./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_1131b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c7c6ca5d 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/float_req_bl_1131b.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 13787d2cb5ffea0911ec7bb9f969ca72234ab27d7c89c5aec775ef624e14d583 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-08 12:42:47,675 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 12:42:47,735 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 12:42:47,740 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 12:42:47,741 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 12:42:47,772 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 12:42:47,772 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 12:42:47,772 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 12:42:47,773 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 12:42:47,774 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 12:42:47,774 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 12:42:47,774 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 12:42:47,775 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 12:42:47,775 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 12:42:47,776 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 12:42:47,777 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 12:42:47,777 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 12:42:47,777 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 12:42:47,777 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 12:42:47,777 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 12:42:47,777 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 12:42:47,780 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 12:42:47,780 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 12:42:47,780 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 12:42:47,781 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 12:42:47,781 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 12:42:47,781 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 12:42:47,781 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 12:42:47,781 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 12:42:47,781 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 12:42:47,782 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 12:42:47,782 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 12:42:47,782 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 12:42:47,782 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 12:42:47,782 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 12:42:47,782 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 12:42:47,782 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 12:42:47,783 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 12:42:47,783 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 12:42:47,783 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 12:42:47,783 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 12:42:47,784 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 12:42:47,784 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 13787d2cb5ffea0911ec7bb9f969ca72234ab27d7c89c5aec775ef624e14d583 [2024-11-08 12:42:47,983 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 12:42:48,001 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 12:42:48,003 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 12:42:48,004 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 12:42:48,005 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 12:42:48,006 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_1131b.c [2024-11-08 12:42:49,263 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 12:42:49,388 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 12:42:49,388 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1131b.c [2024-11-08 12:42:49,394 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3afb6c303/f271a402f35f41789d7be6f2c0b4e7eb/FLAG261073742 [2024-11-08 12:42:49,811 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3afb6c303/f271a402f35f41789d7be6f2c0b4e7eb [2024-11-08 12:42:49,814 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 12:42:49,815 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 12:42:49,816 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 12:42:49,817 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 12:42:49,821 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 12:42:49,822 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 12:42:49" (1/1) ... [2024-11-08 12:42:49,822 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a2716f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:42:49, skipping insertion in model container [2024-11-08 12:42:49,823 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 12:42:49" (1/1) ... [2024-11-08 12:42:49,839 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 12:42:49,996 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/float_req_bl_1131b.c[2947,2960] [2024-11-08 12:42:50,001 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 12:42:50,008 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 12:42:50,040 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/float_req_bl_1131b.c[2947,2960] [2024-11-08 12:42:50,040 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 12:42:50,055 INFO L204 MainTranslator]: Completed translation [2024-11-08 12:42:50,056 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:42:50 WrapperNode [2024-11-08 12:42:50,056 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 12:42:50,057 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 12:42:50,057 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 12:42:50,057 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 12:42:50,062 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:42:50" (1/1) ... [2024-11-08 12:42:50,069 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:42:50" (1/1) ... [2024-11-08 12:42:50,091 INFO L138 Inliner]: procedures = 18, calls = 35, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 255 [2024-11-08 12:42:50,091 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 12:42:50,092 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 12:42:50,092 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 12:42:50,092 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 12:42:50,100 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:42:50" (1/1) ... [2024-11-08 12:42:50,100 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:42:50" (1/1) ... [2024-11-08 12:42:50,110 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:42:50" (1/1) ... [2024-11-08 12:42:50,122 INFO L175 MemorySlicer]: Split 17 memory accesses to 7 slices as follows [2, 5, 2, 2, 2, 2, 2]. 