./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-35.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-35.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 10175ba88404a095227b7e35859de06b4a92973be853e9a8f08e99d638bebdbe --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 00:34:19,468 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 00:34:19,523 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-19 00:34:19,530 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 00:34:19,531 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 00:34:19,549 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 00:34:19,550 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 00:34:19,551 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 00:34:19,551 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 00:34:19,552 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 00:34:19,552 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 00:34:19,553 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 00:34:19,553 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 00:34:19,553 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 00:34:19,553 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 00:34:19,554 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 00:34:19,554 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 00:34:19,554 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 00:34:19,554 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 00:34:19,554 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 00:34:19,554 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 00:34:19,555 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 00:34:19,556 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 00:34:19,556 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 00:34:19,556 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 00:34:19,556 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 00:34:19,556 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 00:34:19,556 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 00:34:19,557 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 00:34:19,557 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 00:34:19,557 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 00:34:19,557 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 00:34:19,557 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 00:34:19,557 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 00:34:19,558 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 00:34:19,558 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 00:34:19,558 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 00:34:19,558 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 00:34:19,558 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 00:34:19,558 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 00:34:19,559 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 00:34:19,561 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 00:34:19,561 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 10175ba88404a095227b7e35859de06b4a92973be853e9a8f08e99d638bebdbe [2024-11-19 00:34:19,820 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 00:34:19,843 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 00:34:19,845 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 00:34:19,846 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 00:34:19,847 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 00:34:19,848 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-35.i [2024-11-19 00:34:21,131 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 00:34:21,289 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 00:34:21,289 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-35.i [2024-11-19 00:34:21,299 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb663c5c4/228ba1f596be4e70a3d399d158155123/FLAG5d70ebdea [2024-11-19 00:34:21,687 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb663c5c4/228ba1f596be4e70a3d399d158155123 [2024-11-19 00:34:21,690 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 00:34:21,691 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 00:34:21,692 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 00:34:21,692 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 00:34:21,698 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 00:34:21,698 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 12:34:21" (1/1) ... [2024-11-19 00:34:21,699 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60cc6e29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:34:21, skipping insertion in model container [2024-11-19 00:34:21,700 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 12:34:21" (1/1) ... [2024-11-19 00:34:21,723 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 00:34:21,861 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-35.i[916,929] [2024-11-19 00:34:21,905 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 00:34:21,915 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 00:34:21,924 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-35.i[916,929] [2024-11-19 00:34:21,951 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 00:34:21,971 INFO L204 MainTranslator]: Completed translation [2024-11-19 00:34:21,972 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:34:21 WrapperNode [2024-11-19 00:34:21,972 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 00:34:21,973 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 00:34:21,973 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 00:34:21,973 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 00:34:21,982 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:34:21" (1/1) ... [2024-11-19 00:34:21,992 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:34:21" (1/1) ... [2024-11-19 00:34:22,023 INFO L138 Inliner]: procedures = 29, calls = 152, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 419 [2024-11-19 00:34:22,023 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 00:34:22,024 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 00:34:22,024 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 00:34:22,024 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 00:34:22,033 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:34:21" (1/1) ... [2024-11-19 00:34:22,033 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:34:21" (1/1) ... [2024-11-19 00:34:22,038 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:34:21" (1/1) ... [2024-11-19 00:34:22,056 INFO L175 MemorySlicer]: Split 118 memory accesses to 6 slices as follows [2, 31, 25, 33, 7, 20]. 28 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 4, 3, 4, 1, 3]. The 19 writes are split as follows [0, 5, 3, 4, 3, 4]. [2024-11-19 00:34:22,056 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:34:21" (1/1) ... [2024-11-19 00:34:22,056 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:34:21" (1/1) ... [2024-11-19 00:34:22,079 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:34:21" (1/1) ... [2024-11-19 00:34:22,087 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:34:21" (1/1) ... [2024-11-19 00:34:22,090 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:34:21" (1/1) ... [2024-11-19 00:34:22,092 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:34:21" (1/1) ... [2024-11-19 00:34:22,099 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 00:34:22,100 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 00:34:22,100 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 00:34:22,100 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 00:34:22,101 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:34:21" (1/1) ... [2024-11-19 00:34:22,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 00:34:22,118 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 00:34:22,139 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-19 00:34:22,143 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-19 00:34:22,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 00:34:22,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-19 00:34:22,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-19 00:34:22,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-19 00:34:22,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-19 00:34:22,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-19 00:34:22,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-19 00:34:22,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-11-19 00:34:22,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-11-19 00:34:22,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-11-19 00:34:22,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-11-19 00:34:22,194 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-11-19 00:34:22,194 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2024-11-19 00:34:22,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-11-19 00:34:22,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-11-19 00:34:22,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-11-19 00:34:22,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-11-19 00:34:22,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-11-19 00:34:22,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2024-11-19 00:34:22,195 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-19 00:34:22,196 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-19 00:34:22,196 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-19 00:34:22,196 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-19 00:34:22,196 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-19 00:34:22,197 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-19 00:34:22,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2024-11-19 00:34:22,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2024-11-19 00:34:22,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2024-11-19 00:34:22,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2024-11-19 00:34:22,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2024-11-19 00:34:22,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2024-11-19 00:34:22,198 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-19 00:34:22,198 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-19 