./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_0981.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_0981.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 58ac0589d73c462785a1e0525d17b3b74f7db66a56b5cb7df3664daf67476919 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-18 11:43:19,299 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-18 11:43:19,373 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-18 11:43:19,378 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-18 11:43:19,378 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-18 11:43:19,396 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-18 11:43:19,397 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-18 11:43:19,397 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-18 11:43:19,397 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-18 11:43:19,397 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-18 11:43:19,398 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-18 11:43:19,398 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-18 11:43:19,399 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-18 11:43:19,402 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-18 11:43:19,402 INFO L153 SettingsManager]: * Use SBE=true [2024-11-18 11:43:19,402 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-18 11:43:19,402 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-18 11:43:19,402 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-18 11:43:19,403 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-18 11:43:19,403 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-18 11:43:19,403 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-18 11:43:19,405 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-18 11:43:19,405 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-18 11:43:19,405 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-18 11:43:19,405 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-18 11:43:19,405 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-18 11:43:19,405 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-18 11:43:19,405 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-18 11:43:19,406 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-18 11:43:19,406 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-18 11:43:19,406 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-18 11:43:19,406 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-18 11:43:19,406 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 11:43:19,406 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-18 11:43:19,406 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-18 11:43:19,407 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-18 11:43:19,407 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-18 11:43:19,407 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-18 11:43:19,407 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-18 11:43:19,407 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-18 11:43:19,407 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-18 11:43:19,408 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-18 11:43:19,409 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 58ac0589d73c462785a1e0525d17b3b74f7db66a56b5cb7df3664daf67476919 [2024-11-18 11:43:19,607 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-18 11:43:19,624 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-18 11:43:19,626 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-18 11:43:19,627 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-18 11:43:19,628 INFO L274 PluginConnector]: CDTParser initialized [2024-11-18 11:43:19,628 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0981.c [2024-11-18 11:43:20,855 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-18 11:43:21,049 INFO L384 CDTParser]: Found 1 translation units. [2024-11-18 11:43:21,050 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0981.c [2024-11-18 11:43:21,059 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a66ab541/c9f77c1fdce848c7840ac93cd08f8c95/FLAG27c71e1a4 [2024-11-18 11:43:21,428 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a66ab541/c9f77c1fdce848c7840ac93cd08f8c95 [2024-11-18 11:43:21,430 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-18 11:43:21,431 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-18 11:43:21,432 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-18 11:43:21,432 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-18 11:43:21,437 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-18 11:43:21,437 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:43:21" (1/1) ... [2024-11-18 11:43:21,439 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@133cbd12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:43:21, skipping insertion in model container [2024-11-18 11:43:21,439 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:43:21" (1/1) ... [2024-11-18 11:43:21,457 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-18 11:43:21,635 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_0981.c[4783,4796] [2024-11-18 11:43:21,642 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 11:43:21,650 INFO L200 MainTranslator]: Completed pre-run [2024-11-18 11:43:21,689 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_0981.c[4783,4796] [2024-11-18 11:43:21,690 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 11:43:21,703 INFO L204 MainTranslator]: Completed translation [2024-11-18 11:43:21,704 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:43:21 WrapperNode [2024-11-18 11:43:21,704 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-18 11:43:21,705 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-18 11:43:21,705 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-18 11:43:21,705 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-18 11:43:21,710 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:43:21" (1/1) ... [2024-11-18 11:43:21,723 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:43:21" (1/1) ... [2024-11-18 11:43:21,749 INFO L138 Inliner]: procedures = 18, calls = 43, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 326 [2024-11-18 11:43:21,749 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-18 11:43:21,750 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-18 11:43:21,750 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-18 11:43:21,750 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-18 11:43:21,759 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:43:21" (1/1) ... [2024-11-18 11:43:21,759 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:43:21" (1/1) ... [2024-11-18 11:43:21,764 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:43:21" (1/1) ... [2024-11-18 11:43:21,789 INFO L175 MemorySlicer]: Split 21 memory accesses to 8 slices as follows [2, 2, 3, 3, 3, 2, 3, 3]. 14 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0, 0, 0, 0]. The 9 writes are split as follows [0, 1, 1, 2, 2, 1, 1, 1]. [2024-11-18 11:43:21,790 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:43:21" (1/1) ... [2024-11-18 11:43:21,790 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:43:21" (1/1) ... [2024-11-18 11:43:21,798 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:43:21" (1/1) ... [2024-11-18 11:43:21,801 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:43:21" (1/1) ... [2024-11-18 11:43:21,803 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:43:21" (1/1) ... [2024-11-18 11:43:21,804 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:43:21" (1/1) ... [2024-11-18 11:43:21,808 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-18 11:43:21,808 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-18 11:43:21,808 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-18 11:43:21,809 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-18 11:43:21,809 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:43:21" (1/1) ... [2024-11-18 11:43:21,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 11:43:21,827 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 11:43:21,840 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) [2024-11-18 11:43:21,842 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 [2024-11-18 11:43:21,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-18 11:43:21,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-18 11:43:21,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-18 11:43:21,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-18 11:43:21,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-18 11:43:21,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-18 