29 percent of accesses are in the largest equivalence class. The 4 initializations are split as follows [2, 2, 0, 0, 0, 0, 0]. The 5 writes are split as follows [0, 0, 1, 1, 1, 1, 1]. [2024-11-08 12:42:50,122 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:42:50" (1/1) ... [2024-11-08 12:42:50,122 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:42:50" (1/1) ... [2024-11-08 12:42:50,129 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:42:50" (1/1) ... [2024-11-08 12:42:50,137 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:42:50" (1/1) ... [2024-11-08 12:42:50,138 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:42:50" (1/1) ... [2024-11-08 12:42:50,140 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:42:50" (1/1) ... [2024-11-08 12:42:50,143 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 12:42:50,144 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 12:42:50,144 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 12:42:50,144 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 12:42:50,144 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:42:50" (1/1) ... [2024-11-08 12:42:50,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 12:42:50,160 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 12:42:50,176 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) [2024-11-08 12:42:50,178 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 [2024-11-08 12:42:50,218 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 12:42:50,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 12:42:50,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-08 12:42:50,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-08 12:42:50,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-08 12:42:50,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-08 12:42:50,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-08 12:42:50,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-08 12:42:50,220 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 12:42:50,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-08 12:42:50,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-08 12:42:50,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-08 12:42:50,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-08 12:42:50,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-08 12:42:50,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-08 12:42:50,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-08 12:42:50,222 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-11-08 12:42:50,222 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-11-08 12:42:50,222 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-11-08 12:42:50,222 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-11-08 12:42:50,222 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-11-08 12:42:50,223 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2024-11-08 12:42:50,223 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2024-11-08 12:42:50,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-11-08 12:42:50,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-11-08 12:42:50,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-11-08 12:42:50,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-11-08 12:42:50,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-11-08 12:42:50,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2024-11-08 12:42:50,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2024-11-08 12:42:50,224 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 12:42:50,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 12:42:50,224 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-08 12:42:50,224 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-08 12:42:50,224 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-08 12:42:50,225 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-08 12:42:50,225 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-08 12:42:50,225 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-08 12:42:50,225 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-08 12:42:50,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2024-11-08 12:42:50,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2024-11-08 12:42:50,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2024-11-08 12:42:50,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2024-11-08 12:42:50,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2024-11-08 12:42:50,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2024-11-08 12:42:50,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#6 [2024-11-08 12:42:50,226 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 12:42:50,327 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 12:42:50,328 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 12:42:50,595 INFO L? ?]: Removed 62 outVars from TransFormulas that were not future-live. [2024-11-08 12:42:50,596 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 12:42:50,606 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 12:42:50,606 INFO L316 CfgBuilder]: Removed 14 assume(true) statements. [2024-11-08 12:42:50,607 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 12:42:50 BoogieIcfgContainer [2024-11-08 12:42:50,607 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 12:42:50,608 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 12:42:50,608 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 12:42:50,611 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 12:42:50,611 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 12:42:49" (1/3) ... [2024-11-08 12:42:50,611 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ed3beab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 12:42:50, skipping insertion in model container [2024-11-08 12:42:50,611 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:42:50" (2/3) ... [2024-11-08 12:42:50,611 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ed3beab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 12:42:50, skipping insertion in model container [2024-11-08 12:42:50,611 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 12:42:50" (3/3) ... [2024-11-08 12:42:50,612 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1131b.c [2024-11-08 12:42:50,623 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 12:42:50,624 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 12:42:50,664 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 12:42:50,669 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;@41c7910b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 12:42:50,669 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 12:42:50,672 INFO L276 IsEmpty]: Start isEmpty. Operand has 81 states, 79 states have (on average 1.620253164556962) internal successors, (128), 80 states have internal predecessors, (128), 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) [2024-11-08 12:42:50,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-08 12:42:50,676 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 12:42:50,676 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 12:42:50,677 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 12:42:50,680 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:42:50,680 INFO L85 PathProgramCache]: Analyzing trace with hash -1730759917, now seen corresponding path program 1 times [2024-11-08 12:42:50,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:42:50,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828103906] [2024-11-08 12:42:50,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:42:50,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:42:50,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:42:50,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:42:50,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:42:50,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [828103906] [2024-11-08 12:42:50,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [828103906] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:42:50,840 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:42:50,841 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 12:42:50,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949062374] [2024-11-08 12:42:50,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:42:50,848 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 12:42:50,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:42:50,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 12:42:50,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 12:42:50,870 INFO L87 Difference]: Start difference. First operand has 81 states, 79 states have (on average 1.620253164556962) internal successors, (128), 80 states have internal predecessors, (128), 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 7.5) internal successors, (15), 2 states have internal predecessors, (15), 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) [2024-11-08 12:42:50,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 12:42:50,886 INFO L93 Difference]: Finished difference Result 160 states and 254 transitions. [2024-11-08 12:42:50,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:42:50,888 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 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 15 [2024-11-08 12:42:50,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 12:42:50,894 INFO L225 Difference]: With dead ends: 160 [2024-11-08 12:42:50,894 INFO L226 Difference]: Without dead ends: 77 [2024-11-08 12:42:50,896 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 [2024-11-08 12:42:50,898 INFO L432 NwaCegarLoop]: 111 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, 111 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 [2024-11-08 12:42:50,899 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 12:42:50,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2024-11-08 12:42:50,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2024-11-08 12:42:50,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 76 states have (on average 1.394736842105263) internal successors, (106), 76 states have internal predecessors, (106), 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) [2024-11-08 12:42:50,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 106 transitions. [2024-11-08 12:42:50,925 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 106 transitions. Word has length 15 [2024-11-08 12:42:50,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 12:42:50,925 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 106 transitions. [2024-11-08 12:42:50,925 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 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) [2024-11-08 12:42:50,926 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 106 transitions. [2024-11-08 12:42:50,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 12:42:50,926 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 12:42:50,926 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 12:42:50,926 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 12:42:50,927 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 12:42:50,927 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:42:50,927 INFO L85 PathProgramCache]: Analyzing trace with hash 419594323, now seen corresponding path program 1 times [2024-11-08 12:42:50,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:42:50,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898921409] [2024-11-08 12:42:50,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:42:50,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:42:51,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 12:42:51,023 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 12:42:51,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 12:42:51,087 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 12:42:51,087 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 12:42:51,088 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-08 12:42:51,092 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 12:42:51,094 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-08 12:42:51,117 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 12:42:51,120 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 12:42:51 BoogieIcfgContainer [2024-11-08 12:42:51,120 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 12:42:51,121 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 12:42:51,121 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 12:42:51,121 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 12:42:51,122 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 12:42:50" (3/4) ... [2024-11-08 12:42:51,124 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 12:42:51,124 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 12:42:51,126 INFO L158 Benchmark]: Toolchain (without parser) took 1310.18ms. Allocated memory is still 161.5MB. Free memory was 103.7MB in the beginning and 104.1MB in the end (delta: -382.3kB). Peak memory consumption was 1.7MB. Max. memory is 16.1GB. [2024-11-08 12:42:51,126 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 161.5MB. Free memory is still 126.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 12:42:51,126 INFO L158 Benchmark]: CACSL2BoogieTranslator took 240.10ms. Allocated memory is still 161.5MB. Free memory was 103.7MB in the beginning and 89.3MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 12:42:51,128 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.76ms. Allocated memory is still 161.5MB. Free memory was 89.0MB in the beginning and 86.6MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 12:42:51,129 INFO L158 Benchmark]: Boogie Preprocessor took 51.04ms. Allocated memory is still 161.5MB. Free memory was 86.6MB in the beginning and 83.1MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 12:42:51,129 INFO L158 Benchmark]: RCFGBuilder took 463.15ms. Allocated memory is still 161.5MB. Free memory was 83.1MB in the beginning and 55.9MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-11-08 12:42:51,129 INFO L158 Benchmark]: TraceAbstraction took 512.62ms. Allocated memory is still 161.5MB. Free memory was 55.1MB in the beginning and 104.1MB in the end (delta: -49.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 12:42:51,129 INFO L158 Benchmark]: Witness Printer took 3.51ms. Allocated memory is still 161.5MB. Free memory is still 104.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 12:42:51,131 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 161.5MB. Free memory is still 126.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 240.10ms. Allocated memory is still 161.5MB. Free memory was 103.7MB in the beginning and 89.3MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.76ms. Allocated memory is still 161.5MB. Free memory was 89.0MB in the beginning and 86.6MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.04ms. Allocated memory is still 161.5MB. Free memory was 86.6MB in the beginning and 83.1MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 463.15ms. Allocated memory is still 161.5MB. Free memory was 83.1MB in the beginning and 55.9MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * TraceAbstraction took 512.62ms. Allocated memory is still 161.5MB. Free memory was 55.1MB in the beginning and 104.1MB in the end (delta: -49.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.51ms. Allocated memory is still 161.5MB. Free memory is still 104.1MB. 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: 137]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 136, overapproximation of someUnaryDOUBLEoperation at line 16, overapproximation of someBinaryArithmeticFLOAToperation at line 37. Possible FailurePath: [L14-L17] static const float one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; [L14-L17] static const float one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; [L14-L17] static const float one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; VAL [Zero_fmod={4:0}, one_fmod=1] [L128] float x = __VERIFIER_nondet_float(); [L129] float y = -1.0f / 0.0f; [L131] CALL isfinite_float(x) [L111] __int32_t ix; VAL [Zero_fmod={4:0}, one_fmod=1, x=6442450945] [L113] ieee_float_shape_type gf_u; [L114] gf_u.value = (x) [L115] EXPR gf_u.word [L115] (ix) = gf_u.word [L117] ix &= 0x7fffffff [L118] return (((ix) < 0x7f800000L)); VAL [Zero_fmod={4:0}, \result=1, one_fmod=1, x=6442450945] [L131] RET isfinite_float(x) [L131] COND TRUE isfinite_float(x) [L133] CALL, EXPR fmod_float(x, y) [L20] __int32_t n, hx, hy, hz, ix, iy, sx, i; VAL [Zero_fmod={4:0}, one_fmod=1, x=6442450945, y=6442450946] [L23] ieee_float_shape_type gf_u; [L24] gf_u.value = (x) [L25] EXPR gf_u.word [L25] (hx) = gf_u.word [L28] ieee_float_shape_type gf_u; [L29] gf_u.value = (y) [L30] EXPR gf_u.word [L30] (hy) = gf_u.word [L32] sx = hx & 0x80000000 VAL [Zero_fmod={4:0}, hx=0, hy=2147483647, one_fmod=1, sx=0, x=6442450945, y=6442450946] [L33] hx ^= sx [L34] hy &= 0x7fffffff VAL [Zero_fmod={4:0}, hx=0, hy=2147483647, one_fmod=1, sx=0, x=6442450945, y=6442450946] [L36] COND TRUE ((hy) == 0) || !((hx) < 0x7f800000L) || ((hy) > 0x7f800000L) [L37] return (x * y) / (x * y); VAL [Zero_fmod={4:0}, one_fmod=1, sx=0, x=6442450945, y=6442450946] [L133] RET, EXPR fmod_float(x, y) [L133] float res = fmod_float(x, y); [L136] COND TRUE res != x VAL [Zero_fmod={4:0}, one_fmod=1] [L137] reach_error() VAL [Zero_fmod={4:0}, one_fmod=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 81 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 111 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 111 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=81occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 33 NumberOfCodeBlocks, 33 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 14 ConstructedInterpolants, 0 QuantifiedInterpolants, 14 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 12:42:51,158 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/float_req_bl_1131b.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 13787d2cb5ffea0911ec7bb9f969ca72234ab27d7c89c5aec775ef624e14d583 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-08 12:42:52,880 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 12:42:52,934 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-08 12:42:52,937 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 12:42:52,938 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 12:42:52,952 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 12:42:52,953 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 12:42:52,953 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 12:42:52,953 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 12:42:52,954 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 12:42:52,954 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 12:42:52,954 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 12:42:52,955 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 12:42:52,955 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 12:42:52,955 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 12:42:52,955 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 12:42:52,956 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 12:42:52,956 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 12:42:52,956 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 12:42:52,956 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 12:42:52,959 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 12:42:52,960 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 12:42:52,960 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 12:42:52,960 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 12:42:52,960 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 12:42:52,960 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 12:42:52,960 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 12:42:52,961 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 12:42:52,961 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 12:42:52,961 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 12:42:52,961 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 12:42:52,961 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 12:42:52,961 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 12:42:52,962 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 12:42:52,962 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 12:42:52,962 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 12:42:52,962 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 12:42:52,962 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 12:42:52,962 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-08 12:42:52,963 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 12:42:52,963 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 12:42:52,966 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 12:42:52,966 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 12:42:52,966 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 12:42:52,966 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 13787d2cb5ffea0911ec7bb9f969ca72234ab27d7c89c5aec775ef624e14d583 [2024-11-08 12:42:53,211 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 12:42:53,225 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 12:42:53,230 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 12:42:53,231 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 12:42:53,231 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 12:42:53,232 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_1131b.c [2024-11-08 12:42:54,447 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 12:42:54,604 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 12:42:54,604 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1131b.c [2024-11-08 12:42:54,609 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c58c9349/072575f463d44692b9b35e00a22d5e64/FLAGf2c029f78 [2024-11-08 12:42:55,012 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c58c9349/072575f463d44692b9b35e00a22d5e64 [2024-11-08 12:42:55,014 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 12:42:55,015 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 12:42:55,016 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 12:42:55,016 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 12:42:55,020 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 12:42:55,021 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 12:42:55" (1/1) ... [2024-11-08 12:42:55,022 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e87c8d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:42:55, skipping insertion in model container [2024-11-08 12:42:55,022 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 12:42:55" (1/1) ... [2024-11-08 12:42:55,038 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 12:42:55,219 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/float_req_bl_1131b.c[2947,2960] [2024-11-08 12:42:55,224 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 12:42:55,236 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 12:42:55,269 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/float_req_bl_1131b.c[2947,2960] [2024-11-08 12:42:55,269 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 12:42:55,287 INFO L204 MainTranslator]: Completed translation [2024-11-08 12:42:55,287 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:42:55 WrapperNode [2024-11-08 12:42:55,287 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 12:42:55,288 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 12:42:55,288 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 12:42:55,288 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 12:42:55,294 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:42:55" (1/1) ... [2024-11-08 12:42:55,304 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:42:55" (1/1) ... [2024-11-08 12:42:55,330 INFO L138 Inliner]: procedures = 21, calls = 35, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 189 [2024-11-08 12:42:55,331 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 12:42:55,331 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 12:42:55,332 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 12:42:55,332 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 12:42:55,340 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:42:55" (1/1) ... [2024-11-08 12:42:55,340 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:42:55" (1/1) ... [2024-11-08 12:42:55,344 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:42:55" (1/1) ... [2024-11-08 12:42:55,369 INFO L175 MemorySlicer]: Split 17 memory accesses to 7 slices as follows [2, 2, 2, 5, 2, 2, 2]. 29 percent of accesses are in the largest equivalence class. The 4 initializations are split as follows [2, 0, 0, 2, 0, 0, 0]. The 5 writes are split as follows [0, 1, 1, 0, 1, 1, 1]. [2024-11-08 12:42:55,370 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:42:55" (1/1) ... [2024-11-08 12:42:55,370 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:42:55" (1/1) ... [2024-11-08 12:42:55,385 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:42:55" (1/1) ... [2024-11-08 12:42:55,389 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:42:55" (1/1) ... [2024-11-08 12:42:55,394 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:42:55" (1/1) ... [2024-11-08 12:42:55,398 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:42:55" (1/1) ... [2024-11-08 12:42:55,405 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 12:42:55,406 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 12:42:55,406 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 12:42:55,406 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 12:42:55,407 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:42:55" (1/1) ... [2024-11-08 12:42:55,412 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 12:42:55,424 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 12:42:55,439 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) [2024-11-08 12:42:55,442 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 [2024-11-08 12:42:55,479 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 12:42:55,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2024-11-08 12:42:55,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2024-11-08 12:42:55,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2024-11-08 12:42:55,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2024-11-08 12:42:55,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2024-11-08 12:42:55,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5 [2024-11-08 12:42:55,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#6 [2024-11-08 12:42:55,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-08 12:42:55,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-08 12:42:55,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-08 12:42:55,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-08 12:42:55,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-08 12:42:55,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-08 12:42:55,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-08 12:42:55,483 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 12:42:55,483 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-11-08 12:42:55,483 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-11-08 12:42:55,483 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2024-11-08 12:42:55,484 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2024-11-08 12:42:55,484 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2024-11-08 12:42:55,484 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2024-11-08 12:42:55,484 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6 [2024-11-08 12:42:55,484 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-08 12:42:55,484 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-08 12:42:55,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-08 12:42:55,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-08 12:42:55,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-08 12:42:55,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-08 12:42:55,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-08 12:42:55,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 12:42:55,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 12:42:55,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-11-08 12:42:55,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-11-08 12:42:55,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2024-11-08 12:42:55,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2024-11-08 12:42:55,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2024-11-08 12:42:55,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2024-11-08 12:42:55,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6 [2024-11-08 12:42:55,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-08 12:42:55,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-08 12:42:55,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-08 12:42:55,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-08 12:42:55,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-08 12:42:55,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-08 12:42:55,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-11-08 12:42:55,488 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 12:42:55,602 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 12:42:55,604 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 12:42:57,381 INFO L? ?]: Removed 40 outVars from TransFormulas that were not future-live. [2024-11-08 12:42:57,381 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 12:42:57,392 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 12:42:57,392 INFO L316 CfgBuilder]: Removed 14 assume(true) statements. [2024-11-08 12:42:57,393 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 12:42:57 BoogieIcfgContainer [2024-11-08 12:42:57,393 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 12:42:57,394 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 12:42:57,394 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 12:42:57,397 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 12:42:57,398 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 12:42:55" (1/3) ... [2024-11-08 12:42:57,398 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4db8eafe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 12:42:57, skipping insertion in model container [2024-11-08 12:42:57,398 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:42:55" (2/3) ... [2024-11-08 12:42:57,399 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4db8eafe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 12:42:57, skipping insertion in model container [2024-11-08 12:42:57,399 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 12:42:57" (3/3) ... [2024-11-08 12:42:57,401 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1131b.c [2024-11-08 12:42:57,412 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 12:42:57,413 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 12:42:57,453 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 12:42:57,458 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;@2be503da, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 12:42:57,458 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 12:42:57,461 INFO L276 IsEmpty]: Start isEmpty. Operand has 47 states, 45 states have (on average 1.7333333333333334) internal successors, (78), 46 states have internal predecessors, (78), 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) [2024-11-08 12:42:57,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 12:42:57,466 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 12:42:57,466 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 12:42:57,467 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 12:42:57,470 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:42:57,470 INFO L85 PathProgramCache]: Analyzing trace with hash 2036314411, now seen corresponding path program 1 times [2024-11-08 12:42:57,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-08 12:42:57,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1037473078] [2024-11-08 12:42:57,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:42:57,479 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 [2024-11-08 12:42:57,479 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-08 12:42:57,482 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) [2024-11-08 12:42:57,483 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 [2024-11-08 12:42:57,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:42:57,697 INFO L255 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 12:42:57,700 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:42:57,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:42:57,713 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 12:42:57,713 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-08 12:42:57,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1037473078] [2024-11-08 12:42:57,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1037473078] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:42:57,716 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:42:57,716 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 12:42:57,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326899505] [2024-11-08 12:42:57,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:42:57,720 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 12:42:57,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-08 12:42:57,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 12:42:57,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 12:42:57,740 INFO L87 Difference]: Start difference. First operand has 47 states, 45 states have (on average 1.7333333333333334) internal successors, (78), 46 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 12:42:57,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 12:42:57,755 INFO L93 Difference]: Finished difference Result 92 states and 154 transitions. [2024-11-08 12:42:57,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:42:57,758 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2024-11-08 12:42:57,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 12:42:57,764 INFO L225 Difference]: With dead ends: 92 [2024-11-08 12:42:57,764 INFO L226 Difference]: Without dead ends: 43 [2024-11-08 12:42:57,766 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 12:42:57,770 INFO L432 NwaCegarLoop]: 63 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, 63 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 [2024-11-08 12:42:57,770 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 12:42:57,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2024-11-08 12:42:57,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2024-11-08 12:42:57,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 42 states have (on average 1.380952380952381) internal successors, (58), 42 states have internal predecessors, (58), 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) [2024-11-08 12:42:57,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 58 transitions. [2024-11-08 12:42:57,809 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 58 transitions. Word has length 13 [2024-11-08 12:42:57,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 12:42:57,810 INFO L471 AbstractCegarLoop]: Abstraction has 43 states and 58 transitions. [2024-11-08 12:42:57,810 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 12:42:57,811 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 58 transitions. [2024-11-08 12:42:57,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-08 12:42:57,812 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 12:42:57,812 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 12:42:57,820 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 [2024-11-08 12:42:58,013 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 [2024-11-08 12:42:58,013 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 