00:34:22,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 00:34:22,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 00:34:22,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-19 00:34:22,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-19 00:34:22,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-19 00:34:22,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-19 00:34:22,199 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 00:34:22,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 00:34:22,319 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 00:34:22,321 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 00:34:22,740 INFO L? ?]: Removed 83 outVars from TransFormulas that were not future-live. [2024-11-19 00:34:22,740 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 00:34:22,751 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 00:34:22,751 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-19 00:34:22,752 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 12:34:22 BoogieIcfgContainer [2024-11-19 00:34:22,752 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 00:34:22,753 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 00:34:22,753 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 00:34:22,756 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 00:34:22,756 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 12:34:21" (1/3) ... [2024-11-19 00:34:22,757 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b79b47a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 12:34:22, skipping insertion in model container [2024-11-19 00:34:22,757 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:34:21" (2/3) ... [2024-11-19 00:34:22,757 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b79b47a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 12:34:22, skipping insertion in model container [2024-11-19 00:34:22,757 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 12:34:22" (3/3) ... [2024-11-19 00:34:22,758 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-35.i [2024-11-19 00:34:22,775 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 00:34:22,776 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-19 00:34:22,825 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 00:34:22,831 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;@7868f1be, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 00:34:22,831 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-19 00:34:22,834 INFO L276 IsEmpty]: Start isEmpty. Operand has 101 states, 80 states have (on average 1.375) internal successors, (110), 81 states have internal predecessors, (110), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-19 00:34:22,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-19 00:34:22,844 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 00:34:22,844 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 00:34:22,845 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 00:34:22,849 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 00:34:22,849 INFO L85 PathProgramCache]: Analyzing trace with hash 1056724728, now seen corresponding path program 1 times [2024-11-19 00:34:22,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 00:34:22,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874667244] [2024-11-19 00:34:22,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 00:34:22,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 00:34:22,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 00:34:23,126 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2024-11-19 00:34:23,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 00:34:23,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874667244] [2024-11-19 00:34:23,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1874667244] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 00:34:23,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1870837172] [2024-11-19 00:34:23,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 00:34:23,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 00:34:23,128 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 00:34:23,129 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 00:34:23,131 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-19 00:34:23,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 00:34:23,324 INFO L255 TraceCheckSpWp]: Trace formula consists of 474 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-19 00:34:23,334 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 00:34:23,359 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2024-11-19 00:34:23,363 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 00:34:23,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1870837172] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 00:34:23,364 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 00:34:23,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-19 00:34:23,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631829574] [2024-11-19 00:34:23,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 00:34:23,372 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-19 00:34:23,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 00:34:23,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-19 00:34:23,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 00:34:23,394 INFO L87 Difference]: Start difference. First operand has 101 states, 80 states have (on average 1.375) internal successors, (110), 81 states have internal predecessors, (110), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-19 00:34:23,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 00:34:23,423 INFO L93 Difference]: Finished difference Result 195 states and 304 transitions. [2024-11-19 00:34:23,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-19 00:34:23,425 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) Word has length 143 [2024-11-19 00:34:23,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 00:34:23,430 INFO L225 Difference]: With dead ends: 195 [2024-11-19 00:34:23,430 INFO L226 Difference]: Without dead ends: 97 [2024-11-19 00:34:23,433 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 00:34:23,439 INFO L432 NwaCegarLoop]: 138 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, 138 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 [2024-11-19 00:34:23,440 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 00:34:23,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2024-11-19 00:34:23,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2024-11-19 00:34:23,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 77 states have (on average 1.3246753246753247) internal successors, (102), 77 states have internal predecessors, (102), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-19 00:34:23,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 138 transitions. [2024-11-19 00:34:23,482 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 138 transitions. Word has length 143 [2024-11-19 00:34:23,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 00:34:23,482 INFO L471 AbstractCegarLoop]: Abstraction has 97 states and 138 transitions. [2024-11-19 00:34:23,483 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-19 00:34:23,483 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 138 transitions. [2024-11-19 00:34:23,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-19 00:34:23,485 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 00:34:23,485 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 00:34:23,499 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-19 00:34:23,686 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-19 00:34:23,686 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 00:34:23,687 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 00:34:23,687 INFO L85 PathProgramCache]: Analyzing trace with hash -1467615336, now seen corresponding path program 1 times [2024-11-19 00:34:23,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 00:34:23,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458576193] [2024-11-19 00:34:23,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 00:34:23,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 00:34:23,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 00:34:24,864 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 9 proven. 42 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2024-11-19 00:34:24,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 00:34:24,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458576193] [2024-11-19 00:34:24,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [458576193] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 00:34:24,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [427954432] [2024-11-19 00:34:24,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 00:34:24,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 00:34:24,865 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 00:34:24,868 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 00:34:24,883 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-19 00:34:25,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 00:34:25,076 INFO L255 TraceCheckSpWp]: Trace formula consists of 474 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-19 00:34:25,084 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 00:34:25,180 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 31 treesize of output 15 [2024-11-19 00:34:25,449 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 70 treesize of output 52 [2024-11-19 00:34:25,452 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 70 [2024-11-19 00:34:25,481 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-19 00:34:25,482 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2024-11-19 00:34:25,518 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 146 proven. 90 refuted. 0 times theorem prover too weak. 376 trivial. 0 not checked. [2024-11-19 00:34:25,518 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 00:34:25,853 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 9 proven. 