./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_1131b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8be7027f 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/float-newlib/double_req_bl_1131b.c -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 d3f5e2f61d9aede081f1a1ed7366ef26236506b858e1509a8a1bfedbe9950eac --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-11 18:12:19,448 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-11 18:12:19,542 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-11 18:12:19,547 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-11 18:12:19,549 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-11 18:12:19,581 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-11 18:12:19,581 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-11 18:12:19,582 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-11 18:12:19,583 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-11 18:12:19,584 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-11 18:12:19,585 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-11 18:12:19,585 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-11 18:12:19,586 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-11 18:12:19,586 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-11 18:12:19,590 INFO L153 SettingsManager]: * Use SBE=true [2024-11-11 18:12:19,591 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-11 18:12:19,591 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-11 18:12:19,591 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-11 18:12:19,592 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-11 18:12:19,592 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-11 18:12:19,592 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-11 18:12:19,593 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-11 18:12:19,593 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-11 18:12:19,593 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-11 18:12:19,594 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-11 18:12:19,594 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-11 18:12:19,594 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-11 18:12:19,594 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-11 18:12:19,594 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-11 18:12:19,595 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-11 18:12:19,595 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-11 18:12:19,595 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-11 18:12:19,595 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-11 18:12:19,595 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-11 18:12:19,596 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-11 18:12:19,596 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-11 18:12:19,599 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-11 18:12:19,599 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-11 18:12:19,599 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-11 18:12:19,600 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-11 18:12:19,600 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-11 18:12:19,600 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-11 18:12:19,600 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d3f5e2f61d9aede081f1a1ed7366ef26236506b858e1509a8a1bfedbe9950eac [2024-11-11 18:12:19,853 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-11 18:12:19,886 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-11 18:12:19,890 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-11 18:12:19,892 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-11 18:12:19,893 INFO L274 PluginConnector]: CDTParser initialized [2024-11-11 18:12:19,895 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_1131b.c [2024-11-11 18:12:21,423 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-11 18:12:21,611 INFO L384 CDTParser]: Found 1 translation units. [2024-11-11 18:12:21,612 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1131b.c [2024-11-11 18:12:21,622 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2cae16008/be432094e652488da29efcad357cff6e/FLAGb6acbc9cb [2024-11-11 18:12:21,998 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2cae16008/be432094e652488da29efcad357cff6e [2024-11-11 18:12:22,001 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-11 18:12:22,003 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-11 18:12:22,004 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-11 18:12:22,005 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-11 18:12:22,011 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-11 18:12:22,012 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 06:12:21" (1/1) ... [2024-11-11 18:12:22,013 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30d52f4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:12:22, skipping insertion in model container [2024-11-11 18:12:22,014 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 06:12:21" (1/1) ... [2024-11-11 18:12:22,050 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-11 18:12:22,335 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/float-newlib/double_req_bl_1131b.c[4119,4132] [2024-11-11 18:12:22,340 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-11 18:12:22,352 INFO L200 MainTranslator]: Completed pre-run [2024-11-11 18:12:22,418 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/float-newlib/double_req_bl_1131b.c[4119,4132] [2024-11-11 18:12:22,419 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-11 18:12:22,445 INFO L204 MainTranslator]: Completed translation [2024-11-11 18:12:22,446 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:12:22 WrapperNode [2024-11-11 18:12:22,446 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-11 18:12:22,447 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-11 18:12:22,447 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-11 18:12:22,448 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-11 18:12:22,455 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:12:22" (1/1) ... [2024-11-11 18:12:22,473 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:12:22" (1/1) ... [2024-11-11 18:12:22,530 INFO L138 Inliner]: procedures = 18, calls = 39, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 457 [2024-11-11 18:12:22,531 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-11 18:12:22,532 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-11 18:12:22,532 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-11 18:12:22,532 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-11 18:12:22,543 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:12:22" (1/1) ... [2024-11-11 18:12:22,544 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:12:22" (1/1) ... [2024-11-11 18:12:22,554 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:12:22" (1/1) ... [2024-11-11 18:12:22,588 INFO L175 MemorySlicer]: Split 21 memory accesses to 7 slices as follows [2, 3, 3, 5, 3, 3, 2]. 