11:43:21,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-18 11:43:21,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-18 11:43:21,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-18 11:43:21,875 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-18 11:43:21,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-11-18 11:43:21,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-11-18 11:43:21,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-11-18 11:43:21,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-11-18 11:43:21,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-11-18 11:43:21,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2024-11-18 11:43:21,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2024-11-18 11:43:21,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2024-11-18 11:43:21,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-18 11:43:21,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-18 11:43:21,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-18 11:43:21,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-18 11:43:21,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-18 11:43:21,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-18 11:43:21,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-18 11:43:21,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-18 11:43:21,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-11-18 11:43:21,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-11-18 11:43:21,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-11-18 11:43:21,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-11-18 11:43:21,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-11-18 11:43:21,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2024-11-18 11:43:21,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2024-11-18 11:43:21,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#7 [2024-11-18 11:43:21,882 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-18 11:43:21,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-18 11:43:21,882 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-18 11:43:21,882 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-18 11:43:21,882 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-18 11:43:21,882 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-18 11:43:21,882 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-18 11:43:21,882 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-18 11:43:21,882 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-18 11:43:21,882 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-18 11:43:21,883 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-18 11:43:21,986 INFO L238 CfgBuilder]: Building ICFG [2024-11-18 11:43:21,988 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-18 11:43:22,303 INFO L? ?]: Removed 63 outVars from TransFormulas that were not future-live. [2024-11-18 11:43:22,304 INFO L287 CfgBuilder]: Performing block encoding [2024-11-18 11:43:22,316 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-18 11:43:22,317 INFO L316 CfgBuilder]: Removed 14 assume(true) statements. [2024-11-18 11:43:22,317 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:43:22 BoogieIcfgContainer [2024-11-18 11:43:22,317 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-18 11:43:22,319 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-18 11:43:22,320 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-18 11:43:22,322 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-18 11:43:22,322 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 11:43:21" (1/3) ... [2024-11-18 11:43:22,323 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c03a16d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:43:22, skipping insertion in model container [2024-11-18 11:43:22,323 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:43:21" (2/3) ... [2024-11-18 11:43:22,323 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c03a16d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:43:22, skipping insertion in model container [2024-11-18 11:43:22,324 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:43:22" (3/3) ... [2024-11-18 11:43:22,324 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0981.c [2024-11-18 11:43:22,337 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-18 11:43:22,337 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-18 11:43:22,383 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-18 11:43:22,388 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;@30edfd31, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-18 11:43:22,388 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-18 11:43:22,392 INFO L276 IsEmpty]: Start isEmpty. Operand has 82 states, 80 states have (on average 1.65) internal successors, (132), 81 states have internal predecessors, (132), 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) [2024-11-18 11:43:22,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-18 11:43:22,396 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 11:43:22,397 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 11:43:22,397 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 11:43:22,415 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 11:43:22,416 INFO L85 PathProgramCache]: Analyzing trace with hash 4075079, now seen corresponding path program 1 times [2024-11-18 11:43:22,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 11:43:22,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802498909] [2024-11-18 11:43:22,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 11:43:22,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 11:43:22,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 11:43:22,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 11:43:22,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 11:43:22,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1802498909] [2024-11-18 11:43:22,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1802498909] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 11:43:22,600 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 11:43:22,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-18 11:43:22,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406647252] [2024-11-18 11:43:22,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 11:43:22,605 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-18 11:43:22,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 11:43:22,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-18 11:43:22,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-18 11:43:22,626 INFO L87 Difference]: Start difference. First operand has 82 states, 80 states have (on average 1.65) internal successors, (132), 81 states have internal predecessors, (132), 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 8.5) internal successors, (17), 2 states have internal predecessors, (17), 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) [2024-11-18 11:43:22,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 11:43:22,645 INFO L93 Difference]: Finished difference Result 162 states and 262 transitions. [2024-11-18 11:43:22,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-18 11:43:22,646 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 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 17 [2024-11-18 11:43:22,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 11:43:22,652 INFO L225 Difference]: With dead ends: 162 [2024-11-18 11:43:22,652 INFO L226 Difference]: Without dead ends: 79 [2024-11-18 11:43:22,654 INFO L431 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 [2024-11-18 11:43:22,657 INFO L432 NwaCegarLoop]: 116 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, 116 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 [2024-11-18 11:43:22,658 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 11:43:22,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2024-11-18 11:43:22,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2024-11-18 11:43:22,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 78 states have (on average 1.4487179487179487) internal successors, (113), 78 states have internal predecessors, (113), 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) [2024-11-18 11:43:22,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 113 transitions. [2024-11-18 11:43:22,688 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 113 transitions. Word has length 17 [2024-11-18 11:43:22,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 11:43:22,688 INFO L471 AbstractCegarLoop]: Abstraction has 79 states and 113 transitions. [2024-11-18 11:43:22,688 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 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) [2024-11-18 11:43:22,689 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 113 transitions. [2024-11-18 11:43:22,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-18 11:43:22,689 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 11:43:22,689 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 11:43:22,689 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-18 11:43:22,690 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 11:43:22,690 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 11:43:22,690 INFO L85 PathProgramCache]: Analyzing trace with hash -1092716249, now seen corresponding path program 1 times [2024-11-18 11:43:22,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 11:43:22,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404252029] [2024-11-18 11:43:22,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 11:43:22,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 11:43:22,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 11:43:22,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 11:43:22,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 11:43:22,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404252029] [2024-11-18 11:43:22,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1404252029] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 11:43:22,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 11:43:22,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-18 11:43:22,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324742035] [2024-11-18 11:43:22,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 11:43:22,996 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-18 11:43:22,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 11:43:22,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-18 11:43:22,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-18 11:43:22,996 INFO L87 Difference]: Start difference. First operand 79 states and 113 transitions. Second operand has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 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) [2024-11-18 11:43:23,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 11:43:23,044 INFO L93 Difference]: Finished difference Result 88 states and 123 transitions. [2024-11-18 11:43:23,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-18 11:43:23,045 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 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 19 [2024-11-18 11:43:23,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 11:43:23,047 INFO L225 Difference]: With dead ends: 88 [2024-11-18 11:43:23,047 INFO L226 Difference]: Without dead ends: 83 [2024-11-18 11:43:23,049 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-18 11:43:23,050 INFO L432 NwaCegarLoop]: 109 mSDtfsCounter, 2 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 312 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 11:43:23,051 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 312 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 11:43:23,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2024-11-18 11:43:23,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 82. [2024-11-18 11:43:23,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 81 states have (on average 1.4320987654320987) internal successors, (116), 81 states have internal predecessors, (116), 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) [2024-11-18 11:43:23,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 116 transitions. [2024-11-18 11:43:23,063 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 116 transitions. Word has length 19 [2024-11-18 11:43:23,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 11:43:23,063 INFO L471 AbstractCegarLoop]: Abstraction has 82 states and 116 transitions. [2024-11-18 11:43:23,063 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 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) [2024-11-18 11:43:23,063 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 116 transitions. [2024-11-18 11:43:23,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-18 11:43:23,064 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 11:43:23,064 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 11:43:23,064 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-18 11:43:23,065 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 11:43:23,066 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 11:43:23,067 INFO L85 PathProgramCache]: Analyzing trace with hash -561547936, now seen corresponding path program 1 times [2024-11-18 11:43:23,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 11:43:23,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290209930] [2024-11-18 11:43:23,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 11:43:23,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 11:43:23,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 11:43:23,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 11:43:23,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 11:43:23,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1290209930] [2024-11-18 11:43:23,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1290209930] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 11:43:23,278 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 11:43:23,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-18 11:43:23,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683340678] [2024-11-18 11:43:23,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 11:43:23,279 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-18 11:43:23,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 11:43:23,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-18 11:43:23,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-18 11:43:23,281 INFO L87 Difference]: Start difference. First operand 82 states and 116 transitions. Second operand has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 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) [2024-11-18 11:43:23,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 11:43:23,312 INFO L93 Difference]: Finished difference Result 87 states and 120 transitions. [2024-11-18 11:43:23,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-18 11:43:23,312 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 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 20 [2024-11-18 11:43:23,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 11:43:23,313 INFO L225 Difference]: With dead ends: 87 [2024-11-18 11:43:23,313 INFO L226 Difference]: Without dead ends: 82 [2024-11-18 11:43:23,315 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-18 11:43:23,315 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 0 mSDsluCounter, 326 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 437 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 11:43:23,316 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 437 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 11:43:23,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2024-11-18 11:43:23,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 79. [2024-11-18 11:43:23,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 78 states have (on average 1.4230769230769231) internal successors, (111), 78 states have internal predecessors, (111), 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) [2024-11-18 11:43:23,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 111 transitions. [2024-11-18 11:43:23,321 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 111 transitions. Word has length 20 [2024-11-18 11:43:23,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 11:43:23,321 INFO L471 AbstractCegarLoop]: Abstraction has 79 states and 111 transitions. [2024-11-18 11:43:23,322 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 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) [2024-11-18 11:43:23,322 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 111 transitions. [2024-11-18 11:43:23,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-18 11:43:23,322 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 11:43:23,322 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 11:43:23,323 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-18 11:43:23,323 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 11:43:23,323 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 11:43:23,323 INFO L85 PathProgramCache]: Analyzing trace with hash -443012182, now seen corresponding path program 1 times [2024-11-18 11:43:23,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 11:43:23,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [435623063] [2024-11-18 11:43:23,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 11:43:23,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 11:43:23,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-18 11:43:23,364 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-18 11:43:23,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-18 11:43:23,424 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-18 11:43:23,424 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-18 11:43:23,425 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-18 11:43:23,426 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-18 11:43:23,428 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-18 11:43:23,456 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-18 11:43:23,458 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 11:43:23 BoogieIcfgContainer [2024-11-18 11:43:23,458 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-18 11:43:23,459 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-18 11:43:23,459 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-18 11:43:23,459 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-18 11:43:23,459 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:43:22" (3/4) ... [2024-11-18 11:43:23,461 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-18 11:43:23,462 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-18 11:43:23,462 INFO L158 Benchmark]: Toolchain (without parser) took 2031.25ms. Allocated memory is still 184.5MB. Free memory was 154.7MB in the beginning and 112.3MB in the end (delta: 42.4MB). Peak memory consumption was 40.3MB. Max. memory is 16.1GB. [2024-11-18 11:43:23,463 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 121.6MB. Free memory was 84.0MB in the beginning and 83.9MB in the end (delta: 120.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-18 11:43:23,463 INFO L158 Benchmark]: CACSL2BoogieTranslator took 272.44ms. Allocated memory is still 184.5MB. Free memory was 153.9MB in the beginning and 138.5MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-18 11:43:23,463 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.84ms. Allocated memory is still 184.5MB. Free memory was 138.5MB in the beginning and 135.1MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-18 11:43:23,464 INFO L158 Benchmark]: Boogie Preprocessor took 57.62ms. Allocated memory is still 184.5MB. Free memory was 135.1MB in the beginning and 130.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-18 11:43:23,464 INFO L158 Benchmark]: RCFGBuilder took 509.00ms. Allocated memory is still 184.5MB. Free memory was 130.9MB in the beginning and 100.7MB in the end (delta: 30.1MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-11-18 11:43:23,464 INFO L158 Benchmark]: TraceAbstraction took 1138.84ms. Allocated memory is still 184.5MB. Free memory was 100.2MB in the beginning and 113.4MB in the end (delta: -13.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-18 11:43:23,464 INFO L158 Benchmark]: Witness Printer took 3.16ms. Allocated memory is still 184.5MB. Free memory was 113.4MB in the beginning and 112.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-18 11:43:23,466 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 121.6MB. Free memory was 84.0MB in the beginning and 83.9MB in the end (delta: 120.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 272.44ms. Allocated memory is still 184.5MB. Free memory was 153.9MB in the beginning and 138.5MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.84ms. Allocated memory is still 184.5MB. Free memory was 138.5MB in the beginning and 135.1MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.62ms. Allocated memory is still 184.5MB. Free memory was 135.1MB in the beginning and 130.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 509.00ms. Allocated memory is still 184.5MB. Free memory was 130.9MB in the beginning and 100.7MB in the end (delta: 30.1MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1138.84ms. Allocated memory is still 184.5MB. Free memory was 100.2MB in the beginning and 113.4MB in the end (delta: -13.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.16ms. Allocated memory is still 184.5MB. Free memory was 113.4MB in the beginning and 112.3MB in the end (delta: 1.0MB). 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 bitwiseOr at line 172, overapproximation of someBinaryArithmeticDOUBLEoperation at line 145. Possible FailurePath: [L17-L26] static const double ln2_hi_log = 6.93147180369123816490e-01, ln2_lo_log = 1.90821492927058770002e-10, two54_log = 1.80143985094819840000e+16, Lg1_log = 6.666666666666735130e-01, Lg2_log = 3.999999999940941908e-01, Lg3_log = 2.857142874366239149e-01, Lg4_log = 2.222219843214978396e-01, Lg5_log = 1.818357216161805012e-01, Lg6_log = 1.531383769920937332e-01, Lg7_log = 1.479819860511658591e-01; [L28] static const double zero = 0.0; [L111-L114] static const double two54_log10 = 1.80143985094819840000e+16, ivln10_log10 = 4.34294481903251816668e-01, log10_2hi_log10 = 3.01029995663611771306e-01, log10_2lo_log10 = 3.69423907715893078616e-13; [L116] static const double zero_log10 = 0.0; VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ivln10_log10=108573620475812954167/250000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log10=18014398509481984, two54_log=18014398509481984, zero=0, zero_log10=0] [L183] double x = 1.0 / 0.0; [L184] CALL, EXPR __ieee754_log10(x) [L119] double y, z; [L120] __int32_t i, k, hx; [L121] __uint32_t lx; VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ivln10_log10=108573620475812954167/250000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log10=18014398509481984, two54_log=18014398509481984, x=18014398509481999, zero=0, zero_log10=0] [L124] ieee_double_shape_type ew_u; [L125] ew_u.value = (x) [L126] EXPR ew_u.parts.msw [L126] (hx) = ew_u.parts.msw [L127] EXPR ew_u.parts.lsw [L127] (lx) = ew_u.parts.lsw [L130] k = 0 VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, hx=2146435072, ivln10_log10=108573620475812954167/250000000000000000000, k=0, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, lx=18014398509481985, two54_log10=18014398509481984, two54_log=18014398509481984, x=18014398509481999, zero=0, zero_log10=0] [L131] COND FALSE !(hx < 0x00100000) VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ivln10_log10=108573620475812954167/250000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log10=18014398509481984, two54_log=18014398509481984, zero=0, zero_log10=0] [L144] COND TRUE hx >= 0x7ff00000 [L145] return x + x; VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ivln10_log10=108573620475812954167/250000000000000000000, k=0, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, lx=18014398509481985, two54_log10=18014398509481984, two54_log=18014398509481984, x=18014398509481999, zero=0, zero_log10=0] [L184] RET, EXPR __ieee754_log10(x) [L184] double res = __ieee754_log10(x); [L187] CALL, EXPR isinf_double(res) [L162] __int32_t hx, lx; VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ivln10_log10=108573620475812954167/250000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log10=18014398509481984, two54_log=18014398509481984, x=18014398509481998, zero=0, zero_log10=0] [L164] ieee_double_shape_type ew_u; [L165] ew_u.value = (x) [L166] EXPR ew_u.parts.msw [L166] (hx) = ew_u.parts.msw [L167] EXPR ew_u.parts.lsw [L167] (lx) = ew_u.parts.lsw [L169] hx &= 0x7fffffff VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, hx=0, ivln10_log10=108573620475812954167/250000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, lx=0, two54_log10=18014398509481984, two54_log=18014398509481984, x=18014398509481998, zero=0, zero_log10=0] [L170] EXPR lx | (-lx) VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, hx=0, ivln10_log10=108573620475812954167/250000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log10=18014398509481984, two54_log=18014398509481984, x=18014398509481998, zero=0, zero_log10=0] [L170] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L171] hx = 0x7ff00000 - hx VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, hx=2146435072, ivln10_log10=108573620475812954167/250000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log10=18014398509481984, two54_log=18014398509481984, x=18014398509481998, zero=0, zero_log10=0] [L172] EXPR hx | (-hx) VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ivln10_log10=108573620475812954167/250000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log10=18014398509481984, two54_log=18014398509481984, x=18014398509481998, zero=0, zero_log10=0] [L172] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); [L187] RET, EXPR isinf_double(res) [L187] COND TRUE !isinf_double(res) [L188] reach_error() VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ivln10_log10=108573620475812954167/250000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log10=18014398509481984, two54_log=18014398509481984, zero=0, zero_log10=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 82 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 865 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 529 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 39 IncrementalHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 336 mSDtfsCounter, 39 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=82occurred in iteration=0, InterpolantAutomatonStates: 11, 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, 4 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 77 NumberOfCodeBlocks, 77 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 53 ConstructedInterpolants, 0 QuantifiedInterpolants, 77 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-18 11:43:23,487 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_0981.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 58ac0589d73c462785a1e0525d17b3b74f7db66a56b5cb7df3664daf67476919 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-18 11:43:25,215 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-18 11:43:25,277 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-18 11:43:25,282 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-18 11:43:25,282 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-18 11:43:25,302 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-18 11:43:25,303 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-18 11:43:25,304 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-18 11:43:25,304 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-18 11:43:25,305 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-18 11:43:25,305 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-18 11:43:25,306 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-18 11:43:25,306 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-18 11:43:25,306 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-18 11:43:25,306 INFO L153 SettingsManager]: * Use SBE=true [2024-11-18 11:43:25,308 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-18 11:43:25,308 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-18 11:43:25,308 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-18 11:43:25,308 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-18 11:43:25,309 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-18 11:43:25,312 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-18 11:43:25,312 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-18 11:43:25,312 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-18 11:43:25,312 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-18 11:43:25,313 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-18 11:43:25,313 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-18 11:43:25,313 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-18 11:43:25,313 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-18 11:43:25,313 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-18 11:43:25,313 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-18 11:43:25,314 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-18 11:43:25,314 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-18 11:43:25,314 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-18 11:43:25,314 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-18 11:43:25,314 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 11:43:25,314 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-18 11:43:25,314 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-18 11:43:25,314 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-18 11:43:25,315 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-18 11:43:25,315 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-18 11:43:25,315 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-18 11:43:25,315 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-18 11:43:25,315 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-18 11:43:25,315 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-18 11:43:25,315 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 58ac0589d73c462785a1e0525d17b3b74f7db66a56b5cb7df3664daf67476919 [2024-11-18 11:43:25,554 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-18 11:43:25,572 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-18 11:43:25,574 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-18 11:43:25,574 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-18 11:43:25,575 INFO L274 PluginConnector]: CDTParser initialized [2024-11-18 11:43:25,575 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0981.c [2024-11-18 11:43:26,842 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-18 11:43:26,993 INFO L384 CDTParser]: Found 1 translation units. [2024-11-18 11:43:26,994 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0981.c [2024-11-18 11:43:27,003 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/597babcd9/6d7fbbfe44a74460ac444c961f0e7a49/FLAGefc1f6508 [2024-11-18 11:43:27,017 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/597babcd9/6d7fbbfe44a74460ac444c961f0e7a49 [2024-11-18 11:43:27,020 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-18 11:43:27,021 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-18 11:43:27,023 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-18 11:43:27,023 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-18 11:43:27,028 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-18 11:43:27,029 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:43:27" (1/1) ... [2024-11-18 11:43:27,030 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ecc4491 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:43:27, skipping insertion in model container [2024-11-18 11:43:27,032 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:43:27" (1/1) ... [2024-11-18 11:43:27,055 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-18 11:43:27,256 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_0981.c[4783,4796] [2024-11-18 11:43:27,262 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 11:43:27,273 INFO L200 MainTranslator]: Completed pre-run [2024-11-18 11:43:27,318 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_0981.c[4783,4796] [2024-11-18 11:43:27,319 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 11:43:27,342 INFO L204 MainTranslator]: Completed translation [2024-11-18 11:43:27,342 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:43:27 WrapperNode [2024-11-18 11:43:27,343 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-18 11:43:27,344 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-18 11:43:27,344 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-18 11:43:27,344 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-18 11:43:27,349 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:43:27" (1/1) ... [2024-11-18 11:43:27,364 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:43:27" (1/1) ... [2024-11-18 11:43:27,389 INFO L138 Inliner]: procedures = 21, calls = 43, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 241 [2024-11-18 11:43:27,392 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-18 11:43:27,393 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-18 11:43:27,393 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-18 11:43:27,393 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-18 11:43:27,402 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:43:27" (1/1) ... [2024-11-18 11:43:27,402 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:43:27" (1/1) ... [2024-11-18 11:43:27,409 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:43:27" (1/1) ... [2024-11-18 11:43:27,423 INFO L175 MemorySlicer]: Split 21 memory accesses to 8 slices as follows [2, 3, 3, 3, 3, 3, 2, 2]. 14 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0, 0, 0, 0]. The 9 writes are split as follows [0, 1, 2, 1, 1, 2, 1, 1]. [2024-11-18 11:43:27,424 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:43:27" (1/1) ... [2024-11-18 11:43:27,424 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:43:27" (1/1) ... [2024-11-18 11:43:27,435 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:43:27" (1/1) ... [2024-11-18 11:43:27,438 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:43:27" (1/1) ... [2024-11-18 11:43:27,441 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:43:27" (1/1) ... [2024-11-18 11:43:27,442 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:43:27" (1/1) ... [2024-11-18 11:43:27,446 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-18 11:43:27,447 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-18 11:43:27,447 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-18 11:43:27,447 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-18 11:43:27,448 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:43:27" (1/1) ... [2024-11-18 11:43:27,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 11:43:27,466 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 11:43:27,477 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) [2024-11-18 11:43:27,482 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 [2024-11-18 11:43:27,510 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-18 11:43:27,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2024-11-18 11:43:27,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2024-11-18 11:43:27,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2 [2024-11-18 11:43:27,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#3 [2024-11-18 11:43:27,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#4 [2024-11-18 11:43:27,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#5 [2024-11-18 11:43:27,511 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#6 [2024-11-18 11:43:27,511 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#7 [2024-11-18 11:43:27,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2024-11-18 11:43:27,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2024-11-18 11:43:27,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#2 [2024-11-18 11:43:27,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#3 [2024-11-18 11:43:27,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#4 [2024-11-18 11:43:27,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#5 [2024-11-18 11:43:27,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#6 [2024-11-18 11:43:27,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#7 [2024-11-18 11:43:27,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-18 11:43:27,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-18 11:43:27,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-18 11:43:27,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-18 11:43:27,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-18 11:43:27,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-18 11:43:27,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-18 11:43:27,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-11-18 11:43:27,512 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-18 11:43:27,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-18 11:43:27,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-18 11:43:27,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-18 11:43:27,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-18 11:43:27,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-18 11:43:27,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-18 11:43:27,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-18 11:43:27,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-11-18 11:43:27,513 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-18 11:43:27,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-18 11:43:27,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-18 11:43:27,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-18 11:43:27,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-18 11:43:27,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-18 11:43:27,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-18 11:43:27,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-18 11:43:27,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-11-18 11:43:27,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-11-18 11:43:27,514 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-18 11:43:27,615 INFO L238 CfgBuilder]: Building ICFG [2024-11-18 11:43:27,617 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-18 11:44:24,775 INFO L? ?]: Removed 73 outVars from TransFormulas that were not future-live. [2024-11-18 11:44:24,776 INFO L287 CfgBuilder]: Performing block encoding [2024-11-18 11:44:24,789 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-18 11:44:24,789 INFO L316 CfgBuilder]: Removed 14 assume(true) statements. [2024-11-18 11:44:24,789 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:44:24 BoogieIcfgContainer [2024-11-18 11:44:24,789 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-18 11:44:24,791 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-18 11:44:24,792 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-18 11:44:24,794 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-18 11:44:24,794 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 11:43:27" (1/3) ... [2024-11-18 11:44:24,795 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c0bfbf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:44:24, skipping insertion in model container [2024-11-18 11:44:24,795 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:43:27" (2/3) ... [2024-11-18 11:44:24,795 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c0bfbf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:44:24, skipping insertion in model container [2024-11-18 11:44:24,795 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:44:24" (3/3) ... [2024-11-18 11:44:24,797 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0981.c [2024-11-18 11:44:24,809 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-18 11:44:24,810 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-18 11:44:24,860 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-18 11:44:24,866 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;@2676947a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-18 11:44:24,867 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-18 11:44:24,870 INFO L276 IsEmpty]: Start isEmpty. Operand has 45 states, 43 states have (on average 1.7209302325581395) internal successors, (74), 44 states have internal predecessors, (74), 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) [2024-11-18 11:44:24,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-18 11:44:24,875 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 11:44:24,875 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 11:44:24,876 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 11:44:24,880 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 11:44:24,880 INFO L85 PathProgramCache]: Analyzing trace with hash -306140874, now seen corresponding path program 1 times [2024-11-18 11:44:24,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-18 11:44:24,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [417727240] [2024-11-18 11:44:24,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 11:44:24,890 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 [2024-11-18 11:44:24,890 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-18 11:44:24,893 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) [2024-11-18 11:44:24,895 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 [2024-11-18 11:44:25,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 11:44:25,555 INFO L255 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-18 11:44:25,558 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 11:44:25,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 11:44:25,576 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-18 11:44:25,577 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-18 11:44:25,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [417727240] [2024-11-18 11:44:25,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [417727240] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 11:44:25,578 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 11:44:25,578 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-18 11:44:25,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097035966] [2024-11-18 11:44:25,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 11:44:25,583 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-18 11:44:25,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-18 11:44:25,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-18 11:44:25,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-18 11:44:25,602 INFO L87 Difference]: Start difference. First operand has 45 states, 43 states have (on average 1.7209302325581395) internal successors, (74), 44 states have internal predecessors, (74), 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 6.0) internal successors, (12), 2 states have internal predecessors, (12), 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) [2024-11-18 11:44:25,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 11:44:25,615 INFO L93 Difference]: Finished difference Result 88 states and 146 transitions. [2024-11-18 11:44:25,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-18 11:44:25,617 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 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 12 [2024-11-18 11:44:25,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 11:44:25,623 INFO L225 Difference]: With dead ends: 88 [2024-11-18 11:44:25,623 INFO L226 Difference]: Without dead ends: 42 [2024-11-18 11:44:25,625 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-18 11:44:25,627 INFO L432 NwaCegarLoop]: 59 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, 59 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 [2024-11-18 11:44:25,627 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 11:44:25,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2024-11-18 11:44:25,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2024-11-18 11:44:25,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 41 states have (on average 1.3658536585365855) internal successors, (56), 41 states have internal predecessors, (56), 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) [2024-11-18 11:44:25,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 56 transitions. [2024-11-18 11:44:25,649 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 56 transitions. Word has length 12 [2024-11-18 11:44:25,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 11:44:25,649 INFO L471 AbstractCegarLoop]: Abstraction has 42 states and 56 transitions. [2024-11-18 11:44:25,649 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 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) [2024-11-18 11:44:25,650 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 56 transitions. [2024-11-18 11:44:25,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-18 11:44:25,650 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 11:44:25,650 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 11:44:25,668 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 [2024-11-18 11:44:25,851 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 [2024-11-18 11:44:25,851 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 11:44:25,852 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 11:44:25,852 INFO L85 PathProgramCache]: Analyzing trace with hash 1933005595, now seen corresponding path program 1 times [2024-11-18 11:44:25,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-18 11:44:25,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [850765897] [2024-11-18 11:44:25,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 11:44:25,853 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 [2024-11-18 11:44:25,853 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-18 11:44:25,854 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) [2024-11-18 11:44:25,855 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 [2024-11-18 11:44:26,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 11:44:26,516 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-18 11:44:26,518 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 11:44:27,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 11:44:27,674 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-18 11:44:27,674 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-18 11:44:27,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [850765897] [2024-11-18 11:44:27,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [850765897] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 11:44:27,674 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 11:44:27,674 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-18 11:44:27,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550482206] [2024-11-18 11:44:27,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 11:44:27,678 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-18 11:44:27,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-18 11:44:27,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-18 11:44:27,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-18 11:44:27,679 INFO L87 Difference]: Start difference. First operand 42 states and 56 transitions. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 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) [2024-11-18 11:44:28,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 11:44:28,513 INFO L93 Difference]: Finished difference Result 51 states and 65 transitions. [2024-11-18 11:44:28,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-18 11:44:28,513 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 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 14 [2024-11-18 11:44:28,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 11:44:28,514 INFO L225 Difference]: With dead ends: 51 [2024-11-18 11:44:28,514 INFO L226 Difference]: Without dead ends: 15 [2024-11-18 11:44:28,515 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-18 11:44:28,515 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 5 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-18 11:44:28,516 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 25 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-18 11:44:28,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2024-11-18 11:44:28,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2024-11-18 11:44:28,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 14 states have (on average 1.0) internal successors, (14), 14 states have internal predecessors, (14), 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) [2024-11-18 11:44:28,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 14 transitions. [2024-11-18 11:44:28,518 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 14 transitions. Word has length 14 [2024-11-18 11:44:28,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 11:44:28,518 INFO L471 AbstractCegarLoop]: Abstraction has 15 states and 14 transitions. [2024-11-18 11:44:28,518 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 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) [2024-11-18 11:44:28,518 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 14 transitions. [2024-11-18 11:44:28,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-18 11:44:28,518 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 11:44:28,518 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 11:44:28,538 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 [2024-11-18 11:44:28,719 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 [2024-11-18 11:44:28,719 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 11:44:28,719 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 11:44:28,720 INFO L85 PathProgramCache]: Analyzing trace with hash 2124356858, now seen corresponding path program 1 times [2024-11-18 11:44:28,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-18 11:44:28,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [459525510] [2024-11-18 11:44:28,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 11:44:28,721 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 [2024-11-18 11:44:28,721 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-18 11:44:28,722 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) [2024-11-18 11:44:28,723 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 [2024-11-18 11:44:28,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 11:44:28,874 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-18 11:44:28,876 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 11:44:33,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 11:44:33,473 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-18 11:44:33,473 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-18 11:44:33,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [459525510] [2024-11-18 11:44:33,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [459525510] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 11:44:33,473 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 11:44:33,473 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-18 11:44:33,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225514123] [2024-11-18 11:44:33,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 11:44:33,474 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-18 11:44:33,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-18 11:44:33,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-18 11:44:33,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-18 11:44:33,475 INFO L87 Difference]: Start difference. First operand 15 states and 14 transitions. Second operand has 9 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 8 states have internal predecessors, (14), 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) [2024-11-18 11:44:37,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 11:44:37,753 INFO L93 Difference]: Finished difference Result 15 states and 14 transitions. [2024-11-18 11:44:37,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-18 11:44:37,753 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 8 states have internal predecessors, (14), 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 14 [2024-11-18 11:44:37,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 11:44:37,753 INFO L225 Difference]: With dead ends: 15 [2024-11-18 11:44:37,753 INFO L226 Difference]: Without dead ends: 0 [2024-11-18 11:44:37,754 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2024-11-18 11:44:37,755 INFO L432 NwaCegarLoop]: 5 mSDtfsCounter, 9 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-18 11:44:37,755 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 29 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-18 11:44:37,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-18 11:44:37,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-18 11:44:37,756 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) [2024-11-18 11:44:37,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-18 11:44:37,756 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2024-11-18 11:44:37,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 11:44:37,756 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-18 11:44:37,756 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 8 states have internal predecessors, (14), 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) [2024-11-18 11:44:37,756 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-18 11:44:37,756 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-18 11:44:37,759 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-18 11:44:37,766 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 (4)] Ended with exit code 0 [2024-11-18 11:44:37,959 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 [2024-11-18 11:44:37,962 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-18 11:44:37,964 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-18 11:44:38,908 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-18 11:44:38,917 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 11:44:38 BoogieIcfgContainer [2024-11-18 11:44:38,918 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-18 11:44:38,918 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-18 11:44:38,918 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-18 11:44:38,918 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-18 11:44:38,919 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:44:24" (3/4) ... [2024-11-18 11:44:38,920 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-18 11:44:38,932 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 31 nodes and edges [2024-11-18 11:44:38,932 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-11-18 11:44:38,932 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-18 11:44:38,933 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-18 11:44:39,015 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-18 11:44:39,016 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-18 11:44:39,016 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-18 11:44:39,017 INFO L158 Benchmark]: Toolchain (without parser) took 71995.71ms. Allocated memory was 58.7MB in the beginning and 75.5MB in the end (delta: 16.8MB). Free memory was 30.4MB in the beginning and 50.4MB in the end (delta: -20.0MB). Peak memory consumption was 24.1MB. Max. memory is 16.1GB. [2024-11-18 11:44:39,017 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 58.7MB. Free memory was 35.5MB in the beginning and 35.4MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-18 11:44:39,017 INFO L158 Benchmark]: CACSL2BoogieTranslator took 319.74ms. Allocated memory was 58.7MB in the beginning and 75.5MB in the end (delta: 16.8MB). Free memory was 30.3MB in the beginning and 47.2MB in the end (delta: -16.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-18 11:44:39,017 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.68ms. Allocated memory is still 75.5MB. Free memory was 47.2MB in the beginning and 44.8MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-18 11:44:39,018 INFO L158 Benchmark]: Boogie Preprocessor took 53.40ms. Allocated memory is still 75.5MB. Free memory was 44.8MB in the beginning and 40.4MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-18 11:44:39,018 INFO L158 Benchmark]: RCFGBuilder took 57342.72ms. Allocated memory is still 75.5MB. Free memory was 40.4MB in the beginning and 37.1MB in the end (delta: 3.3MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. [2024-11-18 11:44:39,018 INFO L158 Benchmark]: TraceAbstraction took 14126.81ms. Allocated memory is still 75.5MB. Free memory was 36.5MB in the beginning and 29.2MB in the end (delta: 7.2MB). Peak memory consumption was 6.1MB. Max. memory is 16.1GB. [2024-11-18 11:44:39,018 INFO L158 Benchmark]: Witness Printer took 98.39ms. Allocated memory is still 75.5MB. Free memory was 29.2MB in the beginning and 50.4MB in the end (delta: -21.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-18 11:44:39,020 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 58.7MB. Free memory was 35.5MB in the beginning and 35.4MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 319.74ms. Allocated memory was 58.7MB in the beginning and 75.5MB in the end (delta: 16.8MB). Free memory was 30.3MB in the beginning and 47.2MB in the end (delta: -16.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.68ms. Allocated memory is still 75.5MB. Free memory was 47.2MB in the beginning and 44.8MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.40ms. Allocated memory is still 75.5MB. Free memory was 44.8MB in the beginning and 40.4MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 57342.72ms. Allocated memory is still 75.5MB. Free memory was 40.4MB in the beginning and 37.1MB in the end (delta: 3.3MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. * TraceAbstraction took 14126.81ms. Allocated memory is still 75.5MB. Free memory was 36.5MB in the beginning and 29.2MB in the end (delta: 7.2MB). Peak memory consumption was 6.1MB. Max. memory is 16.1GB. * Witness Printer took 98.39ms. Allocated memory is still 75.5MB. Free memory was 29.2MB in the beginning and 50.4MB in the end (delta: -21.2MB). Peak memory consumption was 6.3MB. 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, 45 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 13.1s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 5.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 14 SdHoareTripleChecker+Valid, 2.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 14 mSDsluCounter, 113 SdHoareTripleChecker+Invalid, 2.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 38 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 49 IncrementalHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 75 mSDtfsCounter, 49 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 43 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 6.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=45occurred in iteration=0, InterpolantAutomatonStates: 15, 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: 0.0s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 5.8s InterpolantComputationTime, 40 NumberOfCodeBlocks, 40 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 37 ConstructedInterpolants, 8 QuantifiedInterpolants, 379 SizeOfPredicates, 7 NumberOfNonLiveVariables, 194 ConjunctsInSsa, 27 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: 123]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 150]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 35]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: null RESULT: Ultimate proved your program to be correct! [2024-11-18 11:44:39,230 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 [2024-11-18 11:44:39,275 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE