./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-54.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d47fa4e5-f4da-4dc8-a0ec-485b31d21db9/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d47fa4e5-f4da-4dc8-a0ec-485b31d21db9/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d47fa4e5-f4da-4dc8-a0ec-485b31d21db9/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d47fa4e5-f4da-4dc8-a0ec-485b31d21db9/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-54.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d47fa4e5-f4da-4dc8-a0ec-485b31d21db9/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d47fa4e5-f4da-4dc8-a0ec-485b31d21db9/bin/uautomizer-verify-LYvppIcaGC --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b6271bd0a37fb423024bed9c2fae52ec13738291896513228b822cdc7afdfa85 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 18:32:49,250 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 18:32:49,336 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d47fa4e5-f4da-4dc8-a0ec-485b31d21db9/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-23 18:32:49,347 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 18:32:49,347 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 18:32:49,379 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 18:32:49,380 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 18:32:49,381 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 18:32:49,382 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 18:32:49,382 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 18:32:49,383 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 18:32:49,383 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 18:32:49,383 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 18:32:49,383 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 18:32:49,384 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 18:32:49,384 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 18:32:49,384 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 18:32:49,384 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 18:32:49,385 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 18:32:49,385 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 18:32:49,385 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 18:32:49,385 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 18:32:49,385 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 18:32:49,385 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 18:32:49,385 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 18:32:49,385 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 18:32:49,385 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 18:32:49,385 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 18:32:49,385 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 18:32:49,385 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 18:32:49,385 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 18:32:49,385 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 18:32:49,386 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:32:49,386 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 18:32:49,386 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 18:32:49,386 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 18:32:49,386 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 18:32:49,387 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:32:49,387 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 18:32:49,387 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 18:32:49,387 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 18:32:49,387 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 18:32:49,387 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 18:32:49,387 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 18:32:49,387 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 18:32:49,387 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 18:32:49,387 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 18:32:49,387 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 18:32:49,388 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_d47fa4e5-f4da-4dc8-a0ec-485b31d21db9/bin/uautomizer-verify-LYvppIcaGC 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 -> Automizer 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 -> b6271bd0a37fb423024bed9c2fae52ec13738291896513228b822cdc7afdfa85 [2024-11-23 18:32:49,681 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 18:32:49,692 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 18:32:49,695 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 18:32:49,696 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 18:32:49,697 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 18:32:49,698 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d47fa4e5-f4da-4dc8-a0ec-485b31d21db9/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-54.i [2024-11-23 18:32:52,714 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d47fa4e5-f4da-4dc8-a0ec-485b31d21db9/bin/uautomizer-verify-LYvppIcaGC/data/71d763456/a74dc4b7fed94ed5926228b900fca08e/FLAGfb994627f [2024-11-23 18:32:53,000 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 18:32:53,001 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d47fa4e5-f4da-4dc8-a0ec-485b31d21db9/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-54.i [2024-11-23 18:32:53,019 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d47fa4e5-f4da-4dc8-a0ec-485b31d21db9/bin/uautomizer-verify-LYvppIcaGC/data/71d763456/a74dc4b7fed94ed5926228b900fca08e/FLAGfb994627f [2024-11-23 18:32:53,040 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d47fa4e5-f4da-4dc8-a0ec-485b31d21db9/bin/uautomizer-verify-LYvppIcaGC/data/71d763456/a74dc4b7fed94ed5926228b900fca08e [2024-11-23 18:32:53,042 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 18:32:53,044 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 18:32:53,047 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 18:32:53,048 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 18:32:53,052 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 18:32:53,053 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:32:53" (1/1) ... [2024-11-23 18:32:53,055 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@630d8ef6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:32:53, skipping insertion in model container [2024-11-23 18:32:53,056 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:32:53" (1/1) ... [2024-11-23 18:32:53,078 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 18:32:53,239 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_d47fa4e5-f4da-4dc8-a0ec-485b31d21db9/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-54.i[916,929] [2024-11-23 18:32:53,324 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 18:32:53,335 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 18:32:53,348 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_d47fa4e5-f4da-4dc8-a0ec-485b31d21db9/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-54.i[916,929] [2024-11-23 18:32:53,388 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 18:32:53,410 INFO L204 MainTranslator]: Completed translation [2024-11-23 18:32:53,410 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:32:53 WrapperNode [2024-11-23 18:32:53,411 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 18:32:53,412 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 18:32:53,412 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 18:32:53,412 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 18:32:53,419 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:32:53" (1/1) ... [2024-11-23 18:32:53,433 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:32:53" (1/1) ... [2024-11-23 18:32:53,480 INFO L138 Inliner]: procedures = 30, calls = 139, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 463 [2024-11-23 18:32:53,481 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 18:32:53,481 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 18:32:53,482 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 18:32:53,482 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 18:32:53,497 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:32:53" (1/1) ... [2024-11-23 18:32:53,497 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:32:53" (1/1) ... [2024-11-23 18:32:53,502 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:32:53" (1/1) ... [2024-11-23 18:32:53,508 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2024-11-23 18:32:53,509 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:32:53" (1/1) ... [2024-11-23 18:32:53,509 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:32:53" (1/1) ... [2024-11-23 18:32:53,526 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:32:53" (1/1) ... [2024-11-23 18:32:53,527 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:32:53" (1/1) ... [2024-11-23 18:32:53,532 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:32:53" (1/1) ... [2024-11-23 18:32:53,534 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:32:53" (1/1) ... [2024-11-23 18:32:53,536 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:32:53" (1/1) ... [2024-11-23 18:32:53,540 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 18:32:53,541 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 18:32:53,541 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 18:32:53,541 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 18:32:53,542 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:32:53" (1/1) ... [2024-11-23 18:32:53,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:32:53,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d47fa4e5-f4da-4dc8-a0ec-485b31d21db9/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:32:53,590 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d47fa4e5-f4da-4dc8-a0ec-485b31d21db9/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 18:32:53,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d47fa4e5-f4da-4dc8-a0ec-485b31d21db9/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 18:32:53,617 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 18:32:53,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2024-11-23 18:32:53,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-23 18:32:53,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-23 18:32:53,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-23 18:32:53,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-23 18:32:53,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-23 18:32:53,619 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-23 18:32:53,619 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-23 18:32:53,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-23 18:32:53,619 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 18:32:53,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 18:32:53,743 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 18:32:53,745 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 18:32:54,361 INFO L? ?]: Removed 120 outVars from TransFormulas that were not future-live. [2024-11-23 18:32:54,361 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 18:32:54,372 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 18:32:54,373 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-23 18:32:54,373 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:32:54 BoogieIcfgContainer [2024-11-23 18:32:54,373 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 18:32:54,375 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 18:32:54,376 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 18:32:54,381 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 18:32:54,381 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 06:32:53" (1/3) ... [2024-11-23 18:32:54,381 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@108b3ccb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:32:54, skipping insertion in model container [2024-11-23 18:32:54,381 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:32:53" (2/3) ... [2024-11-23 18:32:54,382 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@108b3ccb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:32:54, skipping insertion in model container [2024-11-23 18:32:54,382 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:32:54" (3/3) ... [2024-11-23 18:32:54,383 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-54.i [2024-11-23 18:32:54,417 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 18:32:54,418 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-s_file-54.i that has 2 procedures, 110 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-23 18:32:54,482 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 18:32:54,496 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=PETRI_NET, 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;@5d6c6666, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 18:32:54,497 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-23 18:32:54,501 INFO L276 IsEmpty]: Start isEmpty. Operand has 110 states, 95 states have (on average 1.4526315789473685) internal successors, (138), 96 states have internal predecessors, (138), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-23 18:32:54,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-23 18:32:54,514 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:32:54,514 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:32:54,515 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:32:54,521 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:32:54,522 INFO L85 PathProgramCache]: Analyzing trace with hash 1606318882, now seen corresponding path program 1 times [2024-11-23 18:32:54,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:32:54,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401780093] [2024-11-23 18:32:54,530 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:32:54,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:32:54,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:32:54,947 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2024-11-23 18:32:54,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:32:54,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401780093] [2024-11-23 18:32:54,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1401780093] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 18:32:54,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [199776299] [2024-11-23 18:32:54,948 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:32:54,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 18:32:54,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d47fa4e5-f4da-4dc8-a0ec-485b31d21db9/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:32:54,953 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d47fa4e5-f4da-4dc8-a0ec-485b31d21db9/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 18:32:54,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d47fa4e5-f4da-4dc8-a0ec-485b31d21db9/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-23 18:32:55,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:32:55,238 INFO L256 TraceCheckSpWp]: Trace formula consists of 388 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-23 18:32:55,249 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:32:55,276 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2024-11-23 18:32:55,278 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:32:55,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [199776299] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:32:55,279 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 18:32:55,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-23 18:32:55,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586027638] [2024-11-23 18:32:55,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:32:55,286 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-23 18:32:55,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:32:55,306 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-23 18:32:55,306 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 18:32:55,308 INFO L87 Difference]: Start difference. First operand has 110 states, 95 states have (on average 1.4526315789473685) internal successors, (138), 96 states have internal predecessors, (138), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-23 18:32:55,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:32:55,335 INFO L93 Difference]: Finished difference Result 213 states and 330 transitions. [2024-11-23 18:32:55,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 18:32:55,337 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) Word has length 105 [2024-11-23 18:32:55,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:32:55,344 INFO L225 Difference]: With dead ends: 213 [2024-11-23 18:32:55,344 INFO L226 Difference]: Without dead ends: 106 [2024-11-23 18:32:55,347 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 18:32:55,350 INFO L435 NwaCegarLoop]: 155 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, 155 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 [2024-11-23 18:32:55,350 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 18:32:55,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2024-11-23 18:32:55,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2024-11-23 18:32:55,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 92 states have (on average 1.423913043478261) internal successors, (131), 92 states have internal predecessors, (131), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-23 