24 percent of accesses are in the largest equivalence class. The 4 initializations are split as follows [2, 0, 0, 2, 0, 0, 0]. The 7 writes are split as follows [0, 1, 1, 0, 2, 2, 1]. [2024-11-11 18:12:22,588 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:12:22" (1/1) ... [2024-11-11 18:12:22,588 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:12:22" (1/1) ... [2024-11-11 18:12:22,610 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:12:22" (1/1) ... [2024-11-11 18:12:22,625 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:12:22" (1/1) ... [2024-11-11 18:12:22,629 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:12:22" (1/1) ... [2024-11-11 18:12:22,632 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:12:22" (1/1) ... [2024-11-11 18:12:22,637 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-11 18:12:22,638 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-11 18:12:22,638 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-11 18:12:22,638 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-11 18:12:22,639 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:12:22" (1/1) ... [2024-11-11 18:12:22,646 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-11 18:12:22,657 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-11 18:12:22,676 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) [2024-11-11 18:12:22,681 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 [2024-11-11 18:12:22,732 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-11 18:12:22,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-11 18:12:22,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-11 18:12:22,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-11 18:12:22,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-11 18:12:22,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-11 18:12:22,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-11 18:12:22,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-11 18:12:22,735 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-11 18:12:22,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-11 18:12:22,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-11 18:12:22,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-11 18:12:22,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-11 18:12:22,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-11 18:12:22,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-11 18:12:22,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-11 18:12:22,736 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-11-11 18:12:22,736 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-11-11 18:12:22,737 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-11-11 18:12:22,737 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-11-11 18:12:22,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-11-11 18:12:22,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2024-11-11 18:12:22,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2024-11-11 18:12:22,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-11-11 18:12:22,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-11-11 18:12:22,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-11-11 18:12:22,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-11-11 18:12:22,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-11-11 18:12:22,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2024-11-11 18:12:22,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2024-11-11 18:12:22,739 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-11 18:12:22,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-11 18:12:22,740 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-11 18:12:22,741 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-11 18:12:22,741 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-11 18:12:22,741 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-11 18:12:22,741 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-11 18:12:22,741 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-11 18:12:22,741 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-11 18:12:22,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2024-11-11 18:12:22,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2024-11-11 18:12:22,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2024-11-11 18:12:22,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2024-11-11 18:12:22,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2024-11-11 18:12:22,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2024-11-11 18:12:22,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#6 [2024-11-11 18:12:22,742 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-11 18:12:22,904 INFO L238 CfgBuilder]: Building ICFG [2024-11-11 18:12:22,906 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-11 18:12:23,558 INFO L? ?]: Removed 120 outVars from TransFormulas that were not future-live. [2024-11-11 18:12:23,558 INFO L287 CfgBuilder]: Performing block encoding [2024-11-11 18:12:23,582 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-11 18:12:23,583 INFO L316 CfgBuilder]: Removed 16 assume(true) statements. [2024-11-11 18:12:23,584 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 06:12:23 BoogieIcfgContainer [2024-11-11 18:12:23,584 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-11 18:12:23,586 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-11 18:12:23,586 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-11 18:12:23,590 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-11 18:12:23,590 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.11 06:12:21" (1/3) ... [2024-11-11 18:12:23,591 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53356631 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.11 06:12:23, skipping insertion in model container [2024-11-11 18:12:23,591 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:12:22" (2/3) ... [2024-11-11 18:12:23,592 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53356631 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.11 06:12:23, skipping insertion in model container [2024-11-11 18:12:23,592 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 06:12:23" (3/3) ... [2024-11-11 18:12:23,593 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1131b.c [2024-11-11 18:12:23,611 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-11 18:12:23,612 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-11 18:12:23,694 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-11 18:12:23,704 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;@15e81218, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-11 18:12:23,705 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-11 18:12:23,711 INFO L276 IsEmpty]: Start isEmpty. Operand has 153 states, 151 states have (on average 1.609271523178808) internal successors, (243), 152 states have internal predecessors, (243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 18:12:23,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-11 18:12:23,718 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 18:12:23,718 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 18:12:23,719 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 18:12:23,724 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 18:12:23,724 INFO L85 PathProgramCache]: Analyzing trace with hash 1978626829, now seen corresponding path program 1 times [2024-11-11 18:12:23,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 18:12:23,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406379563] [2024-11-11 18:12:23,736 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 18:12:23,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 18:12:23,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 18:12:23,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 18:12:23,962 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 