42 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2024-11-19 00:34:25,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [427954432] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 00:34:25,854 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 00:34:25,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 16 [2024-11-19 00:34:25,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741454698] [2024-11-19 00:34:25,854 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 00:34:25,855 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-19 00:34:25,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 00:34:25,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-19 00:34:25,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=191, Unknown=0, NotChecked=0, Total=240 [2024-11-19 00:34:25,857 INFO L87 Difference]: Start difference. First operand 97 states and 138 transitions. Second operand has 16 states, 13 states have (on average 5.615384615384615) internal successors, (73), 16 states have internal predecessors, (73), 5 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (35), 2 states have call predecessors, (35), 5 states have call successors, (35) [2024-11-19 00:34:26,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 00:34:26,440 INFO L93 Difference]: Finished difference Result 301 states and 422 transitions. [2024-11-19 00:34:26,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-19 00:34:26,441 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 13 states have (on average 5.615384615384615) internal successors, (73), 16 states have internal predecessors, (73), 5 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (35), 2 states have call predecessors, (35), 5 states have call successors, (35) Word has length 143 [2024-11-19 00:34:26,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 00:34:26,443 INFO L225 Difference]: With dead ends: 301 [2024-11-19 00:34:26,445 INFO L226 Difference]: Without dead ends: 207 [2024-11-19 00:34:26,447 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 309 GetRequests, 277 SyntacticMatches, 4 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 161 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=188, Invalid=682, Unknown=0, NotChecked=0, Total=870 [2024-11-19 00:34:26,448 INFO L432 NwaCegarLoop]: 133 mSDtfsCounter, 391 mSDsluCounter, 869 mSDsCounter, 0 mSdLazyCounter, 536 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 411 SdHoareTripleChecker+Valid, 1002 SdHoareTripleChecker+Invalid, 590 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 536 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-19 00:34:26,449 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [411 Valid, 1002 Invalid, 590 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 536 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-19 00:34:26,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2024-11-19 00:34:26,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 103. [2024-11-19 00:34:26,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 82 states have (on average 1.3048780487804879) internal successors, (107), 82 states have internal predecessors, (107), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-19 00:34:26,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 143 transitions. [2024-11-19 00:34:26,474 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 143 transitions. Word has length 143 [2024-11-19 00:34:26,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 00:34:26,475 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 143 transitions. [2024-11-19 00:34:26,475 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 13 states have (on average 5.615384615384615) internal successors, (73), 16 states have internal predecessors, (73), 5 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (35), 2 states have call predecessors, (35), 5 states have call successors, (35) [2024-11-19 00:34:26,475 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 143 transitions. [2024-11-19 00:34:26,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-19 00:34:26,476 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 00:34:26,477 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 00:34:26,491 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-19 00:34:26,677 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-11-19 00:34:26,677 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 00:34:26,678 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 00:34:26,678 INFO L85 PathProgramCache]: Analyzing trace with hash 1138408218, now seen corresponding path program 1 times [2024-11-19 00:34:26,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 00:34:26,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112740357] [2024-11-19 00:34:26,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 00:34:26,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 00:34:26,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 00:34:26,774 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 00:34:26,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 00:34:26,906 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 00:34:26,907 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-19 00:34:26,908 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-19 00:34:26,909 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 00:34:26,913 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-19 00:34:27,022 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-19 00:34:27,026 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 12:34:27 BoogieIcfgContainer [2024-11-19 00:34:27,028 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-19 00:34:27,029 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-19 00:34:27,029 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-19 00:34:27,029 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-19 00:34:27,030 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 12:34:22" (3/4) ... [2024-11-19 00:34:27,032 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-19 00:34:27,033 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-19 00:34:27,034 INFO L158 Benchmark]: Toolchain (without parser) took 5343.37ms. Allocated memory was 161.5MB in the beginning and 195.0MB in the end (delta: 33.6MB). Free memory was 124.0MB in the beginning and 63.0MB in the end (delta: 61.0MB). Peak memory consumption was 94.4MB. Max. memory is 16.1GB. [2024-11-19 00:34:27,035 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 113.2MB. Free memory is still 85.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 00:34:27,035 INFO L158 Benchmark]: CACSL2BoogieTranslator took 280.07ms. Allocated memory is still 161.5MB. Free memory was 124.0MB in the beginning and 107.2MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-19 00:34:27,035 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.80ms. Allocated memory is still 161.5MB. Free memory was 107.2MB in the beginning and 103.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-19 00:34:27,036 INFO L158 Benchmark]: Boogie Preprocessor took 75.72ms. Allocated memory is still 161.5MB. Free memory was 103.0MB in the beginning and 98.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-19 00:34:27,036 INFO L158 Benchmark]: RCFGBuilder took 651.63ms. Allocated memory is still 161.5MB. Free memory was 97.8MB in the beginning and 110.8MB in the end (delta: -13.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-19 00:34:27,036 INFO L158 Benchmark]: TraceAbstraction took 4275.37ms. Allocated memory was 161.5MB in the beginning and 195.0MB in the end (delta: 33.6MB). Free memory was 109.7MB in the beginning and 63.0MB in the end (delta: 46.7MB). Peak memory consumption was 83.4MB. Max. memory is 16.1GB. [2024-11-19 00:34:27,037 INFO L158 Benchmark]: Witness Printer took 4.90ms. Allocated memory is still 195.0MB. Free memory is still 63.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 00:34:27,038 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 113.2MB. Free memory is still 85.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 280.07ms. Allocated memory is still 161.5MB. Free memory was 124.0MB in the beginning and 107.2MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.80ms. Allocated memory is still 161.5MB. Free memory was 107.2MB in the beginning and 103.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 75.72ms. Allocated memory is still 161.5MB. Free memory was 103.0MB in the beginning and 98.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 651.63ms. Allocated memory is still 161.5MB. Free memory was 97.8MB in the beginning and 110.8MB in the end (delta: -13.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 4275.37ms. Allocated memory was 161.5MB in the beginning and 195.0MB in the end (delta: 33.6MB). Free memory was 109.7MB in the beginning and 63.0MB in the end (delta: 46.7MB). Peak memory consumption was 83.4MB. Max. memory is 16.1GB. * Witness Printer took 4.90ms. Allocated memory is still 195.0MB. Free memory is still 63.0MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 103, overapproximation of someUnaryDOUBLEoperation at line 26, overapproximation of someBinaryArithmeticFLOAToperation at line 43. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[2][2] = { {1, 1}, {0, 1} }; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[2][2] = { {1, 1}, {0, 1} }; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[2][2] = { {1, 1}, {0, 1} }; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[2][2] = { {1, 1}, {0, 1} }; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[2][2] = { {1, 1}, {0, 1} }; [L25-L27] float float_Array_0[3] = { -0.6, 255.1, 4.8 }; [L25-L27] float float_Array_0[3] = { -0.6, 255.1, 4.8 }; [L25-L27] float float_Array_0[3] = { -0.6, 255.1, 4.8 }; [L25-L27] float float_Array_0[3] = { -0.6, 255.1, 4.8 }; [L28-L30] signed char signed_char_Array_0[2][2] = { {10, -2}, {5, -1} }; [L28-L30] signed char signed_char_Array_0[2][2] = { {10, -2}, {5, -1} }; [L28-L30] signed char signed_char_Array_0[2][2] = { {10, -2}, {5, -1} }; [L28-L30] signed char signed_char_Array_0[2][2] = { {10, -2}, {5, -1} }; [L28-L30] signed char signed_char_Array_0[2][2] = { {10, -2}, {5, -1} }; [L31-L33] signed short int signed_short_int_Array_0[1] = { -10 }; [L31-L33] signed short int signed_short_int_Array_0[1] = { -10 }; [L34-L36] unsigned char unsigned_char_Array_0[3] = { 5, 5, 64 }; [L34-L36] unsigned char unsigned_char_Array_0[3] = { 5, 5, 64 }; [L34-L36] unsigned char unsigned_char_Array_0[3] = { 5, 5, 64 }; [L34-L36] unsigned char unsigned_char_Array_0[3] = { 5, 5, 64 }; [L37] unsigned char last_1_unsigned_char_Array_0_1_ = 5; VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=0, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L107] isInitial = 1 [L108] FCALL initially() [L109] COND TRUE 1 [L110] CALL updateLastVariables() [L100] EXPR unsigned_char_Array_0[1] [L100] last_1_unsigned_char_Array_0_1_ = unsigned_char_Array_0[1] [L110] RET updateLastVariables() [L111] CALL updateVariables() [L70] BOOL_unsigned_char_Array_0[0][0] = __VERIFIER_nondet_uchar() [L71] EXPR BOOL_unsigned_char_Array_0[0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L71] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L71] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L72] EXPR BOOL_unsigned_char_Array_0[0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L72] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0][0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L72] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0][0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L73] BOOL_unsigned_char_Array_0[1][0] = __VERIFIER_nondet_uchar() [L74] EXPR BOOL_unsigned_char_Array_0[1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L74] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L74] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L75] EXPR BOOL_unsigned_char_Array_0[1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L75] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1][0] <= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L75] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1][0] <= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L76] BOOL_unsigned_char_Array_0[0][1] = __VERIFIER_nondet_uchar() [L77] EXPR BOOL_unsigned_char_Array_0[0][1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L77] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0][1] >= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L77] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0][1] >= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L78] EXPR BOOL_unsigned_char_Array_0[0][1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L78] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0][1] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L78] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0][1] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L79] float_Array_0[0] = __VERIFIER_nondet_float() [L80] EXPR float_Array_0[0] [L80] EXPR float_Array_0[0] >= -461168.6018427382800e+13F && float_Array_0[0] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L80] EXPR float_Array_0[0] >= -461168.6018427382800e+13F && float_Array_0[0] <= -1.0e-20F [L80] EXPR float_Array_0[0] [L80] EXPR float_Array_0[0] >= -461168.6018427382800e+13F && float_Array_0[0] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L80] EXPR (float_Array_0[0] >= -461168.6018427382800e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 4611686.018427382800e+12F && float_Array_0[0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L80] EXPR (float_Array_0[0] >= -461168.6018427382800e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 4611686.018427382800e+12F && float_Array_0[0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L80] CALL assume_abort_if_not((float_Array_0[0] >= -461168.6018427382800e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 4611686.018427382800e+12F && float_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L80] RET assume_abort_if_not((float_Array_0[0] >= -461168.6018427382800e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 4611686.018427382800e+12F && float_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L81] float_Array_0[1] = __VERIFIER_nondet_float() [L82] EXPR float_Array_0[1] [L82] EXPR float_Array_0[1] >= -461168.6018427382800e+13F && float_Array_0[1] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L82] EXPR float_Array_0[1] >= -461168.6018427382800e+13F && float_Array_0[1] <= -1.0e-20F [L82] EXPR float_Array_0[1] [L82] EXPR float_Array_0[1] >= -461168.6018427382800e+13F && float_Array_0[1] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L82] EXPR (float_Array_0[1] >= -461168.6018427382800e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 4611686.018427382800e+12F && float_Array_0[1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L82] EXPR (float_Array_0[1] >= -461168.6018427382800e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 4611686.018427382800e+12F && float_Array_0[1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L82] CALL assume_abort_if_not((float_Array_0[1] >= -461168.6018427382800e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 4611686.018427382800e+12F && float_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L82] RET assume_abort_if_not((float_Array_0[1] >= -461168.6018427382800e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 4611686.018427382800e+12F && float_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L83] signed_char_Array_0[0][0] = __VERIFIER_nondet_char() [L84] EXPR signed_char_Array_0[0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L84] CALL assume_abort_if_not(signed_char_Array_0[0][0] >= -31) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L84] RET assume_abort_if_not(signed_char_Array_0[0][0] >= -31) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L85] EXPR signed_char_Array_0[0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L85] CALL assume_abort_if_not(signed_char_Array_0[0][0] <= 32) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L85] RET assume_abort_if_not(signed_char_Array_0[0][0] <= 32) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L86] signed_char_Array_0[1][0] = __VERIFIER_nondet_char() [L87] EXPR signed_char_Array_0[1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L87] CALL assume_abort_if_not(signed_char_Array_0[1][0] >= -31) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L87] RET assume_abort_if_not(signed_char_Array_0[1][0] >= -31) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L88] EXPR signed_char_Array_0[1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L88] CALL assume_abort_if_not(signed_char_Array_0[1][0] <= 31) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L88] RET assume_abort_if_not(signed_char_Array_0[1][0] <= 31) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L89] signed_char_Array_0[1][1] = __VERIFIER_nondet_char() [L90] EXPR signed_char_Array_0[1][1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L90] CALL assume_abort_if_not(signed_char_Array_0[1][1] >= -63) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L90] RET assume_abort_if_not(signed_char_Array_0[1][1] >= -63) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L91] EXPR signed_char_Array_0[1][1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L91] CALL assume_abort_if_not(signed_char_Array_0[1][1] <= 63) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L91] RET assume_abort_if_not(signed_char_Array_0[1][1] <= 63) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L92] unsigned_char_Array_0[0] = __VERIFIER_nondet_uchar() [L93] EXPR unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L93] CALL assume_abort_if_not(unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L93] RET assume_abort_if_not(unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L94] EXPR unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L94] CALL assume_abort_if_not(unsigned_char_Array_0[0] <= 32) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L94] RET assume_abort_if_not(unsigned_char_Array_0[0] <= 32) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L95] unsigned_char_Array_0[2] = __VERIFIER_nondet_uchar() [L96] EXPR unsigned_char_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L96] CALL assume_abort_if_not(unsigned_char_Array_0[2] >= 32) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L96] RET assume_abort_if_not(unsigned_char_Array_0[2] >= 32) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L97] EXPR unsigned_char_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L97] CALL assume_abort_if_not(unsigned_char_Array_0[2] <= 64) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L97] RET assume_abort_if_not(unsigned_char_Array_0[2] <= 64) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L111] RET updateVariables() [L112] CALL step() [L41] signed long int stepLocal_0 = ~ last_1_unsigned_char_Array_0_1_; VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, stepLocal_0=-6, unsigned_char_Array_0={8:0}] [L42] COND TRUE last_1_unsigned_char_Array_0_1_ >= stepLocal_0 [L43] EXPR float_Array_0[1] [L43] EXPR float_Array_0[0] [L43] float_Array_0[2] = (float_Array_0[1] + float_Array_0[0]) [L45] EXPR float_Array_0[2] [L45] EXPR float_Array_0[0] [L45] EXPR float_Array_0[1] [L45] unsigned char stepLocal_1 = (float_Array_0[2] * float_Array_0[0]) >= float_Array_0[1]; [L46] EXPR BOOL_unsigned_char_Array_0[0][1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L46] COND FALSE !(BOOL_unsigned_char_Array_0[0][1] && stepLocal_1) [L49] EXPR unsigned_char_Array_0[2] [L49] unsigned_char_Array_0[1] = unsigned_char_Array_0[2] [L51] BOOL_unsigned_char_Array_0[0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L51] COND FALSE !(BOOL_unsigned_char_Array_0[0][0]) [L54] EXPR BOOL_unsigned_char_Array_0[0][1] [L54] BOOL_unsigned_char_Array_0[1][1] = (! BOOL_unsigned_char_Array_0[0][1]) [L56] BOOL_unsigned_char_Array_0[1][1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L56] COND FALSE !(BOOL_unsigned_char_Array_0[1][1]) [L59] BOOL_unsigned_char_Array_0[1][1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L59] COND FALSE !