18:32:55,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 155 transitions. [2024-11-23 18:32:55,387 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 155 transitions. Word has length 105 [2024-11-23 18:32:55,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:32:55,388 INFO L471 AbstractCegarLoop]: Abstraction has 106 states and 155 transitions. [2024-11-23 18:32:55,388 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-23 18:32:55,388 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 155 transitions. [2024-11-23 18:32:55,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-23 18:32:55,393 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:32:55,393 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:32:55,404 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d47fa4e5-f4da-4dc8-a0ec-485b31d21db9/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-23 18:32:55,593 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d47fa4e5-f4da-4dc8-a0ec-485b31d21db9/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-23 18:32:55,594 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:32:55,594 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:32:55,594 INFO L85 PathProgramCache]: Analyzing trace with hash -1914200370, now seen corresponding path program 1 times [2024-11-23 18:32:55,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:32:55,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138963943] [2024-11-23 18:32:55,595 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:32:55,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:32:55,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:32:56,247 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2024-11-23 18:32:56,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:32:56,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138963943] [2024-11-23 18:32:56,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2138963943] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 18:32:56,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [938549909] [2024-11-23 18:32:56,249 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:32:56,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 18:32:56,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d47fa4e5-f4da-4dc8-a0ec-485b31d21db9/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:32:56,251 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d47fa4e5-f4da-4dc8-a0ec-485b31d21db9/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 18:32:56,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d47fa4e5-f4da-4dc8-a0ec-485b31d21db9/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-23 18:32:56,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:32:56,499 INFO L256 TraceCheckSpWp]: Trace formula consists of 388 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-23 18:32:56,503 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:32:56,547 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-23 18:32:56,547 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:32:56,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [938549909] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:32:56,547 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 18:32:56,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 8 [2024-11-23 18:32:56,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444361061] [2024-11-23 18:32:56,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:32:56,548 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 18:32:56,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:32:56,549 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 18:32:56,549 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-23 18:32:56,550 INFO L87 Difference]: Start difference. First operand 106 states and 155 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-23 18:32:56,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:32:56,597 INFO L93 Difference]: Finished difference Result 212 states and 311 transitions. [2024-11-23 18:32:56,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 18:32:56,597 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 105 [2024-11-23 18:32:56,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:32:56,599 INFO L225 Difference]: With dead ends: 212 [2024-11-23 18:32:56,599 INFO L226 Difference]: Without dead ends: 109 [2024-11-23 18:32:56,600 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-23 18:32:56,601 INFO L435 NwaCegarLoop]: 152 mSDtfsCounter, 1 mSDsluCounter, 293 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 445 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 18:32:56,601 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 445 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 18:32:56,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2024-11-23 18:32:56,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 108. [2024-11-23 18:32:56,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 94 states have (on average 1.4148936170212767) internal successors, (133), 94 states have internal predecessors, (133), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-23 18:32:56,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 157 transitions. [2024-11-23 18:32:56,612 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 157 transitions. Word has length 105 [2024-11-23 18:32:56,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:32:56,613 INFO L471 AbstractCegarLoop]: Abstraction has 108 states and 157 transitions. [2024-11-23 18:32:56,613 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-23 18:32:56,613 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 157 transitions. [2024-11-23 18:32:56,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-23 18:32:56,615 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:32:56,615 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:32:56,625 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d47fa4e5-f4da-4dc8-a0ec-485b31d21db9/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-23 18:32:56,819 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d47fa4e5-f4da-4dc8-a0ec-485b31d21db9/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 18:32:56,820 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:32:56,820 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:32:56,820 INFO L85 PathProgramCache]: Analyzing trace with hash -139193008, now seen corresponding path program 1 times [2024-11-23 18:32:56,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:32:56,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912934453] [2024-11-23 18:32:56,821 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:32:56,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:32:56,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:32:57,165 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2024-11-23 18:32:57,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:32:57,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912934453] [2024-11-23 18:32:57,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [912934453] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 18:32:57,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1163023434] [2024-11-23 18:32:57,168 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:32:57,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 18:32:57,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d47fa4e5-f4da-4dc8-a0ec-485b31d21db9/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:32:57,170 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d47fa4e5-f4da-4dc8-a0ec-485b31d21db9/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 18:32:57,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d47fa4e5-f4da-4dc8-a0ec-485b31d21db9/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-23 18:32:57,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:32:57,407 INFO L256 TraceCheckSpWp]: Trace formula consists of 384 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-23 18:32:57,414 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:32:57,449 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-23 18:32:57,450 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:32:57,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1163023434] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:32:57,450 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 18:32:57,450 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 8 [2024-11-23 18:32:57,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002207611] [2024-11-23 18:32:57,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:32:57,452 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 18:32:57,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:32:57,452 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 18:32:57,453 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-23 18:32:57,454 INFO L87 Difference]: Start difference. First operand 108 states and 157 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-23 18:32:57,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:32:57,509 INFO L93 Difference]: Finished difference Result 216 states and 315 transitions. [2024-11-23 18:32:57,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 18:32:57,513 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 105 [2024-11-23 18:32:57,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:32:57,515 INFO L225 Difference]: With dead ends: 216 [2024-11-23 18:32:57,515 INFO L226 Difference]: Without dead ends: 111 [2024-11-23 18:32:57,515 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-23 18:32:57,516 INFO L435 NwaCegarLoop]: 152 mSDtfsCounter, 1 mSDsluCounter, 296 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 448 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 18:32:57,520 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 448 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 18:32:57,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2024-11-23 18:32:57,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 110. [2024-11-23 18:32:57,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 96 states have (on average 1.40625) internal successors, (135), 96 states have internal predecessors, (135), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-23 18:32:57,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 159 transitions. [2024-11-23 18:32:57,540 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 159 transitions. Word has length 105 [2024-11-23 18:32:57,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:32:57,541 INFO L471 AbstractCegarLoop]: Abstraction has 110 states and 159 transitions. [2024-11-23 18:32:57,541 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-23 18:32:57,541 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 159 transitions. [2024-11-23 18:32:57,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-23 18:32:57,543 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:32:57,543 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:32:57,556 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d47fa4e5-f4da-4dc8-a0ec-485b31d21db9/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-23 18:32:57,743 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d47fa4e5-f4da-4dc8-a0ec-485b31d21db9/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 18:32:57,743 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:32:57,744 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:32:57,744 INFO L85 PathProgramCache]: Analyzing trace with hash -137345966, now seen corresponding path program 1 times [2024-11-23 18:32:57,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:32:57,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102576702] [2024-11-23 18:32:57,744 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:32:57,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:32:57,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:32:58,055 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2024-11-23 18:32:58,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:32:58,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1102576702] [2024-11-23 18:32:58,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1102576702] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 18:32:58,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1513309262] [2024-11-23 18:32:58,056 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:32:58,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 18:32:58,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d47fa4e5-f4da-4dc8-a0ec-485b31d21db9/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:32:58,058 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d47fa4e5-f4da-4dc8-a0ec-485b31d21db9/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 18:32:58,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d47fa4e5-f4da-4dc8-a0ec-485b31d21db9/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-23 18:32:58,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:32:58,297 INFO L256 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-23 18:32:58,300 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:32:58,331 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-23 18:32:58,331 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:32:58,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1513309262] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:32:58,331 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 18:32:58,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 7 [2024-11-23 18:32:58,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108258532] [2024-11-23 18:32:58,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:32:58,332 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 18:32:58,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:32:58,332 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 18:32:58,332 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-23 18:32:58,332 INFO L87 Difference]: Start difference. First operand 110 states and 159 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-23 18:32:58,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:32:58,366 INFO L93 Difference]: Finished difference Result 219 states and 318 transitions. [2024-11-23 18:32:58,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 18:32:58,369 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 105 [2024-11-23 18:32:58,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:32:58,371 INFO L225 Difference]: With dead ends: 219 [2024-11-23 18:32:58,371 INFO L226 Difference]: Without dead ends: 112 [2024-11-23 18:32:58,371 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-23 18:32:58,372 INFO L435 NwaCegarLoop]: 153 mSDtfsCounter, 0 mSDsluCounter, 295 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 448 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 18:32:58,372 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 448 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 18:32:58,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2024-11-23 18:32:58,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2024-11-23 18:32:58,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 98 states have (on average 1.3979591836734695) internal successors, (137), 98 states have internal predecessors, (137), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-23 18:32:58,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 161 transitions. [2024-11-23 18:32:58,382 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 161 transitions. Word has length 105 [2024-11-23 18:32:58,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:32:58,383 INFO L471 AbstractCegarLoop]: Abstraction has 112 states and 161 transitions. [2024-11-23 18:32:58,383 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-23 18:32:58,383 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 161 transitions. [2024-11-23 18:32:58,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-23 18:32:58,384 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:32:58,385 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:32:58,394 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d47fa4e5-f4da-4dc8-a0ec-485b31d21db9/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-23 18:32:58,585 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d47fa4e5-f4da-4dc8-a0ec-485b31d21db9/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 18:32:58,585 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:32:58,586 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:32:58,586 INFO L85 PathProgramCache]: Analyzing trace with hash 1462081101, now seen corresponding path program 1 times [2024-11-23 18:32:58,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:32:58,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651885249] [2024-11-23 18:32:58,586 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:32:58,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:32:58,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:32:59,431 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-23 18:32:59,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:32:59,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1651885249] [2024-11-23 18:32:59,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1651885249] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:32:59,435 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:32:59,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 18:32:59,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638991892] [2024-11-23 