18:12:23,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [406379563] [2024-11-11 18:12:23,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [406379563] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 18:12:23,963 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 18:12:23,963 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-11 18:12:23,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168961008] [2024-11-11 18:12:23,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 18:12:23,969 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-11 18:12:23,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 18:12:24,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-11 18:12:24,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-11 18:12:24,006 INFO L87 Difference]: Start difference. First operand has 153 states, 151 states have (on average 1.609271523178808) internal successors, (243), 152 states have internal predecessors, (243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 18:12:24,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 18:12:24,048 INFO L93 Difference]: Finished difference Result 304 states and 484 transitions. [2024-11-11 18:12:24,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-11 18:12:24,050 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2024-11-11 18:12:24,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 18:12:24,062 INFO L225 Difference]: With dead ends: 304 [2024-11-11 18:12:24,063 INFO L226 Difference]: Without dead ends: 149 [2024-11-11 18:12:24,067 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-11 18:12:24,071 INFO L435 NwaCegarLoop]: 224 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, 224 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 [2024-11-11 18:12:24,072 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 224 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-11 18:12:24,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2024-11-11 18:12:24,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 149. [2024-11-11 18:12:24,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 148 states have (on average 1.4797297297297298) internal successors, (219), 148 states have internal predecessors, (219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 18:12:24,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 219 transitions. [2024-11-11 18:12:24,113 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 219 transitions. Word has length 18 [2024-11-11 18:12:24,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 18:12:24,114 INFO L471 AbstractCegarLoop]: Abstraction has 149 states and 219 transitions. [2024-11-11 18:12:24,114 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 18:12:24,114 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 219 transitions. [2024-11-11 18:12:24,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-11 18:12:24,115 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 18:12:24,115 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 18:12:24,116 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-11 18:12:24,116 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 18:12:24,117 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 18:12:24,117 INFO L85 PathProgramCache]: Analyzing trace with hash -550396467, now seen corresponding path program 1 times [2024-11-11 18:12:24,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 18:12:24,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496463757] [2024-11-11 18:12:24,118 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 18:12:24,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 18:12:24,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-11 18:12:24,261 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-11 18:12:24,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-11 18:12:24,397 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-11 18:12:24,397 INFO L339 BasicCegarLoop]: Counterexample is feasible [2024-11-11 18:12:24,399 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-11 18:12:24,402 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-11 18:12:24,406 INFO L421 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-11 18:12:24,442 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-11 18:12:24,446 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.11 06:12:24 BoogieIcfgContainer [2024-11-11 18:12:24,446 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-11 18:12:24,447 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-11 18:12:24,447 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-11 18:12:24,447 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-11 18:12:24,449 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 06:12:23" (3/4) ... [2024-11-11 18:12:24,451 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-11 18:12:24,453 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-11 18:12:24,454 INFO L158 Benchmark]: Toolchain (without parser) took 2450.64ms. Allocated memory is still 169.9MB. Free memory was 113.1MB in the beginning and 113.0MB in the end (delta: 147.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-11 18:12:24,455 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 96.5MB. Free memory is still 51.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-11 18:12:24,455 INFO L158 Benchmark]: CACSL2BoogieTranslator took 442.18ms. Allocated memory is still 169.9MB. Free memory was 113.1MB in the beginning and 137.5MB in the end (delta: -24.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-11 18:12:24,456 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.12ms. Allocated memory is still 169.9MB. Free memory was 137.5MB in the beginning and 133.9MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-11 18:12:24,457 INFO L158 Benchmark]: Boogie Preprocessor took 105.00ms. Allocated memory is still 169.9MB. Free memory was 133.9MB in the beginning and 129.1MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-11 18:12:24,458 INFO L158 Benchmark]: RCFGBuilder took 946.03ms. Allocated memory is still 169.9MB. Free memory was 129.1MB in the beginning and 86.4MB in the end (delta: 42.7MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2024-11-11 18:12:24,461 INFO L158 Benchmark]: TraceAbstraction took 859.82ms. Allocated memory is still 169.9MB. Free memory was 85.7MB in the beginning and 113.0MB in the end (delta: -27.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-11 18:12:24,461 INFO L158 Benchmark]: Witness Printer took 6.16ms. Allocated memory is still 169.9MB. Free memory is still 113.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-11 18:12:24,463 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 96.5MB. Free memory is still 51.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 442.18ms. Allocated memory is still 169.9MB. Free memory was 113.1MB in the beginning and 137.5MB in the end (delta: -24.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.12ms. Allocated memory is still 169.9MB. Free memory was 137.5MB in the beginning and 133.9MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 105.00ms. Allocated memory is still 169.9MB. Free memory was 133.9MB in the beginning and 129.1MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 946.03ms. Allocated memory is still 169.9MB. Free memory was 129.1MB in the beginning and 86.4MB in the end (delta: 42.7MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * TraceAbstraction took 859.82ms. Allocated memory is still 169.9MB. Free memory was 85.7MB in the beginning and 113.0MB in the end (delta: -27.