(BOOL_unsigned_char_Array_0[1][1]) [L66] EXPR signed_char_Array_0[0][1] [L66] signed_short_int_Array_0[0] = signed_char_Array_0[0][1] [L112] RET step() [L113] CALL, EXPR property() [L103] EXPR (last_1_unsigned_char_Array_0_1_ >= (~ last_1_unsigned_char_Array_0_1_)) ? (float_Array_0[2] == ((float) (float_Array_0[1] + float_Array_0[0]))) : 1 [L103] EXPR float_Array_0[2] [L103] EXPR float_Array_0[1] [L103] EXPR float_Array_0[0] [L103] EXPR (last_1_unsigned_char_Array_0_1_ >= (~ last_1_unsigned_char_Array_0_1_)) ? (float_Array_0[2] == ((float) (float_Array_0[1] + float_Array_0[0]))) : 1 VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L103] EXPR ((last_1_unsigned_char_Array_0_1_ >= (~ last_1_unsigned_char_Array_0_1_)) ? (float_Array_0[2] == ((float) (float_Array_0[1] + float_Array_0[0]))) : 1) && (BOOL_unsigned_char_Array_0[1][1] ? (BOOL_unsigned_char_Array_0[1][1] ? (signed_short_int_Array_0[0] == ((signed short int) (signed_char_Array_0[0][1] + signed_char_Array_0[0][1]))) : (signed_short_int_Array_0[0] == ((signed short int) (signed_char_Array_0[0][1] + signed_char_Array_0[0][1])))) : (signed_short_int_Array_0[0] == ((signed short int) signed_char_Array_0[0][1]))) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L103] EXPR ((last_1_unsigned_char_Array_0_1_ >= (~ last_1_unsigned_char_Array_0_1_)) ? (float_Array_0[2] == ((float) (float_Array_0[1] + float_Array_0[0]))) : 1) && (BOOL_unsigned_char_Array_0[1][1] ? (BOOL_unsigned_char_Array_0[1][1] ? (signed_short_int_Array_0[0] == ((signed short int) (signed_char_Array_0[0][1] + signed_char_Array_0[0][1]))) : (signed_short_int_Array_0[0] == ((signed short int) (signed_char_Array_0[0][1] + signed_char_Array_0[0][1])))) : (signed_short_int_Array_0[0] == ((signed short int) signed_char_Array_0[0][1]))) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L103] EXPR (((last_1_unsigned_char_Array_0_1_ >= (~ last_1_unsigned_char_Array_0_1_)) ? (float_Array_0[2] == ((float) (float_Array_0[1] + float_Array_0[0]))) : 1) && (BOOL_unsigned_char_Array_0[1][1] ? (BOOL_unsigned_char_Array_0[1][1] ? (signed_short_int_Array_0[0] == ((signed short int) (signed_char_Array_0[0][1] + signed_char_Array_0[0][1]))) : (signed_short_int_Array_0[0] == ((signed short int) (signed_char_Array_0[0][1] + signed_char_Array_0[0][1])))) : (signed_short_int_Array_0[0] == ((signed short int) signed_char_Array_0[0][1])))) && (BOOL_unsigned_char_Array_0[1][1] ? (signed_char_Array_0[0][1] == ((signed char) ((signed_char_Array_0[0][0] + ((((10) < (signed_char_Array_0[1][0])) ? (10) : (signed_char_Array_0[1][0])))) + signed_char_Array_0[1][1]))) : 1) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L103] EXPR (((last_1_unsigned_char_Array_0_1_ >= (~ last_1_unsigned_char_Array_0_1_)) ? (float_Array_0[2] == ((float) (float_Array_0[1] + float_Array_0[0]))) : 1) && (BOOL_unsigned_char_Array_0[1][1] ? (BOOL_unsigned_char_Array_0[1][1] ? (signed_short_int_Array_0[0] == ((signed short int) (signed_char_Array_0[0][1] + signed_char_Array_0[0][1]))) : (signed_short_int_Array_0[0] == ((signed short int) (signed_char_Array_0[0][1] + signed_char_Array_0[0][1])))) : (signed_short_int_Array_0[0] == ((signed short int) signed_char_Array_0[0][1])))) && (BOOL_unsigned_char_Array_0[1][1] ? (signed_char_Array_0[0][1] == ((signed char) ((signed_char_Array_0[0][0] + ((((10) < (signed_char_Array_0[1][0])) ? (10) : (signed_char_Array_0[1][0])))) + signed_char_Array_0[1][1]))) : 1) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L103] EXPR ((((last_1_unsigned_char_Array_0_1_ >= (~ last_1_unsigned_char_Array_0_1_)) ? (float_Array_0[2] == ((float) (float_Array_0[1] + float_Array_0[0]))) : 1) && (BOOL_unsigned_char_Array_0[1][1] ? (BOOL_unsigned_char_Array_0[1][1] ? (signed_short_int_Array_0[0] == ((signed short int) (signed_char_Array_0[0][1] + signed_char_Array_0[0][1]))) : (signed_short_int_Array_0[0] == ((signed short int) (signed_char_Array_0[0][1] + signed_char_Array_0[0][1])))) : (signed_short_int_Array_0[0] == ((signed short int) signed_char_Array_0[0][1])))) && (BOOL_unsigned_char_Array_0[1][1] ? (signed_char_Array_0[0][1] == ((signed char) ((signed_char_Array_0[0][0] + ((((10) < (signed_char_Array_0[1][0])) ? (10) : (signed_char_Array_0[1][0])))) + signed_char_Array_0[1][1]))) : 1)) && (BOOL_unsigned_char_Array_0[0][0] ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) (! BOOL_unsigned_char_Array_0[1][0]))) : (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) (! BOOL_unsigned_char_Array_0[0][1])))) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L103] EXPR ((((last_1_unsigned_char_Array_0_1_ >= (~ last_1_unsigned_char_Array_0_1_)) ? (float_Array_0[2] == ((float) (float_Array_0[1] + float_Array_0[0]))) : 1) && (BOOL_unsigned_char_Array_0[1][1] ? (BOOL_unsigned_char_Array_0[1][1] ? (signed_short_int_Array_0[0] == ((signed short int) (signed_char_Array_0[0][1] + signed_char_Array_0[0][1]))) : (signed_short_int_Array_0[0] == ((signed short int) (signed_char_Array_0[0][1] + signed_char_Array_0[0][1])))) : (signed_short_int_Array_0[0] == ((signed short int) signed_char_Array_0[0][1])))) && (BOOL_unsigned_char_Array_0[1][1] ? (signed_char_Array_0[0][1] == ((signed char) ((signed_char_Array_0[0][0] + ((((10) < (signed_char_Array_0[1][0])) ? (10) : (signed_char_Array_0[1][0])))) + signed_char_Array_0[1][1]))) : 1)) && (BOOL_unsigned_char_Array_0[0][0] ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) (! BOOL_unsigned_char_Array_0[1][0]))) : (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) (! BOOL_unsigned_char_Array_0[0][1])))) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L103] EXPR (((((last_1_unsigned_char_Array_0_1_ >= (~ last_1_unsigned_char_Array_0_1_)) ? (float_Array_0[2] == ((float) (float_Array_0[1] + float_Array_0[0]))) : 1) && (BOOL_unsigned_char_Array_0[1][1] ? (BOOL_unsigned_char_Array_0[1][1] ? (signed_short_int_Array_0[0] == ((signed short int) (signed_char_Array_0[0][1] + signed_char_Array_0[0][1]))) : (signed_short_int_Array_0[0] == ((signed short int) (signed_char_Array_0[0][1] + signed_char_Array_0[0][1])))) : (signed_short_int_Array_0[0] == ((signed short int) signed_char_Array_0[0][1])))) && (BOOL_unsigned_char_Array_0[1][1] ? (signed_char_Array_0[0][1] == ((signed char) ((signed_char_Array_0[0][0] + ((((10) < (signed_char_Array_0[1][0])) ? (10) : (signed_char_Array_0[1][0])))) + signed_char_Array_0[1][1]))) : 1)) && (BOOL_unsigned_char_Array_0[0][0] ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) (! BOOL_unsigned_char_Array_0[1][0]))) : (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) (! BOOL_unsigned_char_Array_0[0][1]))))) && ((BOOL_unsigned_char_Array_0[0][1] && ((float_Array_0[2] * float_Array_0[0]) >= float_Array_0[1])) ? (unsigned_char_Array_0[1] == ((unsigned char) (2 + ((unsigned_char_Array_0[2] - unsigned_char_Array_0[0]) + 32)))) : (unsigned_char_Array_0[1] == ((unsigned char) unsigned_char_Array_0[2]))) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L103] EXPR (((((last_1_unsigned_char_Array_0_1_ >= (~ last_1_unsigned_char_Array_0_1_)) ? (float_Array_0[2] == ((float) (float_Array_0[1] + float_Array_0[0]))) : 1) && (BOOL_unsigned_char_Array_0[1][1] ? (BOOL_unsigned_char_Array_0[1][1] ? (signed_short_int_Array_0[0] == ((signed short int) (signed_char_Array_0[0][1] + signed_char_Array_0[0][1]))) : (signed_short_int_Array_0[0] == ((signed short int) (signed_char_Array_0[0][1] + signed_char_Array_0[0][1])))) : (signed_short_int_Array_0[0] == ((signed short int) signed_char_Array_0[0][1])))) && (BOOL_unsigned_char_Array_0[1][1] ? (signed_char_Array_0[0][1] == ((signed char) ((signed_char_Array_0[0][0] + ((((10) < (signed_char_Array_0[1][0])) ? (10) : (signed_char_Array_0[1][0])))) + signed_char_Array_0[1][1]))) : 1)) && (BOOL_unsigned_char_Array_0[0][0] ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) (! BOOL_unsigned_char_Array_0[1][0]))) : (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) (! BOOL_unsigned_char_Array_0[0][1]))))) && ((BOOL_unsigned_char_Array_0[0][1] && ((float_Array_0[2] * float_Array_0[0]) >= float_Array_0[1])) ? (unsigned_char_Array_0[1] == ((unsigned char) (2 + ((unsigned_char_Array_0[2] - unsigned_char_Array_0[0]) + 32)))) : (unsigned_char_Array_0[1] == ((unsigned char) unsigned_char_Array_0[2]))) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L103-L104] return (((((last_1_unsigned_char_Array_0_1_ >= (~ last_1_unsigned_char_Array_0_1_)) ? (float_Array_0[2] == ((float) (float_Array_0[1] + float_Array_0[0]))) : 1) && (BOOL_unsigned_char_Array_0[1][1] ? (BOOL_unsigned_char_Array_0[1][1] ? (signed_short_int_Array_0[0] == ((signed short int) (signed_char_Array_0[0][1] + signed_char_Array_0[0][1]))) : (signed_short_int_Array_0[0] == ((signed short int) (signed_char_Array_0[0][1] + signed_char_Array_0[0][1])))) : (signed_short_int_Array_0[0] == ((signed short int) signed_char_Array_0[0][1])))) && (BOOL_unsigned_char_Array_0[1][1] ? (signed_char_Array_0[0][1] == ((signed char) ((signed_char_Array_0[0][0] + ((((10) < (signed_char_Array_0[1][0])) ? (10) : (signed_char_Array_0[1][0])))) + signed_char_Array_0[1][1]))) : 1)) && (BOOL_unsigned_char_Array_0[0][0] ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) (! BOOL_unsigned_char_Array_0[1][0]))) : (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) (! BOOL_unsigned_char_Array_0[0][1]))))) && ((BOOL_unsigned_char_Array_0[0][1] && ((float_Array_0[2] * float_Array_0[0]) >= float_Array_0[1])) ? (unsigned_char_Array_0[1] == ((unsigned char) (2 + ((unsigned_char_Array_0[2] - unsigned_char_Array_0[0]) + 32)))) : (unsigned_char_Array_0[1] == ((unsigned char) unsigned_char_Array_0[2]))) ; [L113] RET, EXPR property() [L113] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L19] reach_error() VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=5, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 101 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.1s, OverallIterations: 3, TraceHistogramMax: 18, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 411 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 391 mSDsluCounter, 1140 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 869 mSDsCounter, 54 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 536 IncrementalHoareTripleChecker+Invalid, 590 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 54 mSolverCounterUnsat, 271 mSDtfsCounter, 536 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 453 GetRequests, 421 SyntacticMatches, 4 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 161 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=103occurred in iteration=2, InterpolantAutomatonStates: 24, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 104 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 715 NumberOfCodeBlocks, 715 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 710 ConstructedInterpolants, 0 QuantifiedInterpolants, 2662 SizeOfPredicates, 7 NumberOfNonLiveVariables, 948 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 5 InterpolantComputations, 1 PerfectInterpolantSequences, 2852/3060 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-19 00:34:27,067 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, 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: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-35.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 10175ba88404a095227b7e35859de06b4a92973be853e9a8f08e99d638bebdbe --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 00:34:29,166 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 00:34:29,233 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-19 00:34:29,239 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 00:34:29,241 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 00:34:29,271 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 00:34:29,272 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 00:34:29,273 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 00:34:29,273 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 00:34:29,274 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 00:34:29,274 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 00:34:29,274 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 00:34:29,275 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 00:34:29,275 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 00:34:29,275 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 00:34:29,275 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 00:34:29,275 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 00:34:29,276 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 00:34:29,276 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 00:34:29,276 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 00:34:29,276 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 00:34:29,281 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 00:34:29,281 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 00:34:29,281 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-19 00:34:29,281 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-19 00:34:29,281 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 00:34:29,281 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-19 00:34:29,282 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 00:34:29,282 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 00:34:29,282 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 00:34:29,282 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 00:34:29,282 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 00:34:29,282 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 00:34:29,283 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 00:34:29,283 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 00:34:29,283 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 00:34:29,283 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 00:34:29,283 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 00:34:29,283 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-19 00:34:29,283 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-19 00:34:29,284 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 00:34:29,286 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 00:34:29,286 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 00:34:29,286 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 00:34:29,286 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 10175ba88404a095227b7e35859de06b4a92973be853e9a8f08e99d638bebdbe [2024-11-19 00:34:29,564 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 00:34:29,585 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 00:34:29,588 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 00:34:29,589 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 00:34:29,593 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 00:34:29,595 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-35.i [2024-11-19 00:34:30,961 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 00:34:31,148 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 00:34:31,148 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-35.i [2024-11-19 00:34:31,156 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b564aef99/1f7161b83f8241d998475ded77d3bb1e/FLAGab8649e72 [2024-11-19 00:34:31,527 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b564aef99/1f7161b83f8241d998475ded77d3bb1e [2024-11-19 00:34:31,529 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 00:34:31,530 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 00:34:31,531 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 00:34:31,531 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 00:34:31,535 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 00:34:31,536 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 12:34:31" (1/1) ... [2024-11-19 00:34:31,537 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b4ea0eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:34:31, skipping insertion in model container [2024-11-19 00:34:31,537 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 12:34:31" (1/1) ... [2024-11-19 00:34:31,559 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 00:34:31,719 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-35.i[916,929] [2024-11-19 00:34:31,787 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 00:34:31,809 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 00:34:31,823 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-35.i[916,929] [2024-11-19 00:34:31,865 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 00:34:31,890 INFO L204 MainTranslator]: Completed translation [2024-11-19 00:34:31,890 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:34:31 WrapperNode [2024-11-19 00:34:31,890 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 00:34:31,892 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 00:34:31,892 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 00:34:31,892 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 00:34:31,897 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:34:31" (1/1) ... [2024-11-19 00:34:31,910 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:34:31" (1/1) ... [2024-11-19 00:34:31,944 INFO L138 Inliner]: procedures = 33, calls = 152, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 416 [2024-11-19 00:34:31,945 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 00:34:31,946 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 00:34:31,947 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 00:34:31,947 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 00:34:31,957 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:34:31" (1/1) ... [2024-11-19 00:34:31,957 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:34:31" (1/1) ... [2024-11-19 00:34:31,968 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:34:31" (1/1) ... [2024-11-19 00:34:31,996 INFO L175 MemorySlicer]: Split 118 memory accesses to 6 slices as follows [2, 31, 25, 33, 7, 20]. 28 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 4, 3, 4, 1, 3]. The 19 writes are split as follows [0, 5, 3, 4, 3, 4]. [2024-11-19 00:34:31,997 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:34:31" (1/1) ... [2024-11-19 00:34:31,997 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:34:31" (1/1) ... [2024-11-19 00:34:32,017 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:34:31" (1/1) ... [2024-11-19 00:34:32,027 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:34:31" (1/1) ... [2024-11-19 00:34:32,031 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:34:31" (1/1) ... [2024-11-19 00:34:32,033 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:34:31" (1/1) ... [2024-11-19 00:34:32,038 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 00:34:32,039 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 00:34:32,040 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 00:34:32,040 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 00:34:32,040 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:34:31" (1/1) ... [2024-11-19 00:34:32,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 00:34:32,055 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 00:34:32,067 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-19 00:34:32,070 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-19 00:34:32,108 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 00:34:32,108 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-19 00:34:32,108 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-19 00:34:32,108 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-19 00:34:32,108 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-19 00:34:32,108 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-19 00:34:32,108 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-11-19 00:34:32,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#0 [2024-11-19 00:34:32,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#1 [2024-11-19 00:34:32,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#2 [2024-11-19 00:34:32,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#3 [2024-11-19 00:34:32,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#4 [2024-11-19 00:34:32,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#5 [2024-11-19 00:34:32,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-19 00:34:32,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-19 00:34:32,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-19 00:34:32,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-19 00:34:32,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-19 00:34:32,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-19 00:34:32,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-11-19 00:34:32,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-11-19 00:34:32,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2024-11-19 00:34:32,111 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2024-11-19 00:34:32,111 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2024-11-19 00:34:32,111 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2024-11-19 00:34:32,111 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2024-11-19 00:34:32,111 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2024-11-19 00:34:32,111 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#2 [2024-11-19 00:34:32,111 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#3 [2024-11-19 00:34:32,111 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#4 [2024-11-19 00:34:32,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#5 [2024-11-19 00:34:32,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-11-19 00:34:32,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-11-19 00:34:32,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2024-11-19 00:34:32,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2024-11-19 00:34:32,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2024-11-19 00:34:32,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2024-11-19 00:34:32,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2024-11-19 00:34:32,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2024-11-19 00:34:32,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2024-11-19 00:34:32,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2024-11-19 00:34:32,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2024-11-19 00:34:32,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5 [2024-11-19 00:34:32,113 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-19 00:34:32,113 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-19 00:34:32,113 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 00:34:32,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 00:34:32,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-19 00:34:32,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-19 00:34:32,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-19 00:34:32,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-19 00:34:32,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-19 00:34:32,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-11-19 00:34:32,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2024-11-19 00:34:32,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2024-11-19 00:34:32,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#2 [2024-11-19 00:34:32,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#3 [2024-11-19 00:34:32,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#4 [2024-11-19 00:34:32,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#5 [2024-11-19 00:34:32,259 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 00:34:32,261 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 00:34:33,022 INFO L? ?]: Removed 83 outVars from TransFormulas that were not future-live. [2024-11-19 00:34:33,022 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 00:34:33,033 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 00:34:33,034 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-19 00:34:33,035 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 12:34:33 BoogieIcfgContainer [2024-11-19 00:34:33,035 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 00:34:33,036 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 00:34:33,037 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 00:34:33,039 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 00:34:33,040 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 12:34:31" (1/3) ... [2024-11-19 00:34:33,040 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3041992d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 12:34:33, skipping insertion in model container [2024-11-19 00:34:33,040 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:34:31" (2/3) ... [2024-11-19 00:34:33,040 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3041992d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 12:34:33, skipping insertion in model container [2024-11-19 00:34:33,041 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 12:34:33" (3/3) ... [2024-11-19 00:34:33,041 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-35.i [2024-11-19 00:34:33,054 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 00:34:33,054 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-19 00:34:33,105 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 00:34:33,111 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;@5f200a77, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 00:34:33,111 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-19 00:34:33,117 INFO L276 IsEmpty]: Start isEmpty. Operand has 101 states, 80 states have (on average 1.375) internal successors, (110), 81 states have internal predecessors, (110), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-19 00:34:33,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-19 00:34:33,131 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 00:34:33,132 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 00:34:33,133 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 00:34:33,137 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 00:34:33,138 INFO L85 PathProgramCache]: Analyzing trace with hash 1056724728, now seen corresponding path program 1 times [2024-11-19 00:34:33,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-19 00:34:33,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2058085537] [2024-11-19 00:34:33,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 00:34:33,156 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 [2024-11-19 00:34:33,156 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-19 00:34:33,159 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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) [2024-11-19 00:34:33,160 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2024-11-19 00:34:33,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 00:34:33,532 INFO L255 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-19 00:34:33,544 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 00:34:33,573 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 314 proven. 0 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2024-11-19 00:34:33,574 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 00:34:33,575 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-19 00:34:33,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2058085537] [2024-11-19 00:34:33,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2058085537] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 00:34:33,577 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 00:34:33,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 00:34:33,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265017330] [2024-11-19 00:34:33,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 00:34:33,583 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-19 00:34:33,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-19 00:34:33,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-19 00:34:33,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 00:34:33,607 INFO L87 Difference]: Start difference. First operand has 101 states, 80 states have (on average 1.375) internal successors, (110), 81 states have internal predecessors, (110), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 30.0) internal successors, (60), 2 states have internal predecessors, (60), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-19 00:34:33,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 00:34:33,628 INFO L93 Difference]: Finished difference Result 195 states and 304 transitions. [2024-11-19 00:34:33,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-19 00:34:33,632 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 30.0) internal successors, (60), 2 states have internal predecessors, (60), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 143 [2024-11-19 00:34:33,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 00:34:33,639 INFO L225 Difference]: With dead ends: 195 [2024-11-19 00:34:33,639 INFO L226 Difference]: Without dead ends: 97 [2024-11-19 00:34:33,642 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 00:34:33,645 INFO L432 NwaCegarLoop]: 138 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, 138 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 [2024-11-19 00:34:33,645 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 00:34:33,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2024-11-19 00:34:33,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2024-11-19 00:34:33,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 77 states have (on average 1.3246753246753247) internal successors, (102), 77 states have internal predecessors, (102), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-19 00:34:33,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 138 transitions. [2024-11-19 00:34:33,679 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 138 transitions. Word has length 143 [2024-11-19 00:34:33,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 00:34:33,680 INFO L471 AbstractCegarLoop]: Abstraction has 97 states and 138 transitions. [2024-11-19 00:34:33,680 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 30.0) internal successors, (60), 2 states have internal predecessors, (60), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-19 00:34:33,680 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 138 transitions. [2024-11-19 00:34:33,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-19 00:34:33,682 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 00:34:33,682 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 00:34:33,692 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2024-11-19 00:34:33,883 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2024-11-19 00:34:33,884 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 00:34:33,884 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 00:34:33,884 INFO L85 PathProgramCache]: Analyzing trace with hash -1467615336, now seen corresponding path program 1 times [2024-11-19 00:34:33,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-19 00:34:33,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2083563310] [2024-11-19 00:34:33,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 00:34:33,885 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 [2024-11-19 00:34:33,885 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-19 00:34:33,887 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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) [2024-11-19 00:34:33,888 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2024-11-19 00:34:34,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 00:34:34,340 INFO L255 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-19 00:34:34,352 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 00:34:34,390 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2024-11-19 00:34:34,615 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 41 treesize of output 19 [2024-11-19 00:34:35,430 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 80 treesize of output 60 [2024-11-19 00:34:35,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 00:34:35,439 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 74 [2024-11-19 00:34:35,467 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 20 [2024-11-19 00:34:35,546 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-19 00:34:35,546 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 17 [2024-11-19 00:34:35,579 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 201 proven. 42 refuted. 0 times theorem prover too weak. 369 trivial. 0 not checked. [2024-11-19 00:34:35,579 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 00:34:35,989 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 9 proven. 42 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2024-11-19 00:34:35,989 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-19 00:34:35,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2083563310] [2024-11-19 00:34:35,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2083563310] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 00:34:35,990 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-19 00:34:35,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 15 [2024-11-19 00:34:35,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604470040] [2024-11-19 00:34:35,990 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-19 00:34:35,992 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-19 00:34:35,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-19 00:34:35,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-19 00:34:35,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=159, Unknown=0, NotChecked=0, Total=210 [2024-11-19 00:34:35,995 INFO L87 Difference]: Start difference. First operand 97 states and 138 transitions. Second operand has 15 states, 13 states have (on average 7.615384615384615) internal successors, (99), 15 states have internal predecessors, (99), 6 states have call successors, (34), 3 states have call predecessors, (34), 5 states have return successors, (34), 4 states have call predecessors, (34), 6 states have call successors, (34) [2024-11-19 00:34:37,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 00:34:37,789 INFO L93 Difference]: Finished difference Result 307 states and 427 transitions. [2024-11-19 00:34:37,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-19 00:34:37,790 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 13 states have (on average 7.615384615384615) internal successors, (99), 15 states have internal predecessors, (99), 6 states have call successors, (34), 3 states have call predecessors, (34), 5 states have return successors, (34), 4 states have call predecessors, (34), 6 states have call successors, (34) Word has length 143 [2024-11-19 00:34:37,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 00:34:37,793 INFO L225 Difference]: With dead ends: 307 [2024-11-19 00:34:37,793 INFO L226 Difference]: Without dead ends: 213 [2024-11-19 00:34:37,794 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 304 GetRequests, 271 SyntacticMatches, 1 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 211 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=284, Invalid=838, Unknown=0, NotChecked=0, Total=1122 [2024-11-19 00:34:37,795 INFO L432 NwaCegarLoop]: 133 mSDtfsCounter, 257 mSDsluCounter, 585 mSDsCounter, 0 mSdLazyCounter, 419 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 262 SdHoareTripleChecker+Valid, 718 SdHoareTripleChecker+Invalid, 479 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 419 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-19 00:34:37,796 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [262 Valid, 718 Invalid, 479 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 419 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-19 00:34:37,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2024-11-19 00:34:37,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 194. [2024-11-19 00:34:37,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 152 states have (on average 1.3026315789473684) internal successors, (198), 153 states have internal predecessors, (198), 36 states have call successors, (36), 5 states have call predecessors, (36), 5 states have return successors, (36), 35 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-19 00:34:37,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 270 transitions. [2024-11-19 00:34:37,818 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 270 transitions. Word has length 143 [2024-11-19 00:34:37,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 00:34:37,819 INFO L471 AbstractCegarLoop]: Abstraction has 194 states and 270 transitions. [2024-11-19 00:34:37,819 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 13 states have (on average 7.615384615384615) internal successors, (99), 15 states have internal predecessors, (99), 6 states have call successors, (34), 3 states have call predecessors, (34), 5 states have return successors, (34), 4 states have call predecessors, (34), 6 states have call successors, (34) [2024-11-19 00:34:37,819 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 270 transitions. [2024-11-19 00:34:37,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-19 00:34:37,821 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 00:34:37,821 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 00:34:37,833 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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)] Ended with exit code 0 [2024-11-19 00:34:38,021 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2024-11-19 00:34:38,022 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 00:34:38,022 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 00:34:38,022 INFO L85 PathProgramCache]: Analyzing trace with hash 1138408218, now seen corresponding path program 1 times [2024-11-19 00:34:38,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-19 00:34:38,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [541039963] [2024-11-19 00:34:38,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 00:34:38,023 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 [2024-11-19 00:34:38,023 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-19 00:34:38,025 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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) [2024-11-19 00:34:38,026 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2024-11-19 00:34:38,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 00:34:38,491 INFO L255 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-19 00:34:38,497 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 00:34:38,814 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-19 00:34:39,317 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 32 [2024-11-19 00:34:42,082 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-19 00:34:42,083 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 200 treesize of output 107 [2024-11-19 00:34:43,862 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 15 [2024-11-19 00:34:43,902 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-19 00:34:43,902 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 335 treesize of output 131 [2024-11-19 00:34:46,141 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 292 proven. 72 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2024-11-19 00:34:46,141 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 00:34:59,352 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse5 (select |c_#memory_int#2| |c_~#float_Array_0~0.base|))) (let ((.cse2 (let ((.cse6 (select .cse5 (bvadd (_ bv4 32) |c_~#float_Array_0~0.offset|)))) (fp ((_ extract 31 31) .cse6) ((_ extract 30 23) .cse6) ((_ extract 22 0) .cse6)))) (.cse1 (let ((.cse4 (select .cse5 |c_~#float_Array_0~0.offset|))) (fp ((_ extract 31 31) .cse4) ((_ extract 30 23) .cse4) ((_ extract 22 0) .cse4))))) (let ((.cse3 (fp.add c_currentRoundingMode .cse2 .cse1))) (and (forall ((|v_skolemized_q#valueAsBitvector_24| (_ BitVec 32))) (let ((.cse0 (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_24|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_24|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_24|)))) (or (fp.geq (fp.mul c_currentRoundingMode .cse0 .cse1) .cse2) (not (= .cse0 .cse3))))) (or (not (= (_ bv0 8) ((_ extract 7 0) (select (select |c_#memory_int#1| |c_~#BOOL_unsigned_char_Array_0~0.base|) (bvadd (_ bv1 32) |c_~#BOOL_unsigned_char_Array_0~0.offset|))))) (forall ((|v_skolemized_q#valueAsBitvector_24| (_ BitVec 32))) (not (= (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_24|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_24|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_24|)) .cse3)))))))) is different from false [2024-11-19 00:35:15,121 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-19 00:35:15,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [541039963] [2024-11-19 00:35:15,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [541039963] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 00:35:15,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [191184932] [2024-11-19 00:35:15,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 00:35:15,122 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-19 00:35:15,123 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-19 00:35:15,125 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-19 00:35:15,125 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-19 00:35:16,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 00:35:16,424 INFO L255 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-19 00:35:16,430 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 00:35:16,721 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 4 [2024-11-19 00:35:47,709 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1