18:32:59,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:32:59,436 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 18:32:59,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:32:59,436 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 18:32:59,436 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 18:32:59,436 INFO L87 Difference]: Start difference. First operand 112 states and 161 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-23 18:32:59,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:32:59,932 INFO L93 Difference]: Finished difference Result 323 states and 466 transitions. [2024-11-23 18:32:59,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 18:32:59,932 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 107 [2024-11-23 18:32:59,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:32:59,934 INFO L225 Difference]: With dead ends: 323 [2024-11-23 18:32:59,934 INFO L226 Difference]: Without dead ends: 214 [2024-11-23 18:32:59,935 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-23 18:32:59,935 INFO L435 NwaCegarLoop]: 85 mSDtfsCounter, 125 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 313 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 326 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 313 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-23 18:32:59,936 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 302 Invalid, 326 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 313 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-23 18:32:59,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2024-11-23 18:32:59,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 133. [2024-11-23 18:32:59,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 119 states have (on average 1.4285714285714286) internal successors, (170), 119 states have internal predecessors, (170), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-23 18:32:59,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 194 transitions. [2024-11-23 18:32:59,956 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 194 transitions. Word has length 107 [2024-11-23 18:32:59,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:32:59,956 INFO L471 AbstractCegarLoop]: Abstraction has 133 states and 194 transitions. [2024-11-23 18:32:59,956 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-23 18:32:59,956 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 194 transitions. [2024-11-23 18:32:59,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-23 18:32:59,958 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:32:59,958 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:32:59,958 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-23 18:32:59,958 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:32:59,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:32:59,959 INFO L85 PathProgramCache]: Analyzing trace with hash 544621908, now seen corresponding path program 1 times [2024-11-23 18:32:59,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:32:59,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984997833] [2024-11-23 18:32:59,959 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:32:59,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:33:00,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:33:01,427 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-23 18:33:01,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:33:01,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984997833] [2024-11-23 18:33:01,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [984997833] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:33:01,427 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:33:01,427 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 18:33:01,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951415614] [2024-11-23 18:33:01,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:33:01,428 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 18:33:01,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:33:01,428 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 18:33:01,428 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 18:33:01,429 INFO L87 Difference]: Start difference. First operand 133 states and 194 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-23 18:33:01,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:33:01,753 INFO L93 Difference]: Finished difference Result 368 states and 536 transitions. [2024-11-23 18:33:01,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 18:33:01,753 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 108 [2024-11-23 18:33:01,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:33:01,755 INFO L225 Difference]: With dead ends: 368 [2024-11-23 18:33:01,755 INFO L226 Difference]: Without dead ends: 238 [2024-11-23 18:33:01,756 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-23 18:33:01,759 INFO L435 NwaCegarLoop]: 85 mSDtfsCounter, 103 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 213 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 249 SdHoareTripleChecker+Invalid, 219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 213 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-23 18:33:01,761 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 249 Invalid, 219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 213 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-23 18:33:01,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2024-11-23 18:33:01,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 234. [2024-11-23 18:33:01,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 207 states have (on average 1.4106280193236715) internal successors, (292), 207 states have internal predecessors, (292), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-23 18:33:01,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 340 transitions. [2024-11-23 18:33:01,791 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 340 transitions. Word has length 108 [2024-11-23 18:33:01,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:33:01,791 INFO L471 AbstractCegarLoop]: Abstraction has 234 states and 340 transitions. [2024-11-23 18:33:01,791 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-23 18:33:01,791 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 340 transitions. [2024-11-23 18:33:01,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-23 18:33:01,795 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:33:01,795 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:33:01,795 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-23 18:33:01,796 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:33:01,797 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:33:01,797 INFO L85 PathProgramCache]: Analyzing trace with hash -273026542, now seen corresponding path program 1 times [2024-11-23 18:33:01,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:33:01,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099320617] [2024-11-23 18:33:01,797 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:33:01,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:33:01,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:33:03,345 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-23 18:33:03,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:33:03,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1099320617] [2024-11-23 18:33:03,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1099320617] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:33:03,346 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:33:03,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 18:33:03,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26658404] [2024-11-23 18:33:03,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:33:03,346 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 18:33:03,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:33:03,347 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 18:33:03,347 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-23 18:33:03,347 INFO L87 Difference]: Start difference. First operand 234 states and 340 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-23 18:33:03,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:33:03,808 INFO L93 Difference]: Finished difference Result 469 states and 681 transitions. [2024-11-23 18:33:03,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 18:33:03,808 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 108 [2024-11-23 18:33:03,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:33:03,810 INFO L225 Difference]: With dead ends: 469 [2024-11-23 18:33:03,810 INFO L226 Difference]: Without dead ends: 238 [2024-11-23 18:33:03,811 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-23 18:33:03,812 INFO L435 NwaCegarLoop]: 85 mSDtfsCounter, 96 mSDsluCounter, 215 mSDsCounter, 0 mSdLazyCounter, 308 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 300 SdHoareTripleChecker+Invalid, 313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 308 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-23 18:33:03,812 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 300 Invalid, 313 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 308 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-23 18:33:03,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2024-11-23 18:33:03,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 234. [2024-11-23 18:33:03,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 207 states have (on average 1.4057971014492754) internal successors, (291), 207 states have internal predecessors, (291), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-23 18:33:03,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 339 transitions. [2024-11-23 18:33:03,828 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 339 transitions. Word has length 108 [2024-11-23 18:33:03,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:33:03,829 INFO L471 AbstractCegarLoop]: Abstraction has 234 states and 339 transitions. [2024-11-23 18:33:03,829 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-23 18:33:03,829 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 339 transitions. [2024-11-23 18:33:03,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-23 18:33:03,830 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:33:03,831 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:33:03,831 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-23 18:33:03,831 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:33:03,831 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:33:03,831 INFO L85 PathProgramCache]: Analyzing trace with hash -859832556, now seen corresponding path program 1 times [2024-11-23 18:33:03,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:33:03,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654399490] [2024-11-23 18:33:03,832 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:33:03,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:33:03,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:33:05,116 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-23 18:33:05,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:33:05,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654399490] [2024-11-23 18:33:05,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [654399490] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:33:05,116 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:33:05,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-23 18:33:05,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472090475] [2024-11-23 18:33:05,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:33:05,117 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-23 18:33:05,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:33:05,118 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-23 18:33:05,118 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-23 18:33:05,118 INFO L87 Difference]: Start difference. First operand 234 states and 339 transitions. Second operand has 8 states, 6 states have (on average 8.5) internal successors, (51), 8 states have internal predecessors, (51), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-23 18:33:05,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:33:05,714 INFO L93 Difference]: Finished difference Result 595 states and 850 transitions. [2024-11-23 18:33:05,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-23 18:33:05,715 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 8.5) internal successors, (51), 8 states have internal predecessors, (51), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 3 states have call successors, (12) Word has length 108 [2024-11-23 18:33:05,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:33:05,717 INFO L225 Difference]: With dead ends: 595 [2024-11-23 18:33:05,717 INFO L226 Difference]: Without dead ends: 364 [2024-11-23 18:33:05,718 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-11-23 18:33:05,719 INFO L435 NwaCegarLoop]: 118 mSDtfsCounter, 77 mSDsluCounter, 546 mSDsCounter, 0 mSdLazyCounter, 414 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 664 SdHoareTripleChecker+Invalid, 418 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 414 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-23 18:33:05,719 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 664 Invalid, 418 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 414 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-23 18:33:05,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2024-11-23 18:33:05,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 360. [2024-11-23 18:33:05,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 360 states, 319 states have (on average 1.3699059561128526) internal successors, (437), 321 states have internal predecessors, (437), 36 states have call successors, (36), 4 states have call predecessors, (36), 4 states have return successors, (36), 34 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-23 18:33:05,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 509 transitions. [2024-11-23 18:33:05,749 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 509 transitions. Word has length 108 [2024-11-23 18:33:05,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:33:05,750 INFO L471 AbstractCegarLoop]: Abstraction has 360 states and 509 transitions. [2024-11-23 18:33:05,750 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 8.5) internal successors, (51), 8 states have internal predecessors, (51), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-23 18:33:05,750 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 509 transitions. [2024-11-23 18:33:05,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-23 18:33:05,752 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:33:05,752 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:33:05,752 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-23 18:33:05,753 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:33:05,753 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:33:05,753 INFO L85 PathProgramCache]: Analyzing trace with hash 1112397672, now seen corresponding path program 1 times [2024-11-23 18:33:05,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:33:05,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335699502] [2024-11-23 18:33:05,754 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:33:05,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:33:05,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:33:06,802 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-23 18:33:06,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:33:06,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [335699502] [2024-11-23 18:33:06,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [335699502] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:33:06,803 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:33:06,803 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-23 18:33:06,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314777917] [2024-11-23 18:33:06,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:33:06,804 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-23 18:33:06,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:33:06,804 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-23 18:33:06,804 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-23 18:33:06,805 INFO L87 Difference]: Start difference. First operand 360 states and 509 transitions. Second operand has 10 states, 10 states have (on average 5.2) internal successors, (52), 10 states have internal predecessors, (52), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-23 18:33:08,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:33:08,023 INFO L93 Difference]: Finished difference Result 760 states and 1081 transitions. [2024-11-23 18:33:08,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-23 18:33:08,024 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.2) internal successors, (52), 10 states have internal predecessors, (52), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 109 [2024-11-23 18:33:08,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:33:08,028 INFO L225 Difference]: With dead ends: 760 [2024-11-23 18:33:08,028 INFO L226 Difference]: Without dead ends: 564 [2024-11-23 18:33:08,029 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=42, Invalid=198, Unknown=0, NotChecked=0, Total=240 [2024-11-23 18:33:08,029 INFO L435 NwaCegarLoop]: 207 mSDtfsCounter, 134 mSDsluCounter, 1169 mSDsCounter, 0 mSdLazyCounter, 948 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 1376 SdHoareTripleChecker+Invalid, 962 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 948 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-23 18:33:08,030 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 1376 Invalid, 962 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 948 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-23 18:33:08,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2024-11-23 18:33:08,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 388. [2024-11-23 18:33:08,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 388 states, 347 states have (on average 1.3861671469740633) internal successors, (481), 349 states have internal predecessors, (481), 36 states have call successors, (36), 4 states have call predecessors, (36), 4 states have return successors, (36), 34 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-23 18:33:08,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 388 states and 553 transitions. [2024-11-23 18:33:08,060 INFO L78 Accepts]: Start accepts. Automaton has 388 states and 553 transitions. Word has length 109 [2024-11-23 18:33:08,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:33:08,061 INFO L471 AbstractCegarLoop]: Abstraction has 388 states and 553 transitions. [2024-11-23 18:33:08,061 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.2) internal successors, (52), 10 states have internal predecessors, (52), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-23 18:33:08,061 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 553 transitions. [2024-11-23 18:33:08,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-23 18:33:08,063 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:33:08,063 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:33:08,063 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-23 18:33:08,063 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:33:08,064 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:33:08,064 INFO L85 PathProgramCache]: Analyzing trace with hash 101280422, now seen corresponding path program 1 times [2024-11-23 18:33:08,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:33:08,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083773793] [2024-11-23 18:33:08,064 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:33:08,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:33:08,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:33:09,078 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-23 18:33:09,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:33:09,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083773793] [2024-11-23 18:33:09,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2083773793] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:33:09,079 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:33:09,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 18:33:09,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491980997] [2024-11-23 18:33:09,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:33:09,079 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 18:33:09,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:33:09,080 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 18:33:09,080 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-23 18:33:09,080 INFO L87 Difference]: Start difference. First operand 388 states and 553 transitions. Second operand has 6 states, 5 states have (on average 10.4) internal successors, (52), 6 states have internal predecessors, (52), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-23 18:33:09,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:33:09,531 INFO L93 Difference]: Finished difference Result 697 states and 994 transitions. [2024-11-23 18:33:09,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 18:33:09,531 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.4) internal successors, (52), 6 states have internal predecessors, (52), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) Word has length 109 [2024-11-23 18:33:09,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:33:09,535 INFO L225 Difference]: With dead ends: 697 [2024-11-23 18:33:09,535 INFO L226 Difference]: Without dead ends: 473 [2024-11-23 18:33:09,536 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-23 18:33:09,539 INFO L435 NwaCegarLoop]: 184 mSDtfsCounter, 152 mSDsluCounter, 371 mSDsCounter, 0 mSdLazyCounter, 315 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 555 SdHoareTripleChecker+Invalid, 325 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 315 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-23 18:33:09,540 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 555 Invalid, 325 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 315 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-23 18:33:09,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 473 states. [2024-11-23 18:33:09,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 473 to 388. [2024-11-23 18:33:09,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 388 states, 347 states have (on average 1.3804034582132565) internal successors, (479), 349 states have internal predecessors, (479), 36 states have call successors, (36), 4 states have call predecessors, (36), 4 states have return successors, (36), 34 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-23 18:33:09,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 388 states and 551 transitions. [2024-11-23 18:33:09,586 INFO L78 Accepts]: Start accepts. Automaton has 388 states and 551 transitions. Word has length 109 [2024-11-23 18:33:09,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:33:09,587 INFO L471 AbstractCegarLoop]: Abstraction has 388 states and 551 transitions. [2024-11-23 18:33:09,588 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.4) internal successors, (52), 6 states have internal predecessors, (52), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-23 18:33:09,588 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 551 transitions. [2024-11-23 18:33:09,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-23 18:33:09,593 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:33:09,593 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:33:09,593 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-23 18:33:09,593 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:33:09,593 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:33:09,593 INFO L85 PathProgramCache]: Analyzing trace with hash 978384166, now seen corresponding path program 1 times [2024-11-23 18:33:09,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:33:09,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565076678] [2024-11-23 18:33:09,594 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:33:09,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:33:09,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:33:10,551 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-23 18:33:10,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:33:10,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565076678] [2024-11-23 18:33:10,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [565076678] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:33:10,551 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:33:10,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 18:33:10,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851853309] [2024-11-23 18:33:10,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:33:10,552 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 18:33:10,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:33:10,553 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 18:33:10,553 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 18:33:10,553 INFO L87 Difference]: Start difference. First operand 388 states and 551 transitions. Second operand has 6 states, 5 states have (on average 10.4) internal successors, (52), 6 states have internal predecessors, (52), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-23 18:33:11,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:33:11,096 INFO L93 Difference]: Finished difference Result 699 states and 992 transitions. [2024-11-23 18:33:11,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 18:33:11,097 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.4) internal successors, (52), 6 states have internal predecessors, (52), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) Word has length 109 [2024-11-23 18:33:11,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:33:11,100 INFO L225 Difference]: With dead ends: 699 [2024-11-23 18:33:11,100 INFO L226 Difference]: Without dead ends: 475 [2024-11-23 18:33:11,100 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-23 18:33:11,101 INFO L435 NwaCegarLoop]: 176 mSDtfsCounter, 79 mSDsluCounter, 454 mSDsCounter, 0 mSdLazyCounter, 439 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 630 SdHoareTripleChecker+Invalid, 445 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 439 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-23 18:33:11,101 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 630 Invalid, 445 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 439 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-23 18:33:11,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 475 states. [2024-11-23 18:33:11,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 475 to 388. [2024-11-23 18:33:11,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 388 states, 347 states have (on average 1.3746397694524495) internal successors, (477), 349 states have internal predecessors, (477), 36 states have call successors, (36), 4 states have call predecessors, (36), 4 states have return successors, (36), 34 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-23 18:33:11,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 388 states and 549 transitions. [2024-11-23 18:33:11,129 INFO L78 Accepts]: Start accepts. Automaton has 388 states and 549 transitions. Word has length 109 [2024-11-23 18:33:11,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:33:11,130 INFO L471 AbstractCegarLoop]: Abstraction has 388 states and 549 transitions. [2024-11-23 18:33:11,130 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.4) internal successors, (52), 6 states have internal predecessors, (52), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-23 18:33:11,130 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 549 transitions. [2024-11-23 18:33:11,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-23 18:33:11,132 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:33:11,132 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:33:11,132 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-23 18:33:11,132 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:33:11,133 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:33:11,133 INFO L85 PathProgramCache]: Analyzing trace with hash -32733084, now seen corresponding path program 1 times [2024-11-23 18:33:11,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:33:11,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281018065] [2024-11-23 18:33:11,133 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:33:11,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:33:11,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:33:11,545 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-23 18:33:11,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:33:11,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281018065] [2024-11-23 18:33:11,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [281018065] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:33:11,546 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:33:11,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-23 18:33:11,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564864143] [2024-11-23 18:33:11,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:33:11,548 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-23 18:33:11,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:33:11,549 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-23 18:33:11,549 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-23 18:33:11,549 INFO L87 Difference]: Start difference. First operand 388 states and 549 transitions. Second operand has 8 states, 8 states have (on average 6.5) internal successors, (52), 8 states have internal predecessors, (52), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-23 18:33:12,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:33:12,098 INFO L93 Difference]: Finished difference Result 782 states and 1107 transitions. [2024-11-23 18:33:12,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-23 18:33:12,099 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.5) internal successors, (52), 8 states have internal predecessors, (52), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 109 [2024-11-23 18:33:12,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:33:12,103 INFO L225 Difference]: With dead ends: 782 [2024-11-23 18:33:12,103 INFO L226 Difference]: Without dead ends: 558 [2024-11-23 18:33:12,104 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2024-11-23 18:33:12,105 INFO L435 NwaCegarLoop]: 228 mSDtfsCounter, 129 mSDsluCounter, 960 mSDsCounter, 0 mSdLazyCounter, 484 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 1188 SdHoareTripleChecker+Invalid, 498 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 484 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-23 18:33:12,105 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 1188 Invalid, 498 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 484 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-23 18:33:12,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 558 states. [2024-11-23 18:33:12,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 558 to 382. [2024-11-23 18:33:12,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 382 states, 341 states have (on average 1.3753665689149561) internal successors, (469), 343 states have internal predecessors, (469), 36 states have call successors, (36), 4 states have call predecessors, (36), 4 states have return successors, (36), 34 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-23 18:33:12,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 541 transitions. [2024-11-23 18:33:12,142 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 541 transitions. Word has length 109 [2024-11-23 18:33:12,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:33:12,144 INFO L471 AbstractCegarLoop]: Abstraction has 382 states and 541 transitions. [2024-11-23 18:33:12,145 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.5) internal successors, (52), 8 states have internal predecessors, (52), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-23 18:33:12,145 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 541 transitions. [2024-11-23 18:33:12,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-23 18:33:12,147 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:33:12,147 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:33:12,147 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-23 18:33:12,147 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:33:12,148 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:33:12,148 INFO L85 PathProgramCache]: Analyzing trace with hash 1438926694, now seen corresponding path program 1 times [2024-11-23 18:33:12,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:33:12,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281118909] [2024-11-23 18:33:12,148 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:33:12,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:33:12,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:33:12,499 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-23 18:33:12,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:33:12,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1281118909] [2024-11-23 18:33:12,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1281118909] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:33:12,500 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:33:12,500 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 18:33:12,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382470826] [2024-11-23 18:33:12,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:33:12,500 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 18:33:12,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:33:12,501 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 18:33:12,501 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 18:33:12,501 INFO L87 Difference]: Start difference. First operand 382 states and 541 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-23 18:33:12,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:33:12,895 INFO L93 Difference]: Finished difference Result 440 states and 615 transitions. [2024-11-23 18:33:12,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 18:33:12,896 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 110 [2024-11-23 18:33:12,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:33:12,899 INFO L225 Difference]: With dead ends: 440 [2024-11-23 18:33:12,899 INFO L226 Difference]: Without dead ends: 438 [2024-11-23 18:33:12,899 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-23 