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.16ms. Allocated memory is still 169.9MB. Free memory is still 113.0MB. 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: 188]: 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 someBinaryDOUBLEComparisonOperation at line 187, overapproximation of someUnaryDOUBLEoperation at line 19, overapproximation of someBinaryArithmeticDOUBLEoperation at line 44. Possible FailurePath: [L17-L20] static const double one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; [L17-L20] static const double one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; [L17-L20] static const double one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; VAL [Zero_fmod={4:0}, one_fmod=1] [L179] double y = -1.0 / 0.0; [L180] double x = __VERIFIER_nondet_double(); [L182] CALL isfinite_double(x) [L163] __int32_t hx; VAL [Zero_fmod={4:0}, one_fmod=1, x=2147483669] [L165] ieee_double_shape_type gh_u; [L166] gh_u.value = (x) [L167] EXPR gh_u.parts.msw [L167] (hx) = gh_u.parts.msw [L169] return (int)((__uint32_t)((hx & 0x7fffffff) - 0x7ff00000) >> 31); VAL [Zero_fmod={4:0}, \result=1, one_fmod=1, x=2147483669] [L182] RET isfinite_double(x) [L182] COND TRUE isfinite_double(x) [L184] CALL, EXPR fmod_double(x, y) [L23] __int32_t n, hx, hy, hz, ix, iy, sx, i; [L24] __uint32_t lx, ly, lz; VAL [Zero_fmod={4:0}, one_fmod=1, x=2147483669, y=2147483668] [L27] ieee_double_shape_type ew_u; [L28] ew_u.value = (x) [L29] EXPR ew_u.parts.msw [L29] (hx) = ew_u.parts.msw [L30] EXPR ew_u.parts.lsw [L30] (lx) = ew_u.parts.lsw [L33] ieee_double_shape_type ew_u; [L34] ew_u.value = (y) [L35] EXPR ew_u.parts.msw [L35] (hy) = ew_u.parts.msw [L36] EXPR ew_u.parts.lsw [L36] (ly) = ew_u.parts.lsw [L38] sx = hx & 0x80000000 VAL [Zero_fmod={4:0}, hx=0, hy=0, lx=2147483650, ly=0, one_fmod=1, sx=0, x=2147483669, y=2147483668] [L39] hx ^= sx [L40] hy &= 0x7fffffff VAL [Zero_fmod={4:0}, hx=0, hy=0, lx=2147483650, ly=0, one_fmod=1, sx=0, x=2147483669, y=2147483668] [L42] EXPR hy | ly VAL [Zero_fmod={4:0}, hx=0, hy=0, lx=2147483650, ly=0, one_fmod=1, sx=0, x=2147483669, y=2147483668] [L42-L43] (hy | ly) == 0 || (hx >= 0x7ff00000) || ((hy | ((ly | -ly) >> 31)) > 0x7ff00000) VAL [Zero_fmod={4:0}, hx=0, hy=0, lx=2147483650, ly=0, one_fmod=1, sx=0, x=2147483669, y=2147483668] [L42-L43] COND TRUE (hy | ly) == 0 || (hx >= 0x7ff00000) || ((hy | ((ly | -ly) >> 31)) > 0x7ff00000) [L44] return (x * y) / (x * y); VAL [Zero_fmod={4:0}, hx=0, hy=0, lx=2147483650, ly=0, one_fmod=1, sx=0, x=2147483669, y=2147483668] [L184] RET, EXPR fmod_double(x, y) [L184] double res = fmod_double(x, y); [L187] COND TRUE res != x VAL [Zero_fmod={4:0}, one_fmod=1] [L188] reach_error() VAL [Zero_fmod={4:0}, one_fmod=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 153 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 224 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 224 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=153occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 39 NumberOfCodeBlocks, 39 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 17 ConstructedInterpolants, 0 QuantifiedInterpolants, 17 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-11 18:12:24,502 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /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/float-newlib/double_req_bl_1131b.c -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 d3f5e2f61d9aede081f1a1ed7366ef26236506b858e1509a8a1bfedbe9950eac --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-11 18:12:26,916 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-11 18:12:27,012 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-11 18:12:27,018 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-11 18:12:27,018 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-11 18:12:27,051 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-11 18:12:27,052 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-11 18:12:27,053 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-11 18:12:27,053 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-11 18:12:27,054 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-11 18:12:27,054 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-11 18:12:27,054 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-11 18:12:27,055 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-11 18:12:27,055 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-11 18:12:27,056 INFO L153 SettingsManager]: * Use SBE=true [2024-11-11 18:12:27,057 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-11 18:12:27,057 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-11 18:12:27,058 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-11 18:12:27,058 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-11 18:12:27,059 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-11 18:12:27,059 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-11 18:12:27,068 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-11 18:12:27,068 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-11 18:12:27,068 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-11 18:12:27,069 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-11 18:12:27,069 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-11 18:12:27,069 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-11 18:12:27,070 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-11 18:12:27,070 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-11 18:12:27,070 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-11 18:12:27,071 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-11 18:12:27,071 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-11 18:12:27,071 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-11 18:12:27,072 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-11 18:12:27,072 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-11 18:12:27,073 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-11 18:12:27,073 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-11 18:12:27,073 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-11 18:12:27,074 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-11 18:12:27,074 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-11 18:12:27,074 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-11 18:12:27,078 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-11 18:12:27,079 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-11 18:12:27,079 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-11 18:12:27,080 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d3f5e2f61d9aede081f1a1ed7366ef26236506b858e1509a8a1bfedbe9950eac [2024-11-11 18:12:27,468 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-11 18:12:27,495 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-11 18:12:27,501 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-11 18:12:27,503 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-11 18:12:27,504 INFO L274 PluginConnector]: CDTParser initialized [2024-11-11 18:12:27,505 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_1131b.c [2024-11-11 18:12:29,052 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-11 18:12:29,294 INFO L384 CDTParser]: Found 1 translation units. [2024-11-11 18:12:29,295 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1131b.c [2024-11-11 18:12:29,309 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a173e65bb/9ded07fdbfc94a8ab051b3a59ae6f696/FLAG6b96583d8 [2024-11-11 18:12:29,327 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a173e65bb/9ded07fdbfc94a8ab051b3a59ae6f696 [2024-11-11 18:12:29,330 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-11 18:12:29,332 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-11 18:12:29,335 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-11 18:12:29,335 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-11 18:12:29,341 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-11 18:12:29,342 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 06:12:29" (1/1) ... [2024-11-11 18:12:29,343 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57a35292 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:12:29, skipping insertion in model container [2024-11-11 18:12:29,344 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 06:12:29" (1/1) ... [2024-11-11 18:12:29,374 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-11 18:12:29,653 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/float-newlib/double_req_bl_1131b.c[4119,4132] [2024-11-11 18:12:29,661 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-11 18:12:29,678 INFO L200 MainTranslator]: Completed pre-run [2024-11-11 18:12:29,736 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/float-newlib/double_req_bl_1131b.c[4119,4132] [2024-11-11 18:12:29,739 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-11 18:12:29,766 INFO L204 MainTranslator]: Completed translation [2024-11-11 18:12:29,767 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:12:29 WrapperNode [2024-11-11 18:12:29,767 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-11 18:12:29,768 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-11 18:12:29,768 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-11 18:12:29,768 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-11 18:12:29,775 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:12:29" (1/1) ... [2024-11-11 18:12:29,790 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:12:29" (1/1) ... [2024-11-11 18:12:29,829 INFO L138 Inliner]: procedures = 21, calls = 39, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 243 [2024-11-11 18:12:29,830 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-11 18:12:29,831 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-11 18:12:29,831 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-11 18:12:29,831 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-11 18:12:29,842 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:12:29" (1/1) ... [2024-11-11 18:12:29,843 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:12:29" (1/1) ... [2024-11-11 18:12:29,850 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:12:29" (1/1) ... [2024-11-11 18:12:29,876 INFO L175 MemorySlicer]: Split 21 memory accesses to 7 slices as follows [2, 3, 3, 5, 2, 3, 3]. 24 percent of accesses are in the largest equivalence class. The 4 initializations are split as follows [2, 0, 0, 2, 0, 0, 0]. The 7 writes are split as follows [0, 2, 2, 0, 1, 1, 1]. [2024-11-11 18:12:29,877 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:12:29" (1/1) ... [2024-11-11 18:12:29,877 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:12:29" (1/1) ... [2024-11-11 18:12:29,902 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:12:29" (1/1) ... [2024-11-11 18:12:29,912 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:12:29" (1/1) ... [2024-11-11 18:12:29,915 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:12:29" (1/1) ... [2024-11-11 18:12:29,922 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:12:29" (1/1) ... [2024-11-11 18:12:29,927 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-11 18:12:29,928 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-11 18:12:29,929 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-11 18:12:29,930 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-11 18:12:29,931 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:12:29" (1/1) ... [2024-11-11 18:12:29,936 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-11 18:12:29,945 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-11 18:12:29,963 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) [2024-11-11 18:12:29,970 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 [2024-11-11 18:12:30,012 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-11 18:12:30,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2024-11-11 18:12:30,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2024-11-11 18:12:30,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2 [2024-11-11 18:12:30,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#3 [2024-11-11 18:12:30,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#4 [2024-11-11 18:12:30,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#5 [2024-11-11 18:12:30,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#6 [2024-11-11 18:12:30,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2024-11-11 18:12:30,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2024-11-11 18:12:30,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#2 [2024-11-11 18:12:30,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#3 [2024-11-11 18:12:30,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#4 [2024-11-11 18:12:30,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#5 [2024-11-11 18:12:30,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#6 [2024-11-11 18:12:30,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-11 18:12:30,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-11 18:12:30,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-11 18:12:30,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-11 18:12:30,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-11 18:12:30,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-11 18:12:30,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-11 18:12:30,014 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-11 18:12:30,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#0 [2024-11-11 18:12:30,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#1 [2024-11-11 18:12:30,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#2 [2024-11-11 18:12:30,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#3 [2024-11-11 18:12:30,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#4 [2024-11-11 18:12:30,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#5 [2024-11-11 18:12:30,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#6 [2024-11-11 18:12:30,015 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-11 18:12:30,015 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-11 18:12:30,015 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-11 18:12:30,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-11 18:12:30,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-11 18:12:30,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-11 18:12:30,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-11 18:12:30,016 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-11 18:12:30,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-11 18:12:30,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-11 18:12:30,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-11 18:12:30,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-11 18:12:30,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-11 