12:42:58,014 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:42:58,014 INFO L85 PathProgramCache]: Analyzing trace with hash -794964373, now seen corresponding path program 1 times [2024-11-08 12:42:58,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-08 12:42:58,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1761301919] [2024-11-08 12:42:58,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:42:58,014 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 [2024-11-08 12:42:58,015 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-08 12:42:58,016 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) [2024-11-08 12:42:58,017 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 [2024-11-08 12:42:58,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:42:58,262 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-08 12:42:58,265 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:42:58,974 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 12:42:58,997 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 19 [2024-11-08 12:42:59,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:42:59,558 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 12:42:59,558 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-08 12:42:59,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1761301919] [2024-11-08 12:42:59,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1761301919] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:42:59,559 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:42:59,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-08 12:42:59,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119515018] [2024-11-08 12:42:59,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:42:59,560 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 12:42:59,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-08 12:42:59,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 12:42:59,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-08 12:42:59,561 INFO L87 Difference]: Start difference. First operand 43 states and 58 transitions. Second operand has 10 states, 10 states have (on average 1.6) internal successors, (16), 10 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 12:43:00,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 12:43:00,527 INFO L93 Difference]: Finished difference Result 47 states and 61 transitions. [2024-11-08 12:43:00,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-08 12:43:00,527 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 1.6) internal successors, (16), 10 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2024-11-08 12:43:00,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 12:43:00,528 INFO L225 Difference]: With dead ends: 47 [2024-11-08 12:43:00,528 INFO L226 Difference]: Without dead ends: 18 [2024-11-08 12:43:00,528 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2024-11-08 12:43:00,529 INFO L432 NwaCegarLoop]: 8 mSDtfsCounter, 13 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 12:43:00,529 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 53 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 12:43:00,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2024-11-08 12:43:00,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2024-11-08 12:43:00,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 17 states have (on average 1.0) internal successors, (17), 17 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) [2024-11-08 12:43:00,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 17 transitions. [2024-11-08 12:43:00,532 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 17 transitions. Word has length 16 [2024-11-08 12:43:00,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 12:43:00,533 INFO L471 AbstractCegarLoop]: Abstraction has 18 states and 17 transitions. [2024-11-08 12:43:00,533 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 1.6) internal successors, (16), 10 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 12:43:00,533 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 17 transitions. [2024-11-08 12:43:00,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-08 12:43:00,533 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 12:43:00,533 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 12:43:00,543 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 [2024-11-08 12:43:00,734 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 [2024-11-08 12:43:00,734 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 12:43:00,735 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:43:00,735 INFO L85 PathProgramCache]: Analyzing trace with hash 1123581797, now seen corresponding path program 1 times [2024-11-08 12:43:00,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-08 12:43:00,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [70746385] [2024-11-08 12:43:00,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:43:00,736 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 [2024-11-08 12:43:00,736 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-08 12:43:00,737 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) [2024-11-08 12:43:00,738 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-08 12:43:00,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:43:00,808 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 12:43:00,812 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:43:01,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:43:01,487 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 12:43:01,487 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-08 12:43:01,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [70746385] [2024-11-08 12:43:01,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [70746385] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:43:01,487 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:43:01,487 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 12:43:01,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258449839] [2024-11-08 12:43:01,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:43:01,488 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 12:43:01,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-08 12:43:01,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 12:43:01,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-08 12:43:01,489 INFO L87 Difference]: Start difference. First operand 18 states and 17 transitions. Second operand has 9 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 9 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) [2024-11-08 12:43:01,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 12:43:01,784 INFO L93 Difference]: Finished difference Result 18 states and 17 transitions. [2024-11-08 12:43:01,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 12:43:01,784 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 9 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 [2024-11-08 12:43:01,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 12:43:01,784 INFO L225 Difference]: With dead ends: 18 [2024-11-08 12:43:01,784 INFO L226 Difference]: Without dead ends: 0 [2024-11-08 12:43:01,785 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-08 12:43:01,785 INFO L432 NwaCegarLoop]: 8 mSDtfsCounter, 3 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 12:43:01,786 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 50 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 12:43:01,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-08 12:43:01,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-08 12:43:01,787 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) [2024-11-08 12:43:01,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-08 12:43:01,787 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 17 [2024-11-08 12:43:01,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 12:43:01,788 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-08 12:43:01,788 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 9 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) [2024-11-08 12:43:01,788 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-08 12:43:01,788 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-08 12:43:01,790 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-08 12:43:01,794 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 [2024-11-08 12:43:01,991 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 [2024-11-08 12:43:01,994 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-08 12:43:01,996 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-08 12:43:02,546 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 12:43:02,555 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 12:43:02 BoogieIcfgContainer [2024-11-08 12:43:02,556 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 12:43:02,556 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 12:43:02,556 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 12:43:02,560 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 12:43:02,560 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 12:42:57" (3/4) ... [2024-11-08 12:43:02,562 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 12:43:02,571 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-11-08 12:43:02,571 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2024-11-08 12:43:02,572 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-08 12:43:02,572 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 12:43:02,640 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-08 12:43:02,640 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-08 12:43:02,640 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 12:43:02,640 INFO L158 Benchmark]: Toolchain (without parser) took 7625.41ms. Allocated memory was 60.8MB in the beginning and 79.7MB in the end (delta: 18.9MB). Free memory was 34.4MB in the beginning and 40.3MB in the end (delta: -5.9MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. [2024-11-08 12:43:02,641 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 60.8MB. Free memory was 37.4MB in the beginning and 37.3MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 12:43:02,641 INFO L158 Benchmark]: CACSL2BoogieTranslator took 271.83ms. Allocated memory was 60.8MB in the beginning and 79.7MB in the end (delta: 18.9MB). Free memory was 34.3MB in the beginning and 53.8MB in the end (delta: -19.5MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. [2024-11-08 12:43:02,641 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.55ms. Allocated memory is still 79.7MB. Free memory was 53.8MB in the beginning and 51.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 12:43:02,641 INFO L158 Benchmark]: Boogie Preprocessor took 74.23ms. Allocated memory is still 79.7MB. Free memory was 51.7MB in the beginning and 48.3MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 12:43:02,641 INFO L158 Benchmark]: RCFGBuilder took 1986.80ms. Allocated memory is still 79.7MB. Free memory was 47.9MB in the beginning and 49.5MB in the end (delta: -1.6MB). Peak memory consumption was 17.6MB. Max. memory is 16.1GB. [2024-11-08 12:43:02,642 INFO L158 Benchmark]: TraceAbstraction took 5161.80ms. Allocated memory is still 79.7MB. Free memory was 49.1MB in the beginning and 45.6MB in the end (delta: 3.4MB). Peak memory consumption was 3.3MB. Max. memory is 16.1GB. [2024-11-08 12:43:02,642 INFO L158 Benchmark]: Witness Printer took 83.86ms. Allocated memory is still 79.7MB. Free memory was 45.1MB in the beginning and 40.3MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 12:43:02,644 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 60.8MB. Free memory was 37.4MB in the beginning and 37.3MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 271.83ms. Allocated memory was 60.8MB in the beginning and 79.7MB in the end (delta: 18.9MB). Free memory was 34.3MB in the beginning and 53.8MB in the end (delta: -19.5MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.55ms. Allocated memory is still 79.7MB. Free memory was 53.8MB in the beginning and 51.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 74.23ms. Allocated memory is still 79.7MB. Free memory was 51.7MB in the beginning and 48.3MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1986.80ms. Allocated memory is still 79.7MB. Free memory was 47.9MB in the beginning and 49.5MB in the end (delta: -1.6MB). Peak memory consumption was 17.6MB. Max. memory is 16.1GB. * TraceAbstraction took 5161.80ms. Allocated memory is still 79.7MB. Free memory was 49.1MB in the beginning and 45.6MB in the end (delta: 3.4MB). Peak memory consumption was 3.3MB. Max. memory is 16.1GB. * Witness Printer took 83.86ms. Allocated memory is still 79.7MB. Free memory was 45.1MB in the beginning and 40.3MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 137]: 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, 47 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.6s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 16 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 16 mSDsluCounter, 166 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 87 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 128 IncrementalHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 79 mSDtfsCounter, 128 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 50 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=47occurred in iteration=0, InterpolantAutomatonStates: 21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 46 NumberOfCodeBlocks, 46 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 43 ConstructedInterpolants, 22 QuantifiedInterpolants, 686 SizeOfPredicates, 11 NumberOfNonLiveVariables, 207 ConjunctsInSsa, 44 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: 67]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 49]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 90]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 27]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 43]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 112]: Loop Invariant Derived loop invariant: null RESULT: Ultimate proved your program to be correct! [2024-11-08 12:43:02,688 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 Writing output log to file Ultimate.log Result: TRUE