18:33:12,899 INFO L435 NwaCegarLoop]: 132 mSDtfsCounter, 113 mSDsluCounter, 433 mSDsCounter, 0 mSdLazyCounter, 315 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 565 SdHoareTripleChecker+Invalid, 327 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 315 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-23 18:33:12,900 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 565 Invalid, 327 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 315 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-23 18:33:12,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 438 states. [2024-11-23 18:33:12,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 438 to 437. [2024-11-23 18:33:12,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 437 states, 383 states have (on average 1.349869451697128) internal successors, (517), 386 states have internal predecessors, (517), 46 states have call successors, (46), 7 states have call predecessors, (46), 7 states have return successors, (46), 43 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-23 18:33:12,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 437 states and 609 transitions. [2024-11-23 18:33:12,937 INFO L78 Accepts]: Start accepts. Automaton has 437 states and 609 transitions. Word has length 110 [2024-11-23 18:33:12,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:33:12,938 INFO L471 AbstractCegarLoop]: Abstraction has 437 states and 609 transitions. [2024-11-23 18:33:12,938 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-23 18:33:12,938 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 609 transitions. [2024-11-23 18:33:12,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-23 18:33:12,941 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:33:12,941 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:33:12,941 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-23 18:33:12,941 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:33:12,942 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:33:12,942 INFO L85 PathProgramCache]: Analyzing trace with hash 1440773736, now seen corresponding path program 1 times [2024-11-23 18:33:12,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:33:12,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622130040] [2024-11-23 18:33:12,942 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:33:12,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:33:13,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 18:33:13,034 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 18:33:13,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 18:33:13,165 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 18:33:13,166 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-23 18:33:13,167 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-23 18:33:13,169 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-23 18:33:13,172 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:33:13,237 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-23 18:33:13,242 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 06:33:13 BoogieIcfgContainer [2024-11-23 18:33:13,243 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-23 18:33:13,244 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 18:33:13,244 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 18:33:13,244 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 18:33:13,245 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:32:54" (3/4) ... [2024-11-23 18:33:13,247 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-23 18:33:13,248 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 18:33:13,250 INFO L158 Benchmark]: Toolchain (without parser) took 20204.92ms. Allocated memory was 117.4MB in the beginning and 411.0MB in the end (delta: 293.6MB). Free memory was 92.9MB in the beginning and 235.9MB in the end (delta: -143.0MB). Peak memory consumption was 154.8MB. Max. memory is 16.1GB. [2024-11-23 18:33:13,250 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 117.4MB. Free memory is still 74.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 18:33:13,250 INFO L158 Benchmark]: CACSL2BoogieTranslator took 364.33ms. Allocated memory is still 117.4MB. Free memory was 92.9MB in the beginning and 77.3MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-23 18:33:13,250 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.24ms. Allocated memory is still 117.4MB. Free memory was 77.3MB in the beginning and 73.7MB in the end (delta: 3.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 18:33:13,251 INFO L158 Benchmark]: Boogie Preprocessor took 58.96ms. Allocated memory is still 117.4MB. Free memory was 73.7MB in the beginning and 70.6MB in the end (delta: 3.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 18:33:13,251 INFO L158 Benchmark]: RCFGBuilder took 832.15ms. Allocated memory is still 117.4MB. Free memory was 70.6MB in the beginning and 40.3MB in the end (delta: 30.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-23 18:33:13,251 INFO L158 Benchmark]: TraceAbstraction took 18867.78ms. Allocated memory was 117.4MB in the beginning and 411.0MB in the end (delta: 293.6MB). Free memory was 39.8MB in the beginning and 236.0MB in the end (delta: -196.2MB). Peak memory consumption was 96.0MB. Max. memory is 16.1GB. [2024-11-23 18:33:13,251 INFO L158 Benchmark]: Witness Printer took 4.10ms. Allocated memory is still 411.0MB. Free memory was 236.0MB in the beginning and 235.9MB in the end (delta: 54.9kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 18:33:13,254 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 117.4MB. Free memory is still 74.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 364.33ms. Allocated memory is still 117.4MB. Free memory was 92.9MB in the beginning and 77.3MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.24ms. Allocated memory is still 117.4MB. Free memory was 77.3MB in the beginning and 73.7MB in the end (delta: 3.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 58.96ms. Allocated memory is still 117.4MB. Free memory was 73.7MB in the beginning and 70.6MB in the end (delta: 3.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 832.15ms. Allocated memory is still 117.4MB. Free memory was 70.6MB in the beginning and 40.3MB in the end (delta: 30.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 18867.78ms. Allocated memory was 117.4MB in the beginning and 411.0MB in the end (delta: 293.6MB). Free memory was 39.8MB in the beginning and 236.0MB in the end (delta: -196.2MB). Peak memory consumption was 96.0MB. Max. memory is 16.1GB. * Witness Printer took 4.10ms. Allocated memory is still 411.0MB. Free memory was 236.0MB in the beginning and 235.9MB in the end (delta: 54.9kB). Peak memory consumption was 8.4MB. 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 someBinaryFLOATComparisonOperation at line 109, overapproximation of someBinaryDOUBLEComparisonOperation at line 101, overapproximation of someBinaryDOUBLEComparisonOperation at line 99, overapproximation of someBinaryDOUBLEComparisonOperation at line 101, overapproximation of someBinaryDOUBLEComparisonOperation at line 99. Possible FailurePath: [L36] unsigned char isInitial = 0; [L37-L50] struct WrapperStruct00 WrapperStruct00 = { 16, 10, 0, 1, 0, 0, 9.75, 5.5, 4.1, 9.8, 25, 2 }; VAL [WrapperStruct00={4:0}, isInitial=0] [L113] isInitial = 1 [L114] FCALL initially() [L116] FCALL updateLastVariables() [L117] CALL updateVariables() [L86] WrapperStruct00.var_1_3 = __VERIFIER_nondet_uchar() [L87] EXPR WrapperStruct00.var_1_3 VAL [WrapperStruct00={4:0}, isInitial=1] [L87] CALL assume_abort_if_not(WrapperStruct00.var_1_3 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L87] RET assume_abort_if_not(WrapperStruct00.var_1_3 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L88] EXPR WrapperStruct00.var_1_3 VAL [WrapperStruct00={4:0}, isInitial=1] [L88] CALL assume_abort_if_not(WrapperStruct00.var_1_3 <= 254) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L88] RET assume_abort_if_not(WrapperStruct00.var_1_3 <= 254) VAL [WrapperStruct00={4:0}, isInitial=1] [L89] WrapperStruct00.var_1_6 = __VERIFIER_nondet_uchar() [L90] EXPR WrapperStruct00.var_1_6 VAL [WrapperStruct00={4:0}, isInitial=1] [L90] CALL assume_abort_if_not(WrapperStruct00.var_1_6 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L90] RET assume_abort_if_not(WrapperStruct00.var_1_6 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L91] EXPR WrapperStruct00.var_1_6 VAL [WrapperStruct00={4:0}, isInitial=1] [L91] CALL assume_abort_if_not(WrapperStruct00.var_1_6 <= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L91] RET assume_abort_if_not(WrapperStruct00.var_1_6 <= 1) VAL [WrapperStruct00={4:0}, isInitial=1] [L92] WrapperStruct00.var_1_9 = __VERIFIER_nondet_uchar() [L93] EXPR WrapperStruct00.var_1_9 VAL [WrapperStruct00={4:0}, isInitial=1] [L93] CALL assume_abort_if_not(WrapperStruct00.var_1_9 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L93] RET assume_abort_if_not(WrapperStruct00.var_1_9 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L94] EXPR WrapperStruct00.var_1_9 VAL [WrapperStruct00={4:0}, isInitial=1] [L94] CALL assume_abort_if_not(WrapperStruct00.var_1_9 <= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L94] RET assume_abort_if_not(WrapperStruct00.var_1_9 <= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L95] WrapperStruct00.var_1_10 = __VERIFIER_nondet_uchar() [L96] EXPR WrapperStruct00.var_1_10 VAL [WrapperStruct00={4:0}, isInitial=1] [L96] CALL assume_abort_if_not(WrapperStruct00.var_1_10 >= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L96] RET assume_abort_if_not(WrapperStruct00.var_1_10 >= 1) VAL [WrapperStruct00={4:0}, isInitial=1] [L97] EXPR WrapperStruct00.var_1_10 VAL [WrapperStruct00={4:0}, isInitial=1] [L97] CALL assume_abort_if_not(WrapperStruct00.var_1_10 <= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L97] RET assume_abort_if_not(WrapperStruct00.var_1_10 <= 1) VAL [WrapperStruct00={4:0}, isInitial=1] [L98] WrapperStruct00.var_1_12 = __VERIFIER_nondet_double() [L99] EXPR WrapperStruct00.var_1_12 [L99] EXPR WrapperStruct00.var_1_12 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_12 <= -1.0e-20F [L99] EXPR WrapperStruct00.var_1_12 [L99] EXPR WrapperStruct00.var_1_12 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_12 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1] [L99] EXPR (WrapperStruct00.var_1_12 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_12 <= -1.0e-20F) || (WrapperStruct00.var_1_12 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_12 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1] [L99] CALL assume_abort_if_not((WrapperStruct00.var_1_12 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_12 <= -1.0e-20F) || (WrapperStruct00.var_1_12 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_12 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L99] RET assume_abort_if_not((WrapperStruct00.var_1_12 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_12 <= -1.0e-20F) || (WrapperStruct00.var_1_12 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_12 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1] [L100] WrapperStruct00.var_1_13 = __VERIFIER_nondet_double() [L101] EXPR WrapperStruct00.var_1_13 [L101] EXPR WrapperStruct00.var_1_13 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_13 <= -1.0e-20F [L101] EXPR WrapperStruct00.var_1_13 [L101] EXPR WrapperStruct00.var_1_13 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_13 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1] [L101] EXPR (WrapperStruct00.var_1_13 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_13 <= -1.0e-20F) || (WrapperStruct00.var_1_13 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_13 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1] [L101] CALL assume_abort_if_not((WrapperStruct00.var_1_13 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_13 <= -1.0e-20F) || (WrapperStruct00.var_1_13 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_13 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L101] RET assume_abort_if_not((WrapperStruct00.var_1_13 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_13 <= -1.0e-20F) || (WrapperStruct00.var_1_13 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_13 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1] [L102] WrapperStruct00.var_1_16 = __VERIFIER_nondet_char() [L103] EXPR WrapperStruct00.var_1_16 VAL [WrapperStruct00={4:0}, isInitial=1] [L103] CALL assume_abort_if_not(WrapperStruct00.var_1_16 >= -127) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L103] RET assume_abort_if_not(WrapperStruct00.var_1_16 >= -127) VAL [WrapperStruct00={4:0}, isInitial=1] [L104] EXPR WrapperStruct00.var_1_16 VAL [WrapperStruct00={4:0}, isInitial=1] [L104] CALL assume_abort_if_not(WrapperStruct00.var_1_16 <= 126) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L104] RET assume_abort_if_not(WrapperStruct00.var_1_16 <= 126) VAL [WrapperStruct00={4:0}, isInitial=1] [L117] RET updateVariables() [L118] CALL step() [L54] EXPR WrapperStruct00.var_1_12 [L54] WrapperStruct00.var_1_14 = WrapperStruct00.var_1_12 [L55] EXPR WrapperStruct00.var_1_16 [L55] WrapperStruct00.var_1_15 = WrapperStruct00.var_1_16 [L56] signed long int stepLocal_0 = -4; [L57] EXPR WrapperStruct00.var_1_15 VAL [WrapperStruct00={4:0}, isInitial=1, stepLocal_0=-4] [L57] COND FALSE !(stepLocal_0 >= WrapperStruct00.var_1_15) [L60] EXPR WrapperStruct00.var_1_3 [L60] unsigned char stepLocal_2 = WrapperStruct00.var_1_3; [L61] WrapperStruct00.var_1_9 VAL [WrapperStruct00={4:0}, isInitial=1, stepLocal_2=7] [L61] COND FALSE !(WrapperStruct00.var_1_9) [L70] EXPR WrapperStruct00.var_1_1 VAL [WrapperStruct00={4:0}, isInitial=1, stepLocal_2=7] [L70] EXPR ((10) > (WrapperStruct00.var_1_1)) ? (10) : (WrapperStruct00.var_1_1) [L70] EXPR WrapperStruct00.var_1_1 [L70] EXPR ((10) > (WrapperStruct00.var_1_1)) ? (10) : (WrapperStruct00.var_1_1) VAL [WrapperStruct00={4:0}, isInitial=1, stepLocal_2=7] [L70] signed long int stepLocal_1 = (((10) > (WrapperStruct00.var_1_1)) ? (10) : (WrapperStruct00.var_1_1)); [L71] EXPR WrapperStruct00.var_1_1 VAL [WrapperStruct00={4:0}, isInitial=1, stepLocal_1=16, stepLocal_2=7] [L71] COND FALSE !((8 * WrapperStruct00.var_1_1) == stepLocal_1) [L82] EXPR WrapperStruct00.var_1_10 [L82] WrapperStruct00.var_1_4 = WrapperStruct00.var_1_10 [L118] RET step() [L119] CALL, EXPR property() [L109] EXPR WrapperStruct00.var_1_15 VAL [WrapperStruct00={4:0}, isInitial=1] [L109] EXPR (-4 >= WrapperStruct00.var_1_15) ? (WrapperStruct00.var_1_1 == ((unsigned char) ((((WrapperStruct00.var_1_3) < (((((1) < 0 ) ? -(1) : (1))))) ? (WrapperStruct00.var_1_3) : (((((1) < 0 ) ? -(1) : (1)))))))) : 1 VAL [WrapperStruct00={4:0}, isInitial=1] [L109] EXPR ((-4 >= WrapperStruct00.var_1_15) ? (WrapperStruct00.var_1_1 == ((unsigned char) ((((WrapperStruct00.var_1_3) < (((((1) < 0 ) ? -(1) : (1))))) ? (WrapperStruct00.var_1_3) : (((((1) < 0 ) ? -(1) : (1)))))))) : 1) && (((8 * WrapperStruct00.var_1_1) == ((((10) > (WrapperStruct00.var_1_1)) ? (10) : (WrapperStruct00.var_1_1)))) ? (WrapperStruct00.var_1_6 ? (WrapperStruct00.var_1_4 == ((unsigned char) ((WrapperStruct00.var_1_11 < WrapperStruct00.var_1_14) && WrapperStruct00.var_1_9))) : ((WrapperStruct00.var_1_14 >= ((((WrapperStruct00.var_1_11) < 0 ) ? -(WrapperStruct00.var_1_11) : (WrapperStruct00.var_1_11)))) ? (WrapperStruct00.var_1_4 == ((unsigned char) (! WrapperStruct00.var_1_9))) : (WrapperStruct00.var_1_4 == ((unsigned char) 0)))) : (WrapperStruct00.var_1_4 == ((unsigned char) WrapperStruct00.var_1_10))) [L109] EXPR WrapperStruct00.var_1_1 [L109] EXPR WrapperStruct00.var_1_1 VAL [WrapperStruct00={4:0}, isInitial=1] [L109] EXPR ((10) > (WrapperStruct00.var_1_1)) ? (10) : (WrapperStruct00.var_1_1) [L109] EXPR WrapperStruct00.var_1_1 [L109] EXPR ((10) > (WrapperStruct00.var_1_1)) ? (10) : (WrapperStruct00.var_1_1) VAL [WrapperStruct00={4:0}, isInitial=1] [L109] EXPR ((8 * WrapperStruct00.var_1_1) == ((((10) > (WrapperStruct00.var_1_1)) ? (10) : (WrapperStruct00.var_1_1)))) ? (WrapperStruct00.var_1_6 ? (WrapperStruct00.var_1_4 == ((unsigned char) ((WrapperStruct00.var_1_11 < WrapperStruct00.var_1_14) && WrapperStruct00.var_1_9))) : ((WrapperStruct00.var_1_14 >= ((((WrapperStruct00.var_1_11) < 0 ) ? -(WrapperStruct00.var_1_11) : (WrapperStruct00.var_1_11)))) ? (WrapperStruct00.var_1_4 == ((unsigned char) (! WrapperStruct00.var_1_9))) : (WrapperStruct00.var_1_4 == ((unsigned char) 0)))) : (WrapperStruct00.var_1_4 == ((unsigned char) WrapperStruct00.var_1_10)) [L109] EXPR WrapperStruct00.var_1_4 [L109] EXPR WrapperStruct00.var_1_10 [L109] EXPR ((8 * WrapperStruct00.var_1_1) == ((((10) > (WrapperStruct00.var_1_1)) ? (10) : (WrapperStruct00.var_1_1)))) ? (WrapperStruct00.var_1_6 ? (WrapperStruct00.var_1_4 == ((unsigned char) ((WrapperStruct00.var_1_11 < WrapperStruct00.var_1_14) && WrapperStruct00.var_1_9))) : ((WrapperStruct00.var_1_14 >= ((((WrapperStruct00.var_1_11) < 0 ) ? -(WrapperStruct00.var_1_11) : (WrapperStruct00.var_1_11)))) ? (WrapperStruct00.var_1_4 == ((unsigned char) (! WrapperStruct00.var_1_9))) : (WrapperStruct00.var_1_4 == ((unsigned char) 0)))) : (WrapperStruct00.var_1_4 == ((unsigned char) WrapperStruct00.var_1_10)) VAL [WrapperStruct00={4:0}, isInitial=1] [L109] EXPR ((-4 >= WrapperStruct00.var_1_15) ? (WrapperStruct00.var_1_1 == ((unsigned char) ((((WrapperStruct00.var_1_3) < (((((1) < 0 ) ? -(1) : (1))))) ? (WrapperStruct00.var_1_3) : (((((1) < 0 ) ? -(1) : (1)))))))) : 1) && (((8 * WrapperStruct00.var_1_1) == ((((10) > (WrapperStruct00.var_1_1)) ? (10) : (WrapperStruct00.var_1_1)))) ? (WrapperStruct00.var_1_6 ? (WrapperStruct00.var_1_4 == ((unsigned char) ((WrapperStruct00.var_1_11 < WrapperStruct00.var_1_14) && WrapperStruct00.var_1_9))) : ((WrapperStruct00.var_1_14 >= ((((WrapperStruct00.var_1_11) < 0 ) ? -(WrapperStruct00.var_1_11) : (WrapperStruct00.var_1_11)))) ? (WrapperStruct00.var_1_4 == ((unsigned char) (! WrapperStruct00.var_1_9))) : (WrapperStruct00.var_1_4 == ((unsigned char) 0)))) : (WrapperStruct00.var_1_4 == ((unsigned char) WrapperStruct00.var_1_10))) VAL [WrapperStruct00={4:0}, isInitial=1] [L109] EXPR (((-4 >= WrapperStruct00.var_1_15) ? (WrapperStruct00.var_1_1 == ((unsigned char) ((((WrapperStruct00.var_1_3) < (((((1) < 0 ) ? -(1) : (1))))) ? (WrapperStruct00.var_1_3) : (((((1) < 0 ) ? -(1) : (1)))))))) : 1) && (((8 * WrapperStruct00.var_1_1) == ((((10) > (WrapperStruct00.var_1_1)) ? (10) : (WrapperStruct00.var_1_1)))) ? (WrapperStruct00.var_1_6 ? (WrapperStruct00.var_1_4 == ((unsigned char) ((WrapperStruct00.var_1_11 < WrapperStruct00.var_1_14) && WrapperStruct00.var_1_9))) : ((WrapperStruct00.var_1_14 >= ((((WrapperStruct00.var_1_11) < 0 ) ? -(WrapperStruct00.var_1_11) : (WrapperStruct00.var_1_11)))) ? (WrapperStruct00.var_1_4 == ((unsigned char) (! WrapperStruct00.var_1_9))) : (WrapperStruct00.var_1_4 == ((unsigned char) 0)))) : (WrapperStruct00.var_1_4 == ((unsigned char) WrapperStruct00.var_1_10)))) && (WrapperStruct00.var_1_9 ? ((WrapperStruct00.var_1_3 > WrapperStruct00.var_1_15) ? (WrapperStruct00.var_1_11 == ((double) ((((((((WrapperStruct00.var_1_12) > (16.5)) ? (WrapperStruct00.var_1_12) : (16.5)))) > (WrapperStruct00.var_1_13)) ? (((((WrapperStruct00.var_1_12) > (16.5)) ? (WrapperStruct00.var_1_12) : (16.5)))) : (WrapperStruct00.var_1_13))))) : (WrapperStruct00.var_1_10 ? (WrapperStruct00.var_1_11 == ((double) WrapperStruct00.var_1_12)) : 1)) : 1) [L109] EXPR WrapperStruct00.var_1_9 VAL [WrapperStruct00={4:0}, isInitial=1] [L109] EXPR WrapperStruct00.var_1_9 ? ((WrapperStruct00.var_1_3 > WrapperStruct00.var_1_15) ? (WrapperStruct00.var_1_11 == ((double) ((((((((WrapperStruct00.var_1_12) > (16.5)) ? (WrapperStruct00.var_1_12) : (16.5)))) > (WrapperStruct00.var_1_13)) ? (((((WrapperStruct00.var_1_12) > (16.5)) ? (WrapperStruct00.var_1_12) : (16.5)))) : (WrapperStruct00.var_1_13))))) : (WrapperStruct00.var_1_10 ? (WrapperStruct00.var_1_11 == ((double) WrapperStruct00.var_1_12)) : 1)) : 1 VAL [WrapperStruct00={4:0}, isInitial=1] [L109] EXPR (((-4 >= WrapperStruct00.var_1_15) ? (WrapperStruct00.var_1_1 == ((unsigned char) ((((WrapperStruct00.var_1_3) < (((((1) < 0 ) ? -(1) : (1))))) ? (WrapperStruct00.var_1_3) : (((((1) < 0 ) ? -(1) : (1)))))))) : 1) && (((8 * WrapperStruct00.var_1_1) == ((((10) > (WrapperStruct00.var_1_1)) ? (10) : (WrapperStruct00.var_1_1)))) ? (WrapperStruct00.var_1_6 ? (WrapperStruct00.var_1_4 == ((unsigned char) ((WrapperStruct00.var_1_11 < WrapperStruct00.var_1_14) && WrapperStruct00.var_1_9))) : ((WrapperStruct00.var_1_14 >= ((((WrapperStruct00.var_1_11) < 0 ) ? -(WrapperStruct00.var_1_11) : (WrapperStruct00.var_1_11)))) ? (WrapperStruct00.var_1_4 == ((unsigned char) (! WrapperStruct00.var_1_9))) : (WrapperStruct00.var_1_4 == ((unsigned char) 0)))) : (WrapperStruct00.var_1_4 == ((unsigned char) WrapperStruct00.var_1_10)))) && (WrapperStruct00.var_1_9 ? ((WrapperStruct00.var_1_3 > WrapperStruct00.var_1_15) ? (WrapperStruct00.var_1_11 == ((double) ((((((((WrapperStruct00.var_1_12) > (16.5)) ? (WrapperStruct00.var_1_12) : (16.5)))) > (WrapperStruct00.var_1_13)) ? (((((WrapperStruct00.var_1_12) > (16.5)) ? (WrapperStruct00.var_1_12) : (16.5)))) : (WrapperStruct00.var_1_13))))) : (WrapperStruct00.var_1_10 ? (WrapperStruct00.var_1_11 == ((double) WrapperStruct00.var_1_12)) : 1)) : 1) VAL [WrapperStruct00={4:0}, isInitial=1] [L109] EXPR ((((-4 >= WrapperStruct00.var_1_15) ? (WrapperStruct00.var_1_1 == ((unsigned char) ((((WrapperStruct00.var_1_3) < (((((1) < 0 ) ? -(1) : (1))))) ? (WrapperStruct00.var_1_3) : (((((1) < 0 ) ? -(1) : (1)))))))) : 1) && (((8 * WrapperStruct00.var_1_1) == ((((10) > (WrapperStruct00.var_1_1)) ? (10) : (WrapperStruct00.var_1_1)))) ? (WrapperStruct00.var_1_6 ? (WrapperStruct00.var_1_4 == ((unsigned char) ((WrapperStruct00.var_1_11 < WrapperStruct00.var_1_14) && WrapperStruct00.var_1_9))) : ((WrapperStruct00.var_1_14 >= ((((WrapperStruct00.var_1_11) < 0 ) ? -(WrapperStruct00.var_1_11) : (WrapperStruct00.var_1_11)))) ? (WrapperStruct00.var_1_4 == ((unsigned char) (! WrapperStruct00.var_1_9))) : (WrapperStruct00.var_1_4 == ((unsigned char) 0)))) : (WrapperStruct00.var_1_4 == ((unsigned char) WrapperStruct00.var_1_10)))) && (WrapperStruct00.var_1_9 ? ((WrapperStruct00.var_1_3 > WrapperStruct00.var_1_15) ? (WrapperStruct00.var_1_11 == ((double) ((((((((WrapperStruct00.var_1_12) > (16.5)) ? (WrapperStruct00.var_1_12) : (16.5)))) > (WrapperStruct00.var_1_13)) ? (((((WrapperStruct00.var_1_12) > (16.5)) ? (WrapperStruct00.var_1_12) : (16.5)))) : (WrapperStruct00.var_1_13))))) : (WrapperStruct00.var_1_10 ? (WrapperStruct00.var_1_11 == ((double) WrapperStruct00.var_1_12)) : 1)) : 1)) && (WrapperStruct00.var_1_14 == ((float) WrapperStruct00.var_1_12)) [L109] EXPR WrapperStruct00.var_1_14 [L109] EXPR WrapperStruct00.var_1_12 [L109] EXPR ((((-4 >= WrapperStruct00.var_1_15) ? (WrapperStruct00.var_1_1 == ((unsigned char) ((((WrapperStruct00.var_1_3) < (((((1) < 0 ) ? -(1) : (1))))) ? (WrapperStruct00.var_1_3) : (((((1) < 0 ) ? -(1) : (1)))))))) : 1) && (((8 * WrapperStruct00.var_1_1) == ((((10) > (WrapperStruct00.var_1_1)) ? (10) : (WrapperStruct00.var_1_1)))) ? (WrapperStruct00.var_1_6 ? (WrapperStruct00.var_1_4 == ((unsigned char) ((WrapperStruct00.var_1_11 < WrapperStruct00.var_1_14) && WrapperStruct00.var_1_9))) : ((WrapperStruct00.var_1_14 >= ((((WrapperStruct00.var_1_11) < 0 ) ? -(WrapperStruct00.var_1_11) : (WrapperStruct00.var_1_11)))) ? (WrapperStruct00.var_1_4 == ((unsigned char) (! WrapperStruct00.var_1_9))) : (WrapperStruct00.var_1_4 == ((unsigned char) 0)))) : (WrapperStruct00.var_1_4 == ((unsigned char) WrapperStruct00.var_1_10)))) && (WrapperStruct00.var_1_9 ? ((WrapperStruct00.var_1_3 > WrapperStruct00.var_1_15) ? (WrapperStruct00.var_1_11 == ((double) ((((((((WrapperStruct00.var_1_12) > (16.5)) ? (WrapperStruct00.var_1_12) : (16.5)))) > (WrapperStruct00.var_1_13)) ? (((((WrapperStruct00.var_1_12) > (16.5)) ? (WrapperStruct00.var_1_12) : (16.5)))) : (WrapperStruct00.var_1_13))))) : (WrapperStruct00.var_1_10 ? (WrapperStruct00.var_1_11 == ((double) WrapperStruct00.var_1_12)) : 1)) : 1)) && (WrapperStruct00.var_1_14 == ((float) WrapperStruct00.var_1_12)) VAL [WrapperStruct00={4:0}, isInitial=1] [L109] EXPR (((((-4 >= WrapperStruct00.var_1_15) ? (WrapperStruct00.var_1_1 == ((unsigned char) ((((WrapperStruct00.var_1_3) < (((((1) < 0 ) ? -(1) : (1))))) ? (WrapperStruct00.var_1_3) : (((((1) < 0 ) ? -(1) : (1)))))))) : 1) && (((8 * WrapperStruct00.var_1_1) == ((((10) > (WrapperStruct00.var_1_1)) ? (10) : (WrapperStruct00.var_1_1)))) ? (WrapperStruct00.var_1_6 ? (WrapperStruct00.var_1_4 == ((unsigned char) ((WrapperStruct00.var_1_11 < WrapperStruct00.var_1_14) && WrapperStruct00.var_1_9))) : ((WrapperStruct00.var_1_14 >= ((((WrapperStruct00.var_1_11) < 0 ) ? -(WrapperStruct00.var_1_11) : (WrapperStruct00.var_1_11)))) ? (WrapperStruct00.var_1_4 == ((unsigned char) (! WrapperStruct00.var_1_9))) : (WrapperStruct00.var_1_4 == ((unsigned char) 0)))) : (WrapperStruct00.var_1_4 == ((unsigned char) WrapperStruct00.var_1_10)))) && (WrapperStruct00.var_1_9 ? ((WrapperStruct00.var_1_3 > WrapperStruct00.var_1_15) ? (WrapperStruct00.var_1_11 == ((double) ((((((((WrapperStruct00.var_1_12) > (16.5)) ? (WrapperStruct00.var_1_12) : (16.5)))) > (WrapperStruct00.var_1_13)) ? (((((WrapperStruct00.var_1_12) > (16.5)) ? (WrapperStruct00.var_1_12) : (16.5)))) : (WrapperStruct00.var_1_13))))) : (WrapperStruct00.var_1_10 ? (WrapperStruct00.var_1_11 == ((double) WrapperStruct00.var_1_12)) : 1)) : 1)) && (WrapperStruct00.var_1_14 == ((float) WrapperStruct00.var_1_12))) && (WrapperStruct00.var_1_15 == ((signed char) WrapperStruct00.var_1_16)) VAL [WrapperStruct00={4:0}, isInitial=1] [L109-L110] return (((((-4 >= WrapperStruct00.var_1_15) ? (WrapperStruct00.var_1_1 == ((unsigned char) ((((WrapperStruct00.var_1_3) < (((((1) < 0 ) ? -(1) : (1))))) ? (WrapperStruct00.var_1_3) : (((((1) < 0 ) ? -(1) : (1)))))))) : 1) && (((8 * WrapperStruct00.var_1_1) == ((((10) > (WrapperStruct00.var_1_1)) ? (10) : (WrapperStruct00.var_1_1)))) ? (WrapperStruct00.var_1_6 ? (WrapperStruct00.var_1_4 == ((unsigned char) ((WrapperStruct00.var_1_11 < WrapperStruct00.var_1_14) && WrapperStruct00.var_1_9))) : ((WrapperStruct00.var_1_14 >= ((((WrapperStruct00.var_1_11) < 0 ) ? -(WrapperStruct00.var_1_11) : (WrapperStruct00.var_1_11)))) ? (WrapperStruct00.var_1_4 == ((unsigned char) (! WrapperStruct00.var_1_9))) : (WrapperStruct00.var_1_4 == ((unsigned char) 0)))) : (WrapperStruct00.var_1_4 == ((unsigned char) WrapperStruct00.var_1_10)))) && (WrapperStruct00.var_1_9 ? ((WrapperStruct00.var_1_3 > WrapperStruct00.var_1_15) ? (WrapperStruct00.var_1_11 == ((double) ((((((((WrapperStruct00.var_1_12) > (16.5)) ? (WrapperStruct00.var_1_12) : (16.5)))) > (WrapperStruct00.var_1_13)) ? (((((WrapperStruct00.var_1_12) > (16.5)) ? (WrapperStruct00.var_1_12) : (16.5)))) : (WrapperStruct00.var_1_13))))) : (WrapperStruct00.var_1_10 ? (WrapperStruct00.var_1_11 == ((double) WrapperStruct00.var_1_12)) : 1)) : 1)) && (WrapperStruct00.var_1_14 == ((float) WrapperStruct00.var_1_12))) && (WrapperStruct00.var_1_15 == ((signed char) WrapperStruct00.var_1_16)) ; [L119] RET, EXPR property() [L119] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [WrapperStruct00={4:0}, isInitial=1] [L19] reach_error() VAL [WrapperStruct00={4:0}, isInitial=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 110 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 18.7s, OverallIterations: 14, TraceHistogramMax: 12, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 5.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1014 SdHoareTripleChecker+Valid, 4.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1010 mSDsluCounter, 7325 SdHoareTripleChecker+Invalid, 3.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5413 mSDsCounter, 86 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3798 IncrementalHoareTripleChecker+Invalid, 3884 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 86 mSolverCounterUnsat, 1912 mSDtfsCounter, 3798 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 579 GetRequests, 498 SyntacticMatches, 2 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=437occurred in iteration=13, InterpolantAutomatonStates: 79, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 13 MinimizatonAttempts, 620 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 9.7s InterpolantComputationTime, 1927 NumberOfCodeBlocks, 1927 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 1800 ConstructedInterpolants, 0 QuantifiedInterpolants, 3461 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1539 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 17 InterpolantComputations, 13 PerfectInterpolantSequences, 4367/4488 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, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-23 18:33:13,279 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d47fa4e5-f4da-4dc8-a0ec-485b31d21db9/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d47fa4e5-f4da-4dc8-a0ec-485b31d21db9/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d47fa4e5-f4da-4dc8-a0ec-485b31d21db9/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d47fa4e5-f4da-4dc8-a0ec-485b31d21db9/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d47fa4e5-f4da-4dc8-a0ec-485b31d21db9/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-54.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d47fa4e5-f4da-4dc8-a0ec-485b31d21db9/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d47fa4e5-f4da-4dc8-a0ec-485b31d21db9/bin/uautomizer-verify-LYvppIcaGC --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b6271bd0a37fb423024bed9c2fae52ec13738291896513228b822cdc7afdfa85 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 18:33:15,879 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 18:33:15,993 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d47fa4e5-f4da-4dc8-a0ec-485b31d21db9/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-23 18:33:16,000 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 18:33:16,002 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 18:33:16,067 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 18:33:16,074 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 18:33:16,074 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 18:33:16,075 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 18:33:16,076 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 18:33:16,076 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 18:33:16,076 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 18:33:16,076 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 18:33:16,077 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 18:33:16,078 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 18:33:16,078 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 18:33:16,078 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 18:33:16,078 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 18:33:16,078 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 18:33:16,078 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 18:33:16,079 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 18:33:16,079 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 18:33:16,079 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 18:33:16,079 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-23 18:33:16,079 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-23 18:33:16,080 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-23 18:33:16,080 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 18:33:16,080 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 18:33:16,080 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 18:33:16,080 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 18:33:16,080 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 18:33:16,080 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 18:33:16,080 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 18:33:16,081 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 18:33:16,081 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:33:16,082 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 18:33:16,082 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 18:33:16,082 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 18:33:16,082 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 18:33:16,082 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:33:16,082 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 18:33:16,082 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 18:33:16,082 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 18:33:16,082 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 18:33:16,083 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-23 18:33:16,083 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-23 18:33:16,083 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 18:33:16,083 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 18:33:16,083 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 18:33:16,083 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 18:33:16,083 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_d47fa4e5-f4da-4dc8-a0ec-485b31d21db9/bin/uautomizer-verify-LYvppIcaGC 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 -> Automizer 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 -> b6271bd0a37fb423024bed9c2fae52ec13738291896513228b822cdc7afdfa85 [2024-11-23 18:33:16,388 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 18:33:16,396 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 18:33:16,399 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 18:33:16,400 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 18:33:16,400 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 18:33:16,401 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d47fa4e5-f4da-4dc8-a0ec-485b31d21db9/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-54.i [2024-11-23 18:33:19,359 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d47fa4e5-f4da-4dc8-a0ec-485b31d21db9/bin/uautomizer-verify-LYvppIcaGC/data/be7f5f5f5/9447b4ccb120402787a9c4fd8d165e86/FLAG9ae67794a [2024-11-23 18:33:19,688 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 18:33:19,689 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d47fa4e5-f4da-4dc8-a0ec-485b31d21db9/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-54.i [2024-11-23 18:33:19,700 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d47fa4e5-f4da-4dc8-a0ec-485b31d21db9/bin/uautomizer-verify-LYvppIcaGC/data/be7f5f5f5/9447b4ccb120402787a9c4fd8d165e86/FLAG9ae67794a [2024-11-23 18:33:19,720 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d47fa4e5-f4da-4dc8-a0ec-485b31d21db9/bin/uautomizer-verify-LYvppIcaGC/data/be7f5f5f5/9447b4ccb120402787a9c4fd8d165e86 [2024-11-23 18:33:19,722 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 18:33:19,724 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 18:33:19,727 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 18:33:19,728 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 18:33:19,732 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 18:33:19,733 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:33:19" (1/1) ... [2024-11-23 18:33:19,734 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f4fcd8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:33:19, skipping insertion in model container [2024-11-23 18:33:19,735 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:33:19" (1/1) ... [2024-11-23 18:33:19,755 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 18:33:19,926 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_d47fa4e5-f4da-4dc8-a0ec-485b31d21db9/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-54.i[916,929] [2024-11-23 18:33:20,015 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 18:33:20,034 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 18:33:20,046 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_d47fa4e5-f4da-4dc8-a0ec-485b31d21db9/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-54.i[916,929] [2024-11-23 18:33:20,119 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 18:33:20,154 INFO L204 MainTranslator]: Completed translation [2024-11-23 18:33:20,156 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:33:20 WrapperNode [2024-11-23 18:33:20,156 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 18:33:20,157 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 18:33:20,157 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 18:33:20,157 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 18:33:20,165 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:33:20" (1/1) ... [2024-11-23 18:33:20,189 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:33:20" (1/1) ... [2024-11-23 18:33:20,236 INFO L138 Inliner]: procedures = 34, calls = 139, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 461 [2024-11-23 18:33:20,240 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 18:33:20,241 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 18:33:20,241 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 18:33:20,241 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 18:33:20,253 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:33:20" (1/1) ... [2024-11-23 18:33:20,254 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:33:20" (1/1) ... [2024-11-23 18:33:20,266 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:33:20" (1/1) ... [2024-11-23 18:33:20,302 INFO L175 MemorySlicer]: Split 116 memory accesses to 2 slices as follows [2, 114]. 