18:12:30,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-11 18:12:30,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-11 18:12:30,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-11-11 18:12:30,017 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-11 18:12:30,149 INFO L238 CfgBuilder]: Building ICFG [2024-11-11 18:12:30,152 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-11 18:12:36,700 INFO L? ?]: Removed 55 outVars from TransFormulas that were not future-live. [2024-11-11 18:12:36,701 INFO L287 CfgBuilder]: Performing block encoding [2024-11-11 18:12:36,715 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-11 18:12:36,715 INFO L316 CfgBuilder]: Removed 16 assume(true) statements. [2024-11-11 18:12:36,716 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 06:12:36 BoogieIcfgContainer [2024-11-11 18:12:36,716 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-11 18:12:36,718 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-11 18:12:36,718 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-11 18:12:36,724 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-11 18:12:36,725 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.11 06:12:29" (1/3) ... [2024-11-11 18:12:36,726 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2dac4047 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.11 06:12:36, skipping insertion in model container [2024-11-11 18:12:36,726 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:12:29" (2/3) ... [2024-11-11 18:12:36,726 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2dac4047 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.11 06:12:36, skipping insertion in model container [2024-11-11 18:12:36,726 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 06:12:36" (3/3) ... [2024-11-11 18:12:36,728 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1131b.c [2024-11-11 18:12:36,745 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-11 18:12:36,745 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-11 18:12:36,830 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-11 18:12:36,839 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;@4de296e1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-11 18:12:36,840 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-11 18:12:36,846 INFO L276 IsEmpty]: Start isEmpty. Operand has 60 states, 58 states have (on average 1.793103448275862) internal successors, (104), 59 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 18:12:36,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-11 18:12:36,852 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 18:12:36,852 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 18:12:36,853 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 18:12:36,859 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 18:12:36,861 INFO L85 PathProgramCache]: Analyzing trace with hash 2036387893, now seen corresponding path program 1 times [2024-11-11 18:12:36,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-11 18:12:36,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1853899277] [2024-11-11 18:12:36,876 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 18:12:36,877 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 [2024-11-11 18:12:36,878 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-11 18:12:36,881 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) [2024-11-11 18:12:36,885 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 [2024-11-11 18:12:37,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 18:12:37,908 INFO L256 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-11 18:12:37,912 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-11 18:12:37,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 18:12:37,930 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-11 18:12:37,930 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-11 18:12:37,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1853899277] [2024-11-11 18:12:37,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1853899277] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 18:12:37,931 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 18:12:37,931 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-11 18:12:37,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376262750] [2024-11-11 18:12:37,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 18:12:37,937 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-11 18:12:37,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-11 18:12:37,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-11 18:12:37,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-11 18:12:37,960 INFO L87 Difference]: Start difference. First operand has 60 states, 58 states have (on average 1.793103448275862) internal successors, (104), 59 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 18:12:37,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 18:12:37,977 INFO L93 Difference]: Finished difference Result 118 states and 206 transitions. [2024-11-11 18:12:37,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-11 18:12:37,980 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2024-11-11 18:12:37,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 18:12:37,989 INFO L225 Difference]: With dead ends: 118 [2024-11-11 18:12:37,989 INFO L226 Difference]: Without dead ends: 56 [2024-11-11 18:12:37,992 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-11 18:12:37,996 INFO L435 NwaCegarLoop]: 87 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, 87 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 [2024-11-11 18:12:37,997 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-11 18:12:38,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2024-11-11 18:12:38,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2024-11-11 18:12:38,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 55 states have (on average 1.490909090909091) internal successors, (82), 55 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 18:12:38,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 82 transitions. [2024-11-11 18:12:38,034 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 82 transitions. Word has length 13 [2024-11-11 18:12:38,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 18:12:38,034 INFO L471 AbstractCegarLoop]: Abstraction has 56 states and 82 transitions. [2024-11-11 18:12:38,035 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 18:12:38,035 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 82 transitions. [2024-11-11 18:12:38,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-11 18:12:38,036 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 18:12:38,036 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 18:12:38,061 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 [2024-11-11 18:12:38,237 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 [2024-11-11 18:12:38,237 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 18:12:38,238 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 18:12:38,238 INFO L85 PathProgramCache]: Analyzing trace with hash -794890891, now seen corresponding path program 1 times [2024-11-11 18:12:38,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-11 18:12:38,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [258065039] [2024-11-11 18:12:38,239 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 18:12:38,240 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 [2024-11-11 18:12:38,240 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-11 18:12:38,242 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) [2024-11-11 18:12:38,243 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 [2024-11-11 18:12:39,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 18:12:39,262 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-11 18:12:39,268 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-11 18:12:48,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 18:12:48,901 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-11 18:12:48,902 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-11 18:12:48,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [258065039] [2024-11-11 18:12:48,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [258065039] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 18:12:48,902 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 18:12:48,902 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-11 18:12:48,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788675925] [2024-11-11 18:12:48,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 18:12:48,904 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-11 18:12:48,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-11 18:12:48,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-11 18:12:48,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=72, Unknown=1, NotChecked=0, Total=90 [2024-11-11 18:12:48,906 INFO L87 Difference]: Start difference. First operand 56 states and 82 transitions. Second operand has 10 states, 10 states have (on average 1.6) internal successors, (16), 10 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 18:12:55,356 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-11 18:13:00,949 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-11 18:13:13,796 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-11 18:13:17,958 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-11 18:13:22,139 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-11 18:13:22,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 18:13:22,511 INFO L93 Difference]: Finished difference Result 60 states and 85 transitions. [2024-11-11 18:13:22,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-11 18:13:22,512 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 1.6) internal successors, (16), 10 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2024-11-11 18:13:22,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 18:13:22,513 INFO L225 Difference]: With dead ends: 60 [2024-11-11 18:13:22,513 INFO L226 Difference]: Without dead ends: 19 [2024-11-11 18:13:22,514 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 18.7s TimeCoverageRelationStatistics Valid=39, Invalid=168, Unknown=3, NotChecked=0, Total=210 [2024-11-11 18:13:22,515 INFO L435 NwaCegarLoop]: 8 mSDtfsCounter, 14 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 2 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.4s IncrementalHoareTripleChecker+Time [2024-11-11 18:13:22,518 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 53 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 79 Invalid, 5 Unknown, 0 Unchecked, 22.4s Time] [2024-11-11 18:13:22,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2024-11-11 18:13:22,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2024-11-11 18:13:22,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 18 states have (on average 1.0) internal successors, (18), 18 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 18:13:22,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 18 transitions. [2024-11-11 18:13:22,527 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 18 transitions. Word has length 16 [2024-11-11 18:13:22,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 18:13:22,527 INFO L471 AbstractCegarLoop]: Abstraction has 19 states and 18 transitions. [2024-11-11 18:13:22,527 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 1.6) internal successors, (16), 10 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 18:13:22,528 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 18 transitions. [2024-11-11 18:13:22,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-11 18:13:22,528 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 18:13:22,528 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 18:13:22,557 INFO L540 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)] Forceful destruction successful, exit code 0 [2024-11-11 18:13:22,729 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 [2024-11-11 18:13:22,729 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 18:13:22,730 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 18:13:22,730 INFO L85 PathProgramCache]: Analyzing trace with hash 467286736, now seen corresponding path program 1 times [2024-11-11 18:13:22,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-11 18:13:22,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [847173687] [2024-11-11 18:13:22,731 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 18:13:22,731 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 [2024-11-11 18:13:22,732 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-11 18:13:22,735 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) [2024-11-11 18:13:22,738 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 [2024-11-11 18:13:22,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 18:13:22,875 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-11 18:13:22,877 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-11 18:13:27,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 18:13:27,049 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-11 18:13:27,049 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-11 18:13:27,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [847173687] [2024-11-11 18:13:27,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [847173687] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 18:13:27,049 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 18:13:27,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-11 18:13:27,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517687986] [2024-11-11 18:13:27,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 18:13:27,050 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-11 18:13:27,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-11 18:13:27,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-11 18:13:27,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-11 18:13:27,052 INFO L87 Difference]: Start difference. First operand 19 states and 18 transitions. Second operand has 9 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 18:13:31,191 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-11 18:13:33,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 18:13:33,209 INFO L93 Difference]: Finished difference Result 19 states and 18 transitions. [2024-11-11 18:13:33,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-11 18:13:33,210 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2024-11-11 18:13:33,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 18:13:33,210 INFO L225 Difference]: With dead ends: 19 [2024-11-11 18:13:33,210 INFO L226 Difference]: Without dead ends: 0 [2024-11-11 18:13:33,211 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-11 18:13:33,212 INFO L435 NwaCegarLoop]: 9 mSDtfsCounter, 3 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2024-11-11 18:13:33,212 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 57 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 52 Invalid, 1 Unknown, 0 Unchecked, 5.6s Time] [2024-11-11 18:13:33,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-11 18:13:33,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-11 18:13:33,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 18:13:33,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-11 18:13:33,214 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2024-11-11 18:13:33,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 18:13:33,214 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-11 18:13:33,214 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 18:13:33,214 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-11 18:13:33,215 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-11 18:13:33,217 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-11 18:13:33,223 INFO L540 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)] Forceful destruction successful, exit code 0 [2024-11-11 18:13:33,418 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /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 [2024-11-11 18:13:33,422 INFO L421 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-11 18:13:33,424 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-11 18:13:43,227 WARN L286 SmtUtils]: Spent 9.64s on a formula simplification. DAG size of input: 56 DAG size of output: 53 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-11-11 18:13:43,801 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-11 18:13:43,818 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.11 06:13:43 BoogieIcfgContainer [2024-11-11 18:13:43,818 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-11 18:13:43,822 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-11 18:13:43,822 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-11 18:13:43,822 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-11 18:13:43,823 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 06:12:36" (3/4) ... [2024-11-11 18:13:43,826 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-11 18:13:43,839 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-11-11 18:13:43,840 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2024-11-11 18:13:43,840 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-11 18:13:43,841 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-11 18:13:43,954 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-11 18:13:43,955 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-11 18:13:43,955 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-11 18:13:43,956 INFO L158 Benchmark]: Toolchain (without parser) took 74623.95ms. Allocated memory was 56.6MB in the beginning and 71.3MB in the end (delta: 14.7MB). Free memory was 30.0MB in the beginning and 38.5MB in the end (delta: -8.5MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. [2024-11-11 18:13:43,956 INFO L158 Benchmark]: CDTParser took 1.19ms. Allocated memory is still 56.6MB. Free memory was 33.3MB in the beginning and 33.2MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-11 18:13:43,956 INFO L158 Benchmark]: CACSL2BoogieTranslator took 433.27ms. Allocated memory was 56.6MB in the beginning and 71.3MB in the end (delta: 14.7MB). Free memory was 29.9MB in the beginning and 43.7MB in the end (delta: -13.9MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. [2024-11-11 18:13:43,957 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.18ms. Allocated memory is still 71.3MB. Free memory was 43.7MB in the beginning and 41.4MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-11 18:13:43,957 INFO L158 Benchmark]: Boogie Preprocessor took 96.75ms. Allocated memory is still 71.3MB. Free memory was 41.4MB in the beginning and 37.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-11 18:13:43,957 INFO L158 Benchmark]: RCFGBuilder took 6787.81ms. Allocated memory is still 71.3MB. Free memory was 37.2MB in the beginning and 29.6MB in the end (delta: 7.5MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. [2024-11-11 18:13:43,957 INFO L158 Benchmark]: TraceAbstraction took 67100.28ms. Allocated memory is still 71.3MB. Free memory was 28.9MB in the beginning and 43.5MB in the end (delta: -14.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-11 18:13:43,958 INFO L158 Benchmark]: Witness Printer took 133.27ms. Allocated memory is still 71.3MB. Free memory was 43.5MB in the beginning and 38.5MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-11 18:13:43,959 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.19ms. Allocated memory is still 56.6MB. Free memory was 33.3MB in the beginning and 33.2MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 433.27ms. Allocated memory was 56.6MB in the beginning and 71.3MB in the end (delta: 14.7MB). Free memory was 29.9MB in the beginning and 43.7MB in the end (delta: -13.9MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.18ms. Allocated memory is still 71.3MB. Free memory was 43.7MB in the beginning and 41.4MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 96.75ms. Allocated memory is still 71.3MB. Free memory was 41.4MB in the beginning and 37.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 6787.81ms. Allocated memory is still 71.3MB. Free memory was 37.2MB in the beginning and 29.6MB in the end (delta: 7.5MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. * TraceAbstraction took 67100.28ms. Allocated memory is still 71.3MB. Free memory was 28.9MB in the beginning and 43.5MB in the end (delta: -14.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 133.27ms. Allocated memory is still 71.3MB. Free memory was 43.5MB in the beginning and 38.5MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. 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 - PositiveResult [Line: 188]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 60 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 56.6s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 39.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 6 mSolverCounterUnknown, 17 SdHoareTripleChecker+Valid, 28.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 17 mSDsluCounter, 197 SdHoareTripleChecker+Invalid, 27.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 93 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 131 IncrementalHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 104 mSDtfsCounter, 131 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 51 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 21.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=60occurred in iteration=0, InterpolantAutomatonStates: 21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 13.9s InterpolantComputationTime, 47 NumberOfCodeBlocks, 47 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 44 ConstructedInterpolants, 25 QuantifiedInterpolants, 783 SizeOfPredicates, 11 NumberOfNonLiveVariables, 221 ConjunctsInSsa, 45 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 133]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 26]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 151]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2024-11-11 18:13:44,178 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forcibly destroying the process [2024-11-11 18:13:44,224 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 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE