11-09 06:12:24,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 06:12:24,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-11-09 06:12:24,929 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-09 06:12:24,930 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 06:12:24,930 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 06:12:24,930 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:12:24,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:12:24,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-11-09 06:12:24,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-09 06:12:25,088 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:12:25,091 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:12:25,933 INFO L? ?]: Removed 106 outVars from TransFormulas that were not future-live. [2024-11-09 06:12:25,934 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:12:25,951 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:12:25,954 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 06:12:25,954 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:12:25 BoogieIcfgContainer [2024-11-09 06:12:25,954 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:12:25,957 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:12:25,957 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:12:25,961 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:12:25,961 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:12:24" (1/3) ... [2024-11-09 06:12:25,963 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a320aa8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:12:25, skipping insertion in model container [2024-11-09 06:12:25,963 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:12:24" (2/3) ... [2024-11-09 06:12:25,963 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a320aa8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:12:25, skipping insertion in model container [2024-11-09 06:12:25,965 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:12:25" (3/3) ... [2024-11-09 06:12:25,966 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-19.i [2024-11-09 06:12:25,987 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:12:25,987 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 06:12:26,071 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:12:26,080 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;@20ba5f71, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:12:26,080 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 06:12:26,086 INFO L276 IsEmpty]: Start isEmpty. Operand has 97 states, 77 states have (on average 1.3896103896103895) internal successors, (107), 78 states have internal predecessors, (107), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-09 06:12:26,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-09 06:12:26,104 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:12:26,104 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 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, 1, 1] [2024-11-09 06:12:26,105 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:12:26,113 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:12:26,113 INFO L85 PathProgramCache]: Analyzing trace with hash 68747915, now seen corresponding path program 1 times [2024-11-09 06:12:26,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:12:26,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [858036834] [2024-11-09 06:12:26,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:12:26,134 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:12:26,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cefec1d7-2e67-4789-b4b9-1eedfee39306/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:12:26,139 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cefec1d7-2e67-4789-b4b9-1eedfee39306/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 06:12:26,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cefec1d7-2e67-4789-b4b9-1eedfee39306/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-09 06:12:26,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:12:26,499 INFO L255 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 06:12:26,509 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:12:26,553 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 288 proven. 0 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked. [2024-11-09 06:12:26,553 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:12:26,554 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:12:26,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [858036834] [2024-11-09 06:12:26,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [858036834] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:12:26,555 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:12:26,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:12:26,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954463333] [2024-11-09 06:12:26,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:12:26,563 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 06:12:26,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:12:26,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 06:12:26,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 06:12:26,592 INFO L87 Difference]: Start difference. First operand has 97 states, 77 states have (on average 1.3896103896103895) internal successors, (107), 78 states have internal predecessors, (107), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-09 06:12:26,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:12:26,628 INFO L93 Difference]: Finished difference Result 187 states and 293 transitions. [2024-11-09 06:12:26,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 06:12:26,633 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 129 [2024-11-09 06:12:26,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:12:26,645 INFO L225 Difference]: With dead ends: 187 [2024-11-09 06:12:26,646 INFO L226 Difference]: Without dead ends: 93 [2024-11-09 06:12:26,650 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 06:12:26,654 INFO L432 NwaCegarLoop]: 132 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 06:12:26,655 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 06:12:26,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2024-11-09 06:12:26,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2024-11-09 06:12:26,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 74 states have (on average 1.3243243243243243) internal successors, (98), 74 states have internal predecessors, (98), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-09 06:12:26,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 132 transitions. [2024-11-09 06:12:26,708 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 132 transitions. Word has length 129 [2024-11-09 06:12:26,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:12:26,708 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 132 transitions. [2024-11-09 06:12:26,709 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-09 06:12:26,709 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 132 transitions. [2024-11-09 06:12:26,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-09 06:12:26,712 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:12:26,713 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 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, 1, 1] [2024-11-09 06:12:26,723 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cefec1d7-2e67-4789-b4b9-1eedfee39306/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-09 06:12:26,916 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cefec1d7-2e67-4789-b4b9-1eedfee39306/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:12:26,917 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:12:26,918 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:12:26,918 INFO L85 PathProgramCache]: Analyzing trace with hash -164325207, now seen corresponding path program 1 times [2024-11-09 06:12:26,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:12:26,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [840279414] [2024-11-09 06:12:26,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:12:26,919 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:12:26,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cefec1d7-2e67-4789-b4b9-1eedfee39306/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:12:26,922 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cefec1d7-2e67-4789-b4b9-1eedfee39306/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 06:12:26,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cefec1d7-2e67-4789-b4b9-1eedfee39306/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-09 06:12:27,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:12:27,231 INFO L255 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 06:12:27,236 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:12:27,317 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-09 06:12:27,318 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:12:27,318 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:12:27,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [840279414] [2024-11-09 06:12:27,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [840279414] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:12:27,319 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:12:27,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 06:12:27,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759231289] [2024-11-09 06:12:27,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:12:27,321 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 06:12:27,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:12:27,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 06:12:27,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 06:12:27,323 INFO L87 Difference]: Start difference. First operand 93 states and 132 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-09 06:12:27,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:12:27,445 INFO L93 Difference]: Finished difference Result 188 states and 268 transitions. [2024-11-09 06:12:27,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 06:12:27,446 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 129 [2024-11-09 06:12:27,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:12:27,451 INFO L225 Difference]: With dead ends: 188 [2024-11-09 06:12:27,455 INFO L226 Difference]: Without dead ends: 98 [2024-11-09 06:12:27,456 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 06:12:27,458 INFO L432 NwaCegarLoop]: 127 mSDtfsCounter, 1 mSDsluCounter, 368 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 495 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 06:12:27,458 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 495 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 06:12:27,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2024-11-09 06:12:27,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 97. [2024-11-09 06:12:27,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 78 states have (on average 1.3076923076923077) internal successors, (102), 78 states have internal predecessors, (102), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-09 06:12:27,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 136 transitions. [2024-11-09 06:12:27,488 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 136 transitions. Word has length 129 [2024-11-09 06:12:27,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:12:27,494 INFO L471 AbstractCegarLoop]: Abstraction has 97 states and 136 transitions. [2024-11-09 06:12:27,494 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-09 06:12:27,494 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 136 transitions. [2024-11-09 06:12:27,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-09 06:12:27,500 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:12:27,500 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 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, 1, 1] [2024-11-09 06:12:27,509 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cefec1d7-2e67-4789-b4b9-1eedfee39306/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-11-09 06:12:27,700 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cefec1d7-2e67-4789-b4b9-1eedfee39306/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:12:27,701 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:12:27,702 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:12:27,702 INFO L85 PathProgramCache]: Analyzing trace with hash -162478165, now seen corresponding path program 1 times [2024-11-09 06:12:27,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:12:27,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1482547255] [2024-11-09 06:12:27,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:12:27,704 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:12:27,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cefec1d7-2e67-4789-b4b9-1eedfee39306/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:12:27,707 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cefec1d7-2e67-4789-b4b9-1eedfee39306/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 06:12:27,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cefec1d7-2e67-4789-b4b9-1eedfee39306/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-09 06:12:28,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:12:28,131 INFO L255 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 06:12:28,153 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:12:29,369 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 8 treesize of output 1 [2024-11-09 06:12:29,427 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 19 [2024-11-09 06:12:29,536 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 30 [2024-11-09 06:12:29,594 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-09 06:12:29,594 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:12:29,595 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:12:29,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1482547255] [2024-11-09 06:12:29,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1482547255] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:12:29,596 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:12:29,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 06:12:29,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382483975] [2024-11-09 06:12:29,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:12:29,597 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 06:12:29,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:12:29,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 06:12:29,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-09 06:12:29,599 INFO L87 Difference]: Start difference. First operand 97 states and 136 transitions. Second operand has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 6 states have internal predecessors, (47), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-09 06:12:31,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:12:31,050 INFO L93 Difference]: Finished difference Result 235 states and 328 transitions. [2024-11-09 06:12:31,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-09 06:12:31,051 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 6 states have internal predecessors, (47), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 129 [2024-11-09 06:12:31,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:12:31,054 INFO L225 Difference]: With dead ends: 235 [2024-11-09 06:12:31,054 INFO L226 Difference]: Without dead ends: 141 [2024-11-09 06:12:31,055 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2024-11-09 06:12:31,057 INFO L432 NwaCegarLoop]: 93 mSDtfsCounter, 145 mSDsluCounter, 295 mSDsCounter, 0 mSdLazyCounter, 327 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 388 SdHoareTripleChecker+Invalid, 329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 327 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-09 06:12:31,058 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 388 Invalid, 329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 327 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-09 06:12:31,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2024-11-09 06:12:31,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 103. [2024-11-09 06:12:31,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 84 states have (on average 1.3095238095238095) internal successors, (110), 84 states have internal predecessors, (110), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-09 06:12:31,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 144 transitions. [2024-11-09 06:12:31,079 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 144 transitions. Word has length 129 [2024-11-09 06:12:31,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:12:31,080 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 144 transitions. [2024-11-09 06:12:31,081 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 6 states have internal predecessors, (47), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-09 06:12:31,081 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 144 transitions. [2024-11-09 06:12:31,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-09 06:12:31,084 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:12:31,084 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 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, 1, 1] [2024-11-09 06:12:31,099 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cefec1d7-2e67-4789-b4b9-1eedfee39306/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-09 06:12:31,285 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cefec1d7-2e67-4789-b4b9-1eedfee39306/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:12:31,285 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:12:31,286 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:12:31,286 INFO L85 PathProgramCache]: Analyzing trace with hash -1442341843, now seen corresponding path program 1 times [2024-11-09 06:12:31,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:12:31,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [269671303] [2024-11-09 06:12:31,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:12:31,288 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:12:31,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cefec1d7-2e67-4789-b4b9-1eedfee39306/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:12:31,291 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cefec1d7-2e67-4789-b4b9-1eedfee39306/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 06:12:31,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cefec1d7-2e67-4789-b4b9-1eedfee39306/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-09 06:12:31,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:12:31,558 INFO L255 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 06:12:31,563 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:12:31,623 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-09 06:12:31,624 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:12:31,624 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:12:31,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [269671303] [2024-11-09 06:12:31,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [269671303] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:12:31,625 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:12:31,625 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 06:12:31,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539356125] [2024-11-09 06:12:31,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:12:31,626 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 06:12:31,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:12:31,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 06:12:31,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 06:12:31,628 INFO L87 Difference]: Start difference. First operand 103 states and 144 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-09 06:12:32,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:12:32,480 INFO L93 Difference]: Finished difference Result 244 states and 339 transitions. [2024-11-09 06:12:32,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 06:12:32,481 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 129 [2024-11-09 06:12:32,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:12:32,483 INFO L225 Difference]: With dead ends: 244 [2024-11-09 06:12:32,484 INFO L226 Difference]: Without dead ends: 144 [2024-11-09 06:12:32,484 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-09 06:12:32,486 INFO L432 NwaCegarLoop]: 153 mSDtfsCounter, 45 mSDsluCounter, 304 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 457 SdHoareTripleChecker+Invalid, 210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-09 06:12:32,487 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 457 Invalid, 210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 210 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-09 06:12:32,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2024-11-09 06:12:32,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 106. [2024-11-09 06:12:32,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 87 states have (on average 1.3103448275862069) internal successors, (114), 87 states have internal predecessors, (114), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-09 06:12:32,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 148 transitions. [2024-11-09 06:12:32,503 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 148 transitions. Word has length 129 [2024-11-09 06:12:32,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:12:32,504 INFO L471 AbstractCegarLoop]: Abstraction has 106 states and 148 transitions. [2024-11-09 06:12:32,505 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-09 06:12:32,505 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 148 transitions. [2024-11-09 06:12:32,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-09 06:12:32,507 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:12:32,507 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 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, 1, 1, 1] [2024-11-09 06:12:32,518 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cefec1d7-2e67-4789-b4b9-1eedfee39306/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2024-11-09 06:12:32,708 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cefec1d7-2e67-4789-b4b9-1eedfee39306/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:12:32,708 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:12:32,709 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:12:32,709 INFO L85 PathProgramCache]: Analyzing trace with hash -90234188, now seen corresponding path program 1 times [2024-11-09 06:12:32,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 06:12:32,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1525693161] [2024-11-09 06:12:32,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:12:32,711 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 06:12:32,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cefec1d7-2e67-4789-b4b9-1eedfee39306/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 06:12:32,715 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cefec1d7-2e67-4789-b4b9-1eedfee39306/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 06:12:32,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cefec1d7-2e67-4789-b4b9-1eedfee39306/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-09 06:12:33,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:12:33,123 INFO L255 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-11-09 06:12:33,136 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:12:33,265 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2024-11-09 06:12:34,002 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 8 treesize of output 1 [2024-11-09 06:12:34,942 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 24 [2024-11-09 06:12:35,803 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 24 [2024-11-09 06:12:36,336 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 24 [2024-11-09 06:12:37,405 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 38 [2024-11-09 06:12:38,134 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 38 [2024-11-09 06:12:39,195 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 60 [2024-11-09 06:12:39,353 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 51 [2024-11-09 06:12:39,423 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:12:39,423 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 72 treesize of output 59 [2024-11-09 06:12:40,575 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 100 [2024-11-09 06:12:40,610 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 33 [2024-11-09 06:12:41,014 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:12:41,015 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 2 case distinctions, treesize of input 118 treesize of output 50 [2024-11-09 06:12:41,308 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 356 proven. 75 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2024-11-09 06:12:41,308 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:12:41,780 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_132 (Array (_ BitVec 32) (_ BitVec 32)))) (not (let ((.cse1 (store |c_#memory_int| |c_~#signed_char_Array_0~0.base| v_ArrVal_132))) (bvsle (bvshl (let ((.cse0 (select .cse1 |c_~#unsigned_char_Array_0~0.base|))) (bvadd (bvneg ((_ zero_extend 24) ((_ extract 7 0) (select .cse0 |c_~#unsigned_char_Array_0~0.offset|)))) ((_ zero_extend 24) ((_ extract 7 0) (select .cse0 (bvadd |c_~#unsigned_char_Array_0~0.offset| (_ bv1 32))))))) (let ((.cse2 (select .cse1 |c_~#unsigned_long_int_Array_0~0.base|))) (bvadd (select .cse2 |c_~#unsigned_long_int_Array_0~0.offset|) (select .cse2 (bvadd (_ bv4 32) |c_~#unsigned_long_int_Array_0~0.offset|))))) (select (select .cse1 |c_~#signed_long_int_Array_0~0.base|) (bvadd (_ bv12 32) |c_~#signed_long_int_Array_0~0.offset|)))))) is different from false [2024-11-09 06:12:43,128 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_132 (Array (_ BitVec 32) (_ BitVec 32))) (|~#unsigned_long_int_Array_0~0.offset| (_ BitVec 32)) (v_ArrVal_129 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse9 (bvadd (_ bv12 32) |c_~#signed_long_int_Array_0~0.offset|)) (.cse5 ((_ sign_extend 24) ((_ extract 7 0) (select (select (store |c_#memory_int| |c_~#signed_long_int_Array_0~0.base| v_ArrVal_129) |c_~#signed_char_Array_0~0.base|) (bvadd (_ bv1 32) |c_~#signed_char_Array_0~0.offset|)))))) (let ((.cse1 (bvadd |c_~#unsigned_char_Array_0~0.offset| (_ bv1 32))) (.cse4 (bvadd (_ bv4 32) |~#unsigned_long_int_Array_0~0.offset|)) (.cse2 (store |c_#memory_int| |c_~#signed_long_int_Array_0~0.base| (store v_ArrVal_129 .cse9 .cse5)))) (or (bvsle (bvshl (let ((.cse0 (select .cse2 |c_~#unsigned_char_Array_0~0.base|))) (bvadd ((_ zero_extend 24) ((_ extract 7 0) (select .cse0 .cse1))) (bvneg ((_ zero_extend 24) ((_ extract 7 0) (select .cse0 |c_~#unsigned_char_Array_0~0.offset|)))))) (let ((.cse3 (select .cse2 |c_~#unsigned_long_int_Array_0~0.base|))) (bvadd (select .cse3 .cse4) (select .cse3 |~#unsigned_long_int_Array_0~0.offset|)))) .cse5) (not (let ((.cse7 (store .cse2 |c_~#signed_char_Array_0~0.base| v_ArrVal_132))) (bvsle (bvshl (let ((.cse6 (select .cse7 |c_~#unsigned_char_Array_0~0.base|))) (bvadd ((_ zero_extend 24) ((_ extract 7 0) (select .cse6 .cse1))) (bvneg ((_ zero_extend 24) ((_ extract 7 0) (select .cse6 |c_~#unsigned_char_Array_0~0.offset|)))))) (let ((.cse8 (select .cse7 |c_~#unsigned_long_int_Array_0~0.base|))) (bvadd (select .cse8 .cse4) (select .cse8 |~#unsigned_long_int_Array_0~0.offset|)))) (select (select .cse7 |c_~#signed_long_int_Array_0~0.base|) .cse9)))))))) is different from false [2024-11-09 06:12:45,608 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 06:12:45,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1525693161] [2024-11-09 06:12:45,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1525693161] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:12:45,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [855634594] [2024-11-09 06:12:45,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:12:45,610 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 06:12:45,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cefec1d7-2e67-4789-b4b9-1eedfee39306/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 06:12:45,615 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cefec1d7-2e67-4789-b4b9-1eedfee39306/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 06:12:45,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cefec1d7-2e67-4789-b4b9-1eedfee39306/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-09 06:12:46,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:12:46,198 INFO L255 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 67 conjuncts are in the unsatisfiable core [2024-11-09 06:12:46,208 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:12:46,561 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 8 [2024-11-09 06:12:47,641 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 15 treesize of output 1 [2024-11-09 06:12:49,468 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 20 [2024-11-09 06:12:50,241 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 20 [2024-11-09 06:12:50,806 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 18 [2024-11-09 06:12:52,104 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 32 [2024-11-09 06:12:52,850 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 30 [2024-11-09 06:12:55,167 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 62 [2024-11-09 06:12:55,576 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 55 [2024-11-09 06:12:55,631 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2024-11-09 06:12:56,983 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:12:56,984 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 1 case distinctions, treesize of input 123 treesize of output 101 [2024-11-09 06:12:58,142 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 377 proven. 66 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2024-11-09 06:12:58,142 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:13:53,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [855634594] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:13:53,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [133457041] [2024-11-09 06:13:53,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:13:53,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:13:53,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cefec1d7-2e67-4789-b4b9-1eedfee39306/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:13:53,123 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cefec1d7-2e67-4789-b4b9-1eedfee39306/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:13:53,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cefec1d7-2e67-4789-b4b9-1eedfee39306/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-09 06:13:53,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:13:53,768 INFO L255 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 67 conjuncts are in the unsatisfiable core [2024-11-09 06:13:53,776 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:13:54,041 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2024-11-09 06:13:55,701 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 14 treesize of output 10 [2024-11-09 06:14:03,760 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 32 [2024-11-09 06:14:07,568 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 32 [2024-11-09 06:14:08,899 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 32 [2024-11-09 06:14:10,221 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 32 [2024-11-09 06:14:13,392 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 34 [2024-11-09 06:14:21,807 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 76 [2024-11-09 06:14:23,097 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 67 [2024-11-09 06:14:23,255 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:14:23,255 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 87 treesize of output 71 [2024-11-09 06:14:27,498 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 06:14:27,499 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 2 case distinctions, treesize of input 143 treesize of output 109 [2024-11-09 06:14:31,709 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 345 proven. 72 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2024-11-09 06:14:31,709 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:16:24,615 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cefec1d7-2e67-4789-b4b9-1eedfee39306/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 101 [2024-11-09 06:16:24,615 WARN L249 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cefec1d7-2e67-4789-b4b9-1eedfee39306/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) stderr output: (error "out of memory") [2024-11-09 06:16:24,617 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cefec1d7-2e67-4789-b4b9-1eedfee39306/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") [2024-11-09 06:16:24,617 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 06:16:24,618 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 27] total 49 [2024-11-09 06:16:24,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734189456] [2024-11-09 06:16:24,618 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 06:16:24,619 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2024-11-09 06:16:24,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 06:16:24,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2024-11-09 06:16:24,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1833, Invalid=9684, Unknown=47, NotChecked=426, Total=11990 [2024-11-09 06:16:24,626 INFO L87 Difference]: Start difference. First operand 106 states and 148 transitions. Second operand has 50 states, 43 states have (on average 2.697674418604651) internal successors, (116), 47 states have internal predecessors, (116), 13 states have call successors, (34), 8 states have call predecessors, (34), 13 states have return successors, (34), 9 states have call predecessors, (34), 13 states have call successors, (34) [2024-11-09 06:16:24,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 06:16:24,631 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 460 GetRequests, 350 SyntacticMatches, 1 SemanticMatches, 108 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 5548 ImplicationChecksByTransitivity, 163.8s TimeCoverageRelationStatistics Valid=1833, Invalid=9684, Unknown=47, NotChecked=426, Total=11990 [2024-11-09 06:16:24,632 INFO L432 NwaCegarLoop]: 1 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 06:16:24,633 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 06:16:24,641 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cefec1d7-2e67-4789-b4b9-1eedfee39306/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2024-11-09 06:16:24,838 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cefec1d7-2e67-4789-b4b9-1eedfee39306/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2024-11-09 06:16:25,049 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cefec1d7-2e67-4789-b4b9-1eedfee39306/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-09 06:16:25,234 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cefec1d7-2e67-4789-b4b9-1eedfee39306/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cefec1d7-2e67-4789-b4b9-1eedfee39306/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cefec1d7-2e67-4789-b4b9-1eedfee39306/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:16:25,235 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker@4d04e01c at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.lock(ManagedScript.java:82) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.assertCodeBlock(IncrementalHoareTripleChecker.java:360) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.prepareAssertionStackAndAddTransition(IncrementalHoareTripleChecker.java:206) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.checkInternal(IncrementalHoareTripleChecker.java:131) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.ChainingHoareTripleChecker$ProtectedHtc.checkInternal(ChainingHoareTripleChecker.java:460) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.ChainingHoareTripleChecker.checkInternal(ChainingHoareTripleChecker.java:104) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.CachingHoareTripleChecker.checkInternal(CachingHoareTripleChecker.java:99) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton$InternalSuccessorComputationHelper.computeSuccWithSolver(AbstractInterpolantAutomaton.java:357) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.addOtherSuccessors(DeterministicInterpolantAutomaton.java:198) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:78) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:233) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.TotalizeNwa.internalSuccessors(TotalizeNwa.java:246) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ComplementDeterministicNwa.internalSuccessors(ComplementDeterministicNwa.java:121) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:218) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:210) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.addInternalsAndSuccessors(NestedWordAutomatonReachableStates.java:1058) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.(NestedWordAutomatonReachableStates.java:960) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates.(NestedWordAutomatonReachableStates.java:182) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.computeDifference(Difference.java:137) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.(Difference.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.NwaCegarLoop.computeAutomataDifference(NwaCegarLoop.java:373) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.NwaCegarLoop.refineAbstraction(NwaCegarLoop.java:345) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.refineAbstractionInternal(AbstractCegarLoop.java:463) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:414) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:342) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:426) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:312) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:273) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:143) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-09 06:16:25,238 INFO L158 Benchmark]: Toolchain (without parser) took 241142.34ms. Allocated memory was 71.3MB in the beginning and 192.9MB in the end (delta: 121.6MB). Free memory was 46.2MB in the beginning and 146.5MB in the end (delta: -100.3MB). Peak memory consumption was 24.4MB. Max. memory is 16.1GB. [2024-11-09 06:16:25,239 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 71.3MB. Free memory was 47.1MB in the beginning and 47.0MB in the end (delta: 106.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 06:16:25,239 INFO L158 Benchmark]: CACSL2BoogieTranslator took 551.26ms. Allocated memory was 71.3MB in the beginning and 90.2MB in the end (delta: 18.9MB). Free memory was 46.0MB in the beginning and 63.5MB in the end (delta: -17.5MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. [2024-11-09 06:16:25,239 INFO L158 Benchmark]: Boogie Procedure Inliner took 99.59ms. Allocated memory is still 90.2MB. Free memory was 63.4MB in the beginning and 59.8MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 06:16:25,240 INFO L158 Benchmark]: Boogie Preprocessor took 100.13ms. Allocated memory is still 90.2MB. Free memory was 59.8MB in the beginning and 56.3MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 06:16:25,240 INFO L158 Benchmark]: RCFGBuilder took 1103.44ms. Allocated memory is still 90.2MB. Free memory was 56.3MB in the beginning and 49.2MB in the end (delta: 7.2MB). Peak memory consumption was 22.2MB. Max. memory is 16.1GB. [2024-11-09 06:16:25,241 INFO L158 Benchmark]: TraceAbstraction took 239280.96ms. Allocated memory was 90.2MB in the beginning and 192.9MB in the end (delta: 102.8MB). Free memory was 48.7MB in the beginning and 146.5MB in the end (delta: -97.8MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. [2024-11-09 06:16:25,244 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 71.3MB. Free memory was 47.1MB in the beginning and 47.0MB in the end (delta: 106.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 551.26ms. Allocated memory was 71.3MB in the beginning and 90.2MB in the end (delta: 18.9MB). Free memory was 46.0MB in the beginning and 63.5MB in the end (delta: -17.5MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 99.59ms. Allocated memory is still 90.2MB. Free memory was 63.4MB in the beginning and 59.8MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 100.13ms. Allocated memory is still 90.2MB. Free memory was 59.8MB in the beginning and 56.3MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1103.44ms. Allocated memory is still 90.2MB. Free memory was 56.3MB in the beginning and 49.2MB in the end (delta: 7.2MB). Peak memory consumption was 22.2MB. Max. memory is 16.1GB. * TraceAbstraction took 239280.96ms. Allocated memory was 90.2MB in the beginning and 192.9MB in the end (delta: 102.8MB). Free memory was 48.7MB in the beginning and 146.5MB in the end (delta: -97.8MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker@4d04e01c de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker@4d04e01c: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.lock(ManagedScript.java:82) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker@4d04e01c