98 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 29 writes are split as follows [0, 29]. [2024-11-23 18:33:20,302 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:33:20" (1/1) ... [2024-11-23 18:33:20,306 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:33:20" (1/1) ... [2024-11-23 18:33:20,339 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:33:20" (1/1) ... [2024-11-23 18:33:20,344 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:33:20" (1/1) ... [2024-11-23 18:33:20,349 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:33:20" (1/1) ... [2024-11-23 18:33:20,351 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:33:20" (1/1) ... [2024-11-23 18:33:20,353 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:33:20" (1/1) ... [2024-11-23 18:33:20,358 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 18:33:20,358 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 18:33:20,359 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 18:33:20,359 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 18:33:20,360 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:33:20" (1/1) ... [2024-11-23 18:33:20,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:33:20,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d47fa4e5-f4da-4dc8-a0ec-485b31d21db9/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:33:20,400 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d47fa4e5-f4da-4dc8-a0ec-485b31d21db9/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 18:33:20,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d47fa4e5-f4da-4dc8-a0ec-485b31d21db9/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 18:33:20,427 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 18:33:20,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2024-11-23 18:33:20,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2024-11-23 18:33:20,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8#0 [2024-11-23 18:33:20,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8#1 [2024-11-23 18:33:20,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2024-11-23 18:33:20,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2024-11-23 18:33:20,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-23 18:33:20,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-23 18:33:20,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-23 18:33:20,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-23 18:33:20,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-11-23 18:33:20,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-11-23 18:33:20,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-11-23 18:33:20,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-11-23 18:33:20,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2024-11-23 18:33:20,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2024-11-23 18:33:20,429 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-23 18:33:20,430 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-23 18:33:20,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#0 [2024-11-23 18:33:20,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#1 [2024-11-23 18:33:20,430 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 18:33:20,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 18:33:20,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-23 18:33:20,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-23 18:33:20,551 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 18:33:20,553 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 18:33:22,305 INFO L? ?]: Removed 127 outVars from TransFormulas that were not future-live. [2024-11-23 18:33:22,306 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 18:33:22,317 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 18:33:22,317 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-23 18:33:22,317 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:33:22 BoogieIcfgContainer [2024-11-23 18:33:22,318 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 18:33:22,320 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 18:33:22,320 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 18:33:22,324 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 18:33:22,325 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 06:33:19" (1/3) ... [2024-11-23 18:33:22,325 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6842e59d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:33:22, skipping insertion in model container [2024-11-23 18:33:22,325 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:33:20" (2/3) ... [2024-11-23 18:33:22,326 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6842e59d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:33:22, skipping insertion in model container [2024-11-23 18:33:22,326 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:33:22" (3/3) ... [2024-11-23 18:33:22,327 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-54.i [2024-11-23 18:33:22,341 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 18:33:22,343 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-s_file-54.i that has 2 procedures, 110 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-23 18:33:22,395 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 18:33:22,411 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=PETRI_NET, 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;@6bc0ba2f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 18:33:22,412 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-23 18:33:22,416 INFO L276 IsEmpty]: Start isEmpty. Operand has 110 states, 95 states have (on average 1.4526315789473685) internal successors, (138), 96 states have internal predecessors, (138), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-23 18:33:22,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-23 18:33:22,426 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:33:22,427 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:33:22,427 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:33:22,432 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:33:22,433 INFO L85 PathProgramCache]: Analyzing trace with hash -2063923592, now seen corresponding path program 1 times [2024-11-23 18:33:22,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:33:22,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1560440889] [2024-11-23 18:33:22,446 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:33:22,447 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 [2024-11-23 18:33:22,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d47fa4e5-f4da-4dc8-a0ec-485b31d21db9/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:33:22,449 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d47fa4e5-f4da-4dc8-a0ec-485b31d21db9/bin/uautomizer-verify-LYvppIcaGC/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) [2024-11-23 18:33:22,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d47fa4e5-f4da-4dc8-a0ec-485b31d21db9/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-23 18:33:22,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:33:22,825 INFO L256 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-23 18:33:22,832 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:33:22,878 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2024-11-23 18:33:22,879 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:33:22,879 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:33:22,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1560440889] [2024-11-23 18:33:22,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1560440889] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:33:22,880 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:33:22,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 18:33:22,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110748177] [2024-11-23 18:33:22,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:33:22,886 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-23 18:33:22,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:33:22,905 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-23 18:33:22,906 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 18:33:22,908 INFO L87 Difference]: Start difference. First operand has 110 states, 95 states have (on average 1.4526315789473685) internal successors, (138), 96 states have internal predecessors, (138), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-23 18:33:22,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:33:22,939 INFO L93 Difference]: Finished difference Result 213 states and 330 transitions. [2024-11-23 18:33:22,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 18:33:22,941 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 105 [2024-11-23 18:33:22,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:33:22,947 INFO L225 Difference]: With dead ends: 213 [2024-11-23 18:33:22,947 INFO L226 Difference]: Without dead ends: 106 [2024-11-23 18:33:22,950 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 18:33:22,953 INFO L435 NwaCegarLoop]: 155 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, 155 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 [2024-11-23 18:33:22,953 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 18:33:22,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2024-11-23 18:33:22,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2024-11-23 18:33:22,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 92 states have (on average 1.423913043478261) internal successors, (131), 92 states have internal predecessors, (131), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-23 18:33:22,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 155 transitions. [2024-11-23 18:33:22,993 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 155 transitions. Word has length 105 [2024-11-23 18:33:22,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:33:22,993 INFO L471 AbstractCegarLoop]: Abstraction has 106 states and 155 transitions. [2024-11-23 18:33:22,994 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-23 18:33:22,994 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 155 transitions. [2024-11-23 18:33:22,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-23 18:33:22,997 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:33:22,997 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:33:23,006 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d47fa4e5-f4da-4dc8-a0ec-485b31d21db9/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-23 18:33:23,198 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d47fa4e5-f4da-4dc8-a0ec-485b31d21db9/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-23 18:33:23,199 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:33:23,202 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:33:23,202 INFO L85 PathProgramCache]: Analyzing trace with hash -1289475548, now seen corresponding path program 1 times [2024-11-23 18:33:23,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:33:23,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [216801806] [2024-11-23 18:33:23,203 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:33:23,203 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 [2024-11-23 18:33:23,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d47fa4e5-f4da-4dc8-a0ec-485b31d21db9/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:33:23,206 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d47fa4e5-f4da-4dc8-a0ec-485b31d21db9/bin/uautomizer-verify-LYvppIcaGC/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) [2024-11-23 18:33:23,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d47fa4e5-f4da-4dc8-a0ec-485b31d21db9/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-23 18:33:23,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:33:23,668 INFO L256 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-23 18:33:23,675 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:33:23,741 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-23 18:33:23,742 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:33:23,742 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:33:23,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [216801806] [2024-11-23 18:33:23,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [216801806] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:33:23,742 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:33:23,742 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 18:33:23,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118096997] [2024-11-23 18:33:23,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:33:23,744 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 18:33:23,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:33:23,744 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 18:33:23,745 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 18:33:23,745 INFO L87 Difference]: Start difference. First operand 106 states and 155 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-23 18:33:23,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:33:23,812 INFO L93 Difference]: Finished difference Result 211 states and 310 transitions. [2024-11-23 18:33:23,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 18:33:23,817 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 105 [2024-11-23 18:33:23,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:33:23,819 INFO L225 Difference]: With dead ends: 211 [2024-11-23 18:33:23,819 INFO L226 Difference]: Without dead ends: 108 [2024-11-23 18:33:23,819 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 18:33:23,820 INFO L435 NwaCegarLoop]: 153 mSDtfsCounter, 0 mSDsluCounter, 295 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 448 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 18:33:23,820 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 448 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 18:33:23,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2024-11-23 18:33:23,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2024-11-23 18:33:23,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 94 states have (on average 1.4148936170212767) internal successors, (133), 94 states have internal predecessors, (133), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-23 18:33:23,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 157 transitions. [2024-11-23 18:33:23,831 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 157 transitions. Word has length 105 [2024-11-23 18:33:23,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:33:23,833 INFO L471 AbstractCegarLoop]: Abstraction has 108 states and 157 transitions. [2024-11-23 18:33:23,833 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-23 18:33:23,833 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 157 transitions. [2024-11-23 18:33:23,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-23 18:33:23,835 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:33:23,835 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:33:23,844 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d47fa4e5-f4da-4dc8-a0ec-485b31d21db9/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-23 18:33:24,035 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d47fa4e5-f4da-4dc8-a0ec-485b31d21db9/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-23 18:33:24,036 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:33:24,036 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:33:24,036 INFO L85 PathProgramCache]: Analyzing trace with hash -1249640545, now seen corresponding path program 1 times [2024-11-23 18:33:24,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:33:24,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [117406785] [2024-11-23 18:33:24,037 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:33:24,037 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 [2024-11-23 18:33:24,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d47fa4e5-f4da-4dc8-a0ec-485b31d21db9/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:33:24,039 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d47fa4e5-f4da-4dc8-a0ec-485b31d21db9/bin/uautomizer-verify-LYvppIcaGC/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) [2024-11-23 18:33:24,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d47fa4e5-f4da-4dc8-a0ec-485b31d21db9/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-23 18:33:24,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:33:24,432 INFO L256 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-23 18:33:24,440 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:33:24,479 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-23 18:33:24,481 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:33:24,481 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:33:24,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [117406785] [2024-11-23 18:33:24,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [117406785] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:33:24,482 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:33:24,482 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 18:33:24,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88808139] [2024-11-23 18:33:24,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:33:24,483 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 18:33:24,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:33:24,484 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 18:33:24,484 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 18:33:24,485 INFO L87 Difference]: Start difference. First operand 108 states and 157 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-23 18:33:24,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:33:24,705 INFO L93 Difference]: Finished difference Result 218 states and 318 transitions. [2024-11-23 18:33:24,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 18:33:24,706 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 107 [2024-11-23 18:33:24,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:33:24,709 INFO L225 Difference]: With dead ends: 218 [2024-11-23 18:33:24,710 INFO L226 Difference]: Without dead ends: 113 [2024-11-23 18:33:24,710 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 18:33:24,711 INFO L435 NwaCegarLoop]: 150 mSDtfsCounter, 1 mSDsluCounter, 434 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 584 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-23 18:33:24,714 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 584 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-23 18:33:24,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2024-11-23 18:33:24,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 112. [2024-11-23 18:33:24,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 98 states have (on average 1.3979591836734695) internal successors, (137), 98 states have internal predecessors, (137), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-23 18:33:24,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 161 transitions. [2024-11-23 18:33:24,730 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 161 transitions. Word has length 107 [2024-11-23 18:33:24,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:33:24,734 INFO L471 AbstractCegarLoop]: Abstraction has 112 states and 161 transitions. [2024-11-23 18:33:24,735 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-23 18:33:24,735 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 161 transitions. [2024-11-23 18:33:24,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-23 18:33:24,736 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:33:24,736 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:33:24,742 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d47fa4e5-f4da-4dc8-a0ec-485b31d21db9/bin/uautomizer-verify-LYvppIcaGC/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)] Forceful destruction successful, exit code 0 [2024-11-23 18:33:24,938 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d47fa4e5-f4da-4dc8-a0ec-485b31d21db9/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-23 18:33:24,938 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:33:24,939 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:33:24,939 INFO L85 PathProgramCache]: Analyzing trace with hash 525366817, now seen corresponding path program 1 times [2024-11-23 18:33:24,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:33:24,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1593645455] [2024-11-23 18:33:24,940 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:33:24,940 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 [2024-11-23 18:33:24,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d47fa4e5-f4da-4dc8-a0ec-485b31d21db9/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:33:24,944 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d47fa4e5-f4da-4dc8-a0ec-485b31d21db9/bin/uautomizer-verify-LYvppIcaGC/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) [2024-11-23 18:33:24,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d47fa4e5-f4da-4dc8-a0ec-485b31d21db9/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-23 18:33:25,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:33:25,251 INFO L256 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-23 18:33:25,258 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:33:25,326 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-23 18:33:25,327 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:33:25,327 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:33:25,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1593645455] [2024-11-23 18:33:25,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1593645455] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:33:25,328 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:33:25,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 18:33:25,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830389795] [2024-11-23 18:33:25,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:33:25,329 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 18:33:25,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:33:25,330 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 18:33:25,331 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 18:33:25,332 INFO L87 Difference]: Start difference. First operand 112 states and 161 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-23 18:33:25,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:33:25,593 INFO L93 Difference]: Finished difference Result 224 states and 323 transitions. [2024-11-23 18:33:25,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 18:33:25,593 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 107 [2024-11-23 18:33:25,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:33:25,595 INFO L225 Difference]: With dead ends: 224 [2024-11-23 18:33:25,595 INFO L226 Difference]: Without dead ends: 115 [2024-11-23 18:33:25,596 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 18:33:25,597 INFO L435 NwaCegarLoop]: 148 mSDtfsCounter, 1 mSDsluCounter, 576 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 724 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-23 18:33:25,597 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 724 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-23 18:33:25,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2024-11-23 18:33:25,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 114. [2024-11-23 18:33:25,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 100 states have (on average 1.39) internal successors, (139), 100 states have internal predecessors, (139), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-23 18:33:25,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 163 transitions. [2024-11-23 18:33:25,607 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 163 transitions. Word has length 107 [2024-11-23 18:33:25,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:33:25,608 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 163 transitions. [2024-11-23 18:33:25,608 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-23 18:33:25,608 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 163 transitions. [2024-11-23 18:33:25,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-23 18:33:25,610 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:33:25,610 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:33:25,621 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d47fa4e5-f4da-4dc8-a0ec-485b31d21db9/bin/uautomizer-verify-LYvppIcaGC/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)] Ended with exit code 0 [2024-11-23 18:33:25,814 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d47fa4e5-f4da-4dc8-a0ec-485b31d21db9/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-23 18:33:25,814 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:33:25,815 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:33:25,815 INFO L85 PathProgramCache]: Analyzing trace with hash 527213859, now seen corresponding path program 1 times [2024-11-23 18:33:25,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:33:25,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1595382723] [2024-11-23 18:33:25,816 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:33:25,816 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 [2024-11-23 18:33:25,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d47fa4e5-f4da-4dc8-a0ec-485b31d21db9/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:33:25,820 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d47fa4e5-f4da-4dc8-a0ec-485b31d21db9/bin/uautomizer-verify-LYvppIcaGC/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) [2024-11-23 18:33:25,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d47fa4e5-f4da-4dc8-a0ec-485b31d21db9/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-23 18:33:26,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:33:26,283 INFO L256 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-23 18:33:26,294 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:33:26,338 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 88 treesize of output 87 [2024-11-23 18:33:26,639 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 144 treesize of output 125 [2024-11-23 18:33:28,043 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 139 treesize of output 122 [2024-11-23 18:33:29,310 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 144 treesize of output 127 [2024-11-23 18:33:31,617 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 144 treesize of output 125 [2024-11-23 18:33:33,634 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 145 treesize of output 128 [2024-11-23 18:33:44,361 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 150 treesize of output 133 [2024-11-23 18:34:12,512 WARN L249 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d47fa4e5-f4da-4dc8-a0ec-485b31d21db9/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) stderr output: (error "out of memory") [2024-11-23 18:34:12,513 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:34:12,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1595382723] [2024-11-23 18:34:12,514 WARN L320 FreeRefinementEngine]: Global settings require throwing the following exception [2024-11-23 18:34:12,512 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d47fa4e5-f4da-4dc8-a0ec-485b31d21db9/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 101 [2024-11-23 18:34:12,522 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d47fa4e5-f4da-4dc8-a0ec-485b31d21db9/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-23 18:34:12,714 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d47fa4e5-f4da-4dc8-a0ec-485b31d21db9/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-23 18:34:12,715 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d47fa4e5-f4da-4dc8-a0ec-485b31d21db9/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:281) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.checkSat(ManagedScript.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker.checkImplication(MonolithicImplicationChecker.java:85) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.compare(PredicateUnifier.java:912) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.(PredicateUnifier.java:786) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:374) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:323) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp$UnifyPostprocessor.postprocess(TraceCheckSpWp.java:555) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:416) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:195) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:291) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:181) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:160) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:210) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:121) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:317) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:407) 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:428) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:314) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:275) 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:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:132) 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1518) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:701) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:258) ... 44 more [2024-11-23 18:34:12,720 INFO L158 Benchmark]: Toolchain (without parser) took 52995.36ms. Allocated memory was 117.4MB in the beginning and 251.7MB in the end (delta: 134.2MB). Free memory was 92.4MB in the beginning and 205.4MB in the end (delta: -113.0MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. [2024-11-23 18:34:12,720 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 117.4MB. Free memory is still 83.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 18:34:12,720 INFO L158 Benchmark]: CACSL2BoogieTranslator took 429.06ms. Allocated memory is still 117.4MB. Free memory was 92.2MB in the beginning and 75.6MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-23 18:34:12,720 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.55ms. Allocated memory is still 117.4MB. Free memory was 75.6MB in the beginning and 72.4MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 18:34:12,721 INFO L158 Benchmark]: Boogie Preprocessor took 116.86ms. Allocated memory is still 117.4MB. Free memory was 72.4MB in the beginning and 68.1MB in the end (delta: 4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 18:34:12,722 INFO L158 Benchmark]: RCFGBuilder took 1959.35ms. Allocated memory is still 117.4MB. Free memory was 67.9MB in the beginning and 75.3MB in the end (delta: -7.4MB). Peak memory consumption was 30.8MB. Max. memory is 16.1GB. [2024-11-23 18:34:12,722 INFO L158 Benchmark]: TraceAbstraction took 50399.28ms. Allocated memory was 117.4MB in the beginning and 251.7MB in the end (delta: 134.2MB). Free memory was 74.4MB in the beginning and 205.4MB in the end (delta: -131.0MB). Peak memory consumption was 4.0MB. Max. memory is 16.1GB. [2024-11-23 18:34:12,724 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 117.4MB. Free memory is still 83.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 429.06ms. Allocated memory is still 117.4MB. Free memory was 92.2MB in the beginning and 75.6MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 83.55ms. Allocated memory is still 117.4MB. Free memory was 75.6MB in the beginning and 72.4MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 116.86ms. Allocated memory is still 117.4MB. Free memory was 72.4MB in the beginning and 68.1MB in the end (delta: 4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1959.35ms. Allocated memory is still 117.4MB. Free memory was 67.9MB in the beginning and 75.3MB in the end (delta: -7.4MB). Peak memory consumption was 30.8MB. Max. memory is 16.1GB. * TraceAbstraction took 50399.28ms. Allocated memory was 117.4MB in the beginning and 251.7MB in the end (delta: 134.2MB). Free memory was 74.4MB in the beginning and 205.4MB in the end (delta: -131.0MB). Peak memory consumption was 4.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d47fa4e5-f4da-4dc8-a0ec-485b31d21db9/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d47fa4e5-f4da-4dc8-a0ec-485b31d21db9/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) 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: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d47fa4e5-f4da-4dc8-a0ec-485b31d21db9/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory")