./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0683b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 61a67961 Calling Ultimate with: /root/.sdkman/candidates/java/current/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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0683b.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 36a25d1cc10a3acef2d51baa3a61a9b87948e8bff166cc50fbf6e17f888f4dbf --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 00:44:36,242 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 00:44:36,321 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-14 00:44:36,330 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 00:44:36,332 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 00:44:36,375 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 00:44:36,377 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 00:44:36,377 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 00:44:36,378 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 00:44:36,378 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 00:44:36,379 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 00:44:36,379 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 00:44:36,380 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 00:44:36,380 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 00:44:36,382 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 00:44:36,383 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 00:44:36,384 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 00:44:36,384 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 00:44:36,384 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 00:44:36,384 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 00:44:36,385 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 00:44:36,389 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 00:44:36,389 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 00:44:36,389 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 00:44:36,389 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 00:44:36,390 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 00:44:36,390 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 00:44:36,390 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 00:44:36,390 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 00:44:36,390 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 00:44:36,391 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 00:44:36,391 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 00:44:36,391 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 00:44:36,391 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 00:44:36,392 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 00:44:36,392 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 00:44:36,392 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 00:44:36,394 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 00:44:36,394 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 00:44:36,394 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 00:44:36,394 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 00:44:36,395 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 00:44:36,395 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 36a25d1cc10a3acef2d51baa3a61a9b87948e8bff166cc50fbf6e17f888f4dbf [2024-10-14 00:44:36,695 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 00:44:36,726 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 00:44:36,731 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 00:44:36,732 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 00:44:36,733 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 00:44:36,735 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0683b.c [2024-10-14 00:44:38,307 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 00:44:38,535 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 00:44:38,536 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0683b.c [2024-10-14 00:44:38,545 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ff2a33ed/a6ac1d5bbb9243feac04af1ef7131585/FLAG7c7a01e8e [2024-10-14 00:44:38,890 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ff2a33ed/a6ac1d5bbb9243feac04af1ef7131585 [2024-10-14 00:44:38,892 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 00:44:38,894 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 00:44:38,896 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 00:44:38,896 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 00:44:38,902 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 00:44:38,903 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:44:38" (1/1) ... [2024-10-14 00:44:38,904 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d3961d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:38, skipping insertion in model container [2024-10-14 00:44:38,904 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:44:38" (1/1) ... [2024-10-14 00:44:38,941 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 00:44:39,186 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0683b.c[7144,7157] [2024-10-14 00:44:39,195 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 00:44:39,209 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 00:44:39,270 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0683b.c[7144,7157] [2024-10-14 00:44:39,271 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 00:44:39,294 INFO L204 MainTranslator]: Completed translation [2024-10-14 00:44:39,295 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:39 WrapperNode [2024-10-14 00:44:39,295 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 00:44:39,296 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 00:44:39,296 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 00:44:39,296 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 00:44:39,312 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:39" (1/1) ... [2024-10-14 00:44:39,329 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:39" (1/1) ... [2024-10-14 00:44:39,367 INFO L138 Inliner]: procedures = 22, calls = 103, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 413 [2024-10-14 00:44:39,367 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 00:44:39,368 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 00:44:39,368 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 00:44:39,368 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 00:44:39,380 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:39" (1/1) ... [2024-10-14 00:44:39,380 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:39" (1/1) ... [2024-10-14 00:44:39,386 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:39" (1/1) ... [2024-10-14 00:44:39,419 INFO L175 MemorySlicer]: Split 65 memory accesses to 15 slices as follows [2, 2, 3, 7, 7, 22, 2, 3, 2, 2, 3, 2, 2, 3, 3]. 34 percent of accesses are in the largest equivalence class. The 21 initializations are split as follows [2, 0, 0, 4, 4, 11, 0, 0, 0, 0, 0, 0, 0, 0, 0]. The 13 writes are split as follows [0, 1, 2, 0, 0, 0, 1, 2, 1, 1, 1, 1, 1, 1, 1]. [2024-10-14 00:44:39,420 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:39" (1/1) ... [2024-10-14 00:44:39,420 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:39" (1/1) ... [2024-10-14 00:44:39,444 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:39" (1/1) ... [2024-10-14 00:44:39,451 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:39" (1/1) ... [2024-10-14 00:44:39,456 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:39" (1/1) ... [2024-10-14 00:44:39,461 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:39" (1/1) ... [2024-10-14 00:44:39,471 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 00:44:39,473 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 00:44:39,473 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 00:44:39,473 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 00:44:39,474 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:39" (1/1) ... [2024-10-14 00:44:39,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 00:44:39,498 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 00:44:39,522 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) [2024-10-14 00:44:39,526 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 [2024-10-14 00:44:39,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 00:44:39,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 00:44:39,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-14 00:44:39,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-14 00:44:39,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-14 00:44:39,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-14 00:44:39,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-14 00:44:39,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-14 00:44:39,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-10-14 00:44:39,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-10-14 00:44:39,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-10-14 00:44:39,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-10-14 00:44:39,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-10-14 00:44:39,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-10-14 00:44:39,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-10-14 00:44:39,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-10-14 00:44:39,586 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-14 00:44:39,586 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-10-14 00:44:39,586 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-10-14 00:44:39,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-10-14 00:44:39,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-10-14 00:44:39,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-10-14 00:44:39,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2024-10-14 00:44:39,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2024-10-14 00:44:39,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2024-10-14 00:44:39,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#8 [2024-10-14 00:44:39,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#9 [2024-10-14 00:44:39,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#10 [2024-10-14 00:44:39,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#11 [2024-10-14 00:44:39,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#12 [2024-10-14 00:44:39,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#13 [2024-10-14 00:44:39,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#14 [2024-10-14 00:44:39,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-14 00:44:39,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-14 00:44:39,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-14 00:44:39,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-14 00:44:39,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-14 00:44:39,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-14 00:44:39,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-14 00:44:39,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-10-14 00:44:39,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-10-14 00:44:39,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-10-14 00:44:39,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-10-14 00:44:39,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-10-14 00:44:39,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-10-14 00:44:39,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-10-14 00:44:39,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-10-14 00:44:39,592 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2024-10-14 00:44:39,592 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2024-10-14 00:44:39,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-10-14 00:44:39,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-10-14 00:44:39,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-10-14 00:44:39,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-10-14 00:44:39,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-10-14 00:44:39,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2024-10-14 00:44:39,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2024-10-14 00:44:39,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#7 [2024-10-14 00:44:39,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#8 [2024-10-14 00:44:39,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#9 [2024-10-14 00:44:39,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#10 [2024-10-14 00:44:39,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#11 [2024-10-14 00:44:39,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#12 [2024-10-14 00:44:39,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#13 [2024-10-14 00:44:39,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#14 [2024-10-14 00:44:39,597 INFO L130 BoogieDeclarations]: Found specification of procedure atan_double [2024-10-14 00:44:39,597 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_double [2024-10-14 00:44:39,598 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 00:44:39,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 00:44:39,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-14 00:44:39,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-14 00:44:39,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-14 00:44:39,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-14 00:44:39,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-14 00:44:39,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-14 00:44:39,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-14 00:44:39,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-10-14 00:44:39,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-10-14 00:44:39,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-10-14 00:44:39,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-10-14 00:44:39,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-10-14 00:44:39,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-10-14 00:44:39,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-10-14 00:44:39,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-10-14 00:44:39,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2024-10-14 00:44:39,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2024-10-14 00:44:39,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2024-10-14 00:44:39,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2024-10-14 00:44:39,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2024-10-14 00:44:39,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2024-10-14 00:44:39,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#6 [2024-10-14 00:44:39,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#7 [2024-10-14 00:44:39,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#8 [2024-10-14 00:44:39,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#9 [2024-10-14 00:44:39,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#10 [2024-10-14 00:44:39,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#11 [2024-10-14 00:44:39,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#12 [2024-10-14 00:44:39,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#13 [2024-10-14 00:44:39,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#14 [2024-10-14 00:44:39,602 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-14 00:44:39,818 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 00:44:39,820 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 00:44:40,516 INFO L? ?]: Removed 104 outVars from TransFormulas that were not future-live. [2024-10-14 00:44:40,517 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 00:44:40,596 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 00:44:40,596 INFO L314 CfgBuilder]: Removed 22 assume(true) statements. [2024-10-14 00:44:40,597 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:44:40 BoogieIcfgContainer [2024-10-14 00:44:40,597 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 00:44:40,602 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 00:44:40,603 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 00:44:40,606 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 00:44:40,608 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 12:44:38" (1/3) ... [2024-10-14 00:44:40,608 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f6a5211 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 12:44:40, skipping insertion in model container [2024-10-14 00:44:40,609 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:39" (2/3) ... [2024-10-14 00:44:40,609 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f6a5211 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 12:44:40, skipping insertion in model container [2024-10-14 00:44:40,609 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:44:40" (3/3) ... [2024-10-14 00:44:40,611 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0683b.c [2024-10-14 00:44:40,632 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 00:44:40,632 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-14 00:44:40,720 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 00:44:40,728 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;@4608a95e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 00:44:40,730 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-14 00:44:40,738 INFO L276 IsEmpty]: Start isEmpty. Operand has 134 states, 126 states have (on average 1.6904761904761905) internal successors, (213), 127 states have internal predecessors, (213), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-14 00:44:40,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-10-14 00:44:40,749 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 00:44:40,750 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 00:44:40,751 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 00:44:40,757 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 00:44:40,759 INFO L85 PathProgramCache]: Analyzing trace with hash 511119900, now seen corresponding path program 1 times [2024-10-14 00:44:40,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 00:44:40,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886411156] [2024-10-14 00:44:40,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 00:44:40,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 00:44:40,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 00:44:41,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 00:44:41,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 00:44:41,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886411156] [2024-10-14 00:44:41,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [886411156] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 00:44:41,041 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 00:44:41,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 00:44:41,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430328926] [2024-10-14 00:44:41,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 00:44:41,049 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-14 00:44:41,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 00:44:41,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-14 00:44:41,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 00:44:41,089 INFO L87 Difference]: Start difference. First operand has 134 states, 126 states have (on average 1.6904761904761905) internal successors, (213), 127 states have internal predecessors, (213), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 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) [2024-10-14 00:44:41,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 00:44:41,182 INFO L93 Difference]: Finished difference Result 267 states and 445 transitions. [2024-10-14 00:44:41,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-14 00:44:41,187 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 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 23 [2024-10-14 00:44:41,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 00:44:41,201 INFO L225 Difference]: With dead ends: 267 [2024-10-14 00:44:41,201 INFO L226 Difference]: Without dead ends: 131 [2024-10-14 00:44:41,208 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 [2024-10-14 00:44:41,215 INFO L432 NwaCegarLoop]: 188 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 00:44:41,217 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 188 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 00:44:41,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2024-10-14 00:44:41,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2024-10-14 00:44:41,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 124 states have (on average 1.5) internal successors, (186), 124 states have internal predecessors, (186), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-14 00:44:41,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 194 transitions. [2024-10-14 00:44:41,283 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 194 transitions. Word has length 23 [2024-10-14 00:44:41,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 00:44:41,285 INFO L471 AbstractCegarLoop]: Abstraction has 131 states and 194 transitions. [2024-10-14 00:44:41,285 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 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) [2024-10-14 00:44:41,285 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 194 transitions. [2024-10-14 00:44:41,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-10-14 00:44:41,288 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 00:44:41,288 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 00:44:41,289 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 00:44:41,289 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 00:44:41,290 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 00:44:41,290 INFO L85 PathProgramCache]: Analyzing trace with hash -1148574469, now seen corresponding path program 1 times [2024-10-14 00:44:41,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 00:44:41,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004143] [2024-10-14 00:44:41,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 00:44:41,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 00:44:41,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 00:44:41,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 00:44:41,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 00:44:41,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004143] [2024-10-14 00:44:41,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2004143] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 00:44:41,524 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 00:44:41,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 00:44:41,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146374084] [2024-10-14 00:44:41,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 00:44:41,527 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 00:44:41,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 00:44:41,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 00:44:41,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 00:44:41,531 INFO L87 Difference]: Start difference. First operand 131 states and 194 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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) [2024-10-14 00:44:41,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 00:44:41,602 INFO L93 Difference]: Finished difference Result 243 states and 362 transitions. [2024-10-14 00:44:41,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 00:44:41,603 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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 26 [2024-10-14 00:44:41,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 00:44:41,607 INFO L225 Difference]: With dead ends: 243 [2024-10-14 00:44:41,608 INFO L226 Difference]: Without dead ends: 131 [2024-10-14 00:44:41,609 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 00:44:41,610 INFO L432 NwaCegarLoop]: 185 mSDtfsCounter, 0 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 367 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 00:44:41,613 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 367 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 00:44:41,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2024-10-14 00:44:41,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2024-10-14 00:44:41,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 124 states have (on average 1.4919354838709677) internal successors, (185), 124 states have internal predecessors, (185), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-14 00:44:41,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 193 transitions. [2024-10-14 00:44:41,625 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 193 transitions. Word has length 26 [2024-10-14 00:44:41,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 00:44:41,625 INFO L471 AbstractCegarLoop]: Abstraction has 131 states and 193 transitions. [2024-10-14 00:44:41,626 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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) [2024-10-14 00:44:41,626 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 193 transitions. [2024-10-14 00:44:41,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-10-14 00:44:41,627 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 00:44:41,627 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 00:44:41,628 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 00:44:41,628 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 00:44:41,629 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 00:44:41,629 INFO L85 PathProgramCache]: Analyzing trace with hash 1191493231, now seen corresponding path program 1 times [2024-10-14 00:44:41,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 00:44:41,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898556524] [2024-10-14 00:44:41,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 00:44:41,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 00:44:41,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 00:44:42,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 00:44:42,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 00:44:42,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1898556524] [2024-10-14 00:44:42,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1898556524] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 00:44:42,144 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 00:44:42,144 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 00:44:42,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52590603] [2024-10-14 00:44:42,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 00:44:42,145 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 00:44:42,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 00:44:42,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 00:44:42,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 00:44:42,148 INFO L87 Difference]: Start difference. First operand 131 states and 193 transitions. Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 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) [2024-10-14 00:44:42,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 00:44:42,254 INFO L93 Difference]: Finished difference Result 252 states and 372 transitions. [2024-10-14 00:44:42,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 00:44:42,257 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 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 29 [2024-10-14 00:44:42,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 00:44:42,258 INFO L225 Difference]: With dead ends: 252 [2024-10-14 00:44:42,261 INFO L226 Difference]: Without dead ends: 135 [2024-10-14 00:44:42,262 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 00:44:42,263 INFO L432 NwaCegarLoop]: 180 mSDtfsCounter, 2 mSDsluCounter, 349 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 529 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 00:44:42,264 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 529 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 00:44:42,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2024-10-14 00:44:42,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 134. [2024-10-14 00:44:42,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 127 states have (on average 1.4803149606299213) internal successors, (188), 127 states have internal predecessors, (188), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-14 00:44:42,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 196 transitions. [2024-10-14 00:44:42,284 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 196 transitions. Word has length 29 [2024-10-14 00:44:42,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 00:44:42,285 INFO L471 AbstractCegarLoop]: Abstraction has 134 states and 196 transitions. [2024-10-14 00:44:42,285 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 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) [2024-10-14 00:44:42,285 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 196 transitions. [2024-10-14 00:44:42,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-10-14 00:44:42,287 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 00:44:42,287 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 00:44:42,287 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 00:44:42,288 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 00:44:42,288 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 00:44:42,288 INFO L85 PathProgramCache]: Analyzing trace with hash 71967867, now seen corresponding path program 1 times [2024-10-14 00:44:42,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 00:44:42,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117078551] [2024-10-14 00:44:42,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 00:44:42,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 00:44:42,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 00:44:42,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 00:44:42,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 00:44:42,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117078551] [2024-10-14 00:44:42,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [117078551] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 00:44:42,600 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 00:44:42,601 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 00:44:42,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904353671] [2024-10-14 00:44:42,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 00:44:42,601 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 00:44:42,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 00:44:42,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 00:44:42,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 00:44:42,602 INFO L87 Difference]: Start difference. First operand 134 states and 196 transitions. Second operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 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) [2024-10-14 00:44:42,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 00:44:42,681 INFO L93 Difference]: Finished difference Result 226 states and 336 transitions. [2024-10-14 00:44:42,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 00:44:42,682 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 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 30 [2024-10-14 00:44:42,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 00:44:42,683 INFO L225 Difference]: With dead ends: 226 [2024-10-14 00:44:42,683 INFO L226 Difference]: Without dead ends: 136 [2024-10-14 00:44:42,684 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 00:44:42,685 INFO L432 NwaCegarLoop]: 182 mSDtfsCounter, 0 mSDsluCounter, 351 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 533 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 00:44:42,685 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 533 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 00:44:42,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2024-10-14 00:44:42,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2024-10-14 00:44:42,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 129 states have (on average 1.4728682170542635) internal successors, (190), 129 states have internal predecessors, (190), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-14 00:44:42,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 198 transitions. [2024-10-14 00:44:42,693 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 198 transitions. Word has length 30 [2024-10-14 00:44:42,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 00:44:42,694 INFO L471 AbstractCegarLoop]: Abstraction has 136 states and 198 transitions. [2024-10-14 00:44:42,694 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 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) [2024-10-14 00:44:42,694 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 198 transitions. [2024-10-14 00:44:42,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-10-14 00:44:42,695 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 00:44:42,695 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 00:44:42,696 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-14 00:44:42,696 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 00:44:42,696 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 00:44:42,697 INFO L85 PathProgramCache]: Analyzing trace with hash -975155041, now seen corresponding path program 1 times [2024-10-14 00:44:42,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 00:44:42,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37062029] [2024-10-14 00:44:42,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 00:44:42,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 00:44:42,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-14 00:44:42,842 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-14 00:44:42,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-14 00:44:42,973 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-14 00:44:42,974 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-14 00:44:42,975 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-14 00:44:42,977 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-14 00:44:42,984 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-10-14 00:44:43,031 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Unable to backtranslate 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, there is no C type to represent it. at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Boogie2ACSL.translateIntegerLiteral(Boogie2ACSL.java:341) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Boogie2ACSL.translateExpression(Boogie2ACSL.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Boogie2ACSL.translateExpression(Boogie2ACSL.java:89) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.translateExpressionWithContext(CACSL2BoogieBacktranslator.java:936) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.translateExpression(CACSL2BoogieBacktranslator.java:941) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.translateExpressionForProgramState(CACSL2BoogieBacktranslator.java:930) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.translateProgramStateEntry(CACSL2BoogieBacktranslator.java:613) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.translateProgramState(CACSL2BoogieBacktranslator.java:593) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.translateProgramExecution(CACSL2BoogieBacktranslator.java:267) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:236) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:245) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:245) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:245) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:223) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.BacktranslationService.translateProgramExecution(BacktranslationService.java:72) at de.uni_freiburg.informatik.ultimate.core.lib.results.UnprovableResult.(UnprovableResult.java:107) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResultReporter.reportUnproveableResult(CegarLoopResultReporter.java:178) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResultReporter.reportCounterexampleResult(CegarLoopResultReporter.java:152) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResultReporter.reportCegarLoopResult(CegarLoopResultReporter.java:107) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:323) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:268) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-10-14 00:44:43,039 INFO L158 Benchmark]: Toolchain (without parser) took 4145.54ms. Allocated memory was 176.2MB in the beginning and 228.6MB in the end (delta: 52.4MB). Free memory was 120.9MB in the beginning and 84.8MB in the end (delta: 36.1MB). Peak memory consumption was 89.2MB. Max. memory is 16.1GB. [2024-10-14 00:44:43,040 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 176.2MB. Free memory is still 140.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 00:44:43,040 INFO L158 Benchmark]: CACSL2BoogieTranslator took 399.15ms. Allocated memory is still 176.2MB. Free memory was 120.9MB in the beginning and 104.1MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-10-14 00:44:43,040 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.30ms. Allocated memory is still 176.2MB. Free memory was 104.1MB in the beginning and 100.7MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-14 00:44:43,040 INFO L158 Benchmark]: Boogie Preprocessor took 103.66ms. Allocated memory is still 176.2MB. Free memory was 100.7MB in the beginning and 94.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-14 00:44:43,041 INFO L158 Benchmark]: RCFGBuilder took 1124.40ms. Allocated memory was 176.2MB in the beginning and 228.6MB in the end (delta: 52.4MB). Free memory was 94.4MB in the beginning and 191.6MB in the end (delta: -97.2MB). Peak memory consumption was 67.4MB. Max. memory is 16.1GB. [2024-10-14 00:44:43,041 INFO L158 Benchmark]: TraceAbstraction took 2436.79ms. Allocated memory is still 228.6MB. Free memory was 191.6MB in the beginning and 84.8MB in the end (delta: 106.8MB). Peak memory consumption was 105.7MB. Max. memory is 16.1GB. [2024-10-14 00:44:43,047 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 176.2MB. Free memory is still 140.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 399.15ms. Allocated memory is still 176.2MB. Free memory was 120.9MB in the beginning and 104.1MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.30ms. Allocated memory is still 176.2MB. Free memory was 104.1MB in the beginning and 100.7MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 103.66ms. Allocated memory is still 176.2MB. Free memory was 100.7MB in the beginning and 94.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1124.40ms. Allocated memory was 176.2MB in the beginning and 228.6MB in the end (delta: 52.4MB). Free memory was 94.4MB in the beginning and 191.6MB in the end (delta: -97.2MB). Peak memory consumption was 67.4MB. Max. memory is 16.1GB. * TraceAbstraction took 2436.79ms. Allocated memory is still 228.6MB. Free memory was 191.6MB in the beginning and 84.8MB in the end (delta: 106.8MB). Peak memory consumption was 105.7MB. 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 - ExceptionOrErrorResult: UnsupportedOperationException: Unable to backtranslate 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, there is no C type to represent it. de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Unable to backtranslate 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, there is no C type to represent it.: de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Boogie2ACSL.translateIntegerLiteral(Boogie2ACSL.java:341) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-10-14 00:44:43,081 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/current/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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0683b.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 36a25d1cc10a3acef2d51baa3a61a9b87948e8bff166cc50fbf6e17f888f4dbf --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 00:44:45,618 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 00:44:45,710 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-10-14 00:44:45,715 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 00:44:45,716 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 00:44:45,739 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 00:44:45,740 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 00:44:45,741 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 00:44:45,741 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 00:44:45,742 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 00:44:45,742 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 00:44:45,742 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 00:44:45,743 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 00:44:45,743 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 00:44:45,744 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 00:44:45,744 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 00:44:45,745 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 00:44:45,748 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 00:44:45,748 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 00:44:45,749 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 00:44:45,749 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 00:44:45,750 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 00:44:45,750 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 00:44:45,750 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-14 00:44:45,750 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-14 00:44:45,751 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 00:44:45,751 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-14 00:44:45,751 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 00:44:45,751 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 00:44:45,752 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 00:44:45,752 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 00:44:45,752 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 00:44:45,752 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 00:44:45,753 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 00:44:45,753 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 00:44:45,757 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 00:44:45,757 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 00:44:45,757 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 00:44:45,758 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-14 00:44:45,758 INFO L153 SettingsManager]: * Command for external solver=cvc5 --incremental --print-success --lang smt [2024-10-14 00:44:45,758 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 00:44:45,758 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 00:44:45,759 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 00:44:45,759 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 00:44:45,759 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-14 00:44:45,759 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 36a25d1cc10a3acef2d51baa3a61a9b87948e8bff166cc50fbf6e17f888f4dbf [2024-10-14 00:44:46,149 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 00:44:46,180 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 00:44:46,184 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 00:44:46,186 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 00:44:46,186 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 00:44:46,188 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0683b.c [2024-10-14 00:44:47,708 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 00:44:47,949 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 00:44:47,954 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0683b.c [2024-10-14 00:44:47,972 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c942f9bb5/087b10880ca949469018d37e06d1e443/FLAG719431c37 [2024-10-14 00:44:47,993 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c942f9bb5/087b10880ca949469018d37e06d1e443 [2024-10-14 00:44:47,996 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 00:44:47,998 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 00:44:48,000 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 00:44:48,002 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 00:44:48,008 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 00:44:48,009 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:44:47" (1/1) ... [2024-10-14 00:44:48,010 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10f8373c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:48, skipping insertion in model container [2024-10-14 00:44:48,011 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:44:47" (1/1) ... [2024-10-14 00:44:48,050 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 00:44:48,372 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0683b.c[7144,7157] [2024-10-14 00:44:48,378 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 00:44:48,399 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 00:44:48,482 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0683b.c[7144,7157] [2024-10-14 00:44:48,482 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 00:44:48,516 INFO L204 MainTranslator]: Completed translation [2024-10-14 00:44:48,517 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:48 WrapperNode [2024-10-14 00:44:48,517 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 00:44:48,518 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 00:44:48,518 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 00:44:48,518 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 00:44:48,526 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:48" (1/1) ... [2024-10-14 00:44:48,552 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:48" (1/1) ... [2024-10-14 00:44:48,596 INFO L138 Inliner]: procedures = 25, calls = 103, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 302 [2024-10-14 00:44:48,597 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 00:44:48,601 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 00:44:48,602 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 00:44:48,602 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 00:44:48,616 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:48" (1/1) ... [2024-10-14 00:44:48,617 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:48" (1/1) ... [2024-10-14 00:44:48,629 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:48" (1/1) ... [2024-10-14 00:44:48,671 INFO L175 MemorySlicer]: Split 65 memory accesses to 15 slices as follows [2, 3, 7, 7, 3, 22, 2, 2, 2, 3, 3, 2, 2, 3, 2]. 34 percent of accesses are in the largest equivalence class. The 21 initializations are split as follows [2, 0, 4, 4, 0, 11, 0, 0, 0, 0, 0, 0, 0, 0, 0]. The 13 writes are split as follows [0, 2, 0, 0, 1, 0, 1, 1, 1, 1, 1, 1, 1, 2, 1]. [2024-10-14 00:44:48,671 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:48" (1/1) ... [2024-10-14 00:44:48,672 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:48" (1/1) ... [2024-10-14 00:44:48,720 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:48" (1/1) ... [2024-10-14 00:44:48,735 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:48" (1/1) ... [2024-10-14 00:44:48,747 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:48" (1/1) ... [2024-10-14 00:44:48,755 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:48" (1/1) ... [2024-10-14 00:44:48,765 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 00:44:48,767 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 00:44:48,767 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 00:44:48,767 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 00:44:48,772 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:48" (1/1) ... [2024-10-14 00:44:48,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 00:44:48,797 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 00:44:48,812 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) [2024-10-14 00:44:48,815 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 [2024-10-14 00:44:48,862 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 00:44:48,863 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2024-10-14 00:44:48,863 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2024-10-14 00:44:48,863 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2 [2024-10-14 00:44:48,863 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#3 [2024-10-14 00:44:48,863 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#4 [2024-10-14 00:44:48,863 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#5 [2024-10-14 00:44:48,863 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#6 [2024-10-14 00:44:48,863 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#7 [2024-10-14 00:44:48,863 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#8 [2024-10-14 00:44:48,863 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#9 [2024-10-14 00:44:48,864 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#10 [2024-10-14 00:44:48,864 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#11 [2024-10-14 00:44:48,864 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#12 [2024-10-14 00:44:48,864 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#13 [2024-10-14 00:44:48,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#14 [2024-10-14 00:44:48,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2024-10-14 00:44:48,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2024-10-14 00:44:48,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#2 [2024-10-14 00:44:48,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#3 [2024-10-14 00:44:48,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#4 [2024-10-14 00:44:48,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#5 [2024-10-14 00:44:48,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#6 [2024-10-14 00:44:48,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#7 [2024-10-14 00:44:48,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#8 [2024-10-14 00:44:48,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#9 [2024-10-14 00:44:48,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#10 [2024-10-14 00:44:48,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#11 [2024-10-14 00:44:48,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#12 [2024-10-14 00:44:48,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#13 [2024-10-14 00:44:48,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#14 [2024-10-14 00:44:48,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-14 00:44:48,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-10-14 00:44:48,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-10-14 00:44:48,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-10-14 00:44:48,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-10-14 00:44:48,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-10-14 00:44:48,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-10-14 00:44:48,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-10-14 00:44:48,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-10-14 00:44:48,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2024-10-14 00:44:48,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2024-10-14 00:44:48,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2024-10-14 00:44:48,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#12 [2024-10-14 00:44:48,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#13 [2024-10-14 00:44:48,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#14 [2024-10-14 00:44:48,869 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-14 00:44:48,869 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2024-10-14 00:44:48,869 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2024-10-14 00:44:48,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#0 [2024-10-14 00:44:48,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#1 [2024-10-14 00:44:48,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#2 [2024-10-14 00:44:48,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#3 [2024-10-14 00:44:48,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#4 [2024-10-14 00:44:48,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#5 [2024-10-14 00:44:48,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#6 [2024-10-14 00:44:48,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#7 [2024-10-14 00:44:48,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#8 [2024-10-14 00:44:48,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#9 [2024-10-14 00:44:48,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#10 [2024-10-14 00:44:48,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#11 [2024-10-14 00:44:48,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#12 [2024-10-14 00:44:48,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#13 [2024-10-14 00:44:48,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#14 [2024-10-14 00:44:48,870 INFO L130 BoogieDeclarations]: Found specification of procedure atan_double [2024-10-14 00:44:48,871 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_double [2024-10-14 00:44:48,871 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-10-14 00:44:48,871 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-10-14 00:44:48,871 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-10-14 00:44:48,871 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-10-14 00:44:48,871 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-10-14 00:44:48,871 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-10-14 00:44:48,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-10-14 00:44:48,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-10-14 00:44:48,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2024-10-14 00:44:48,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2024-10-14 00:44:48,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2024-10-14 00:44:48,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#11 [2024-10-14 00:44:48,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#12 [2024-10-14 00:44:48,873 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#13 [2024-10-14 00:44:48,873 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#14 [2024-10-14 00:44:48,873 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 00:44:48,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 00:44:48,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-10-14 00:44:48,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-10-14 00:44:48,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-10-14 00:44:48,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-10-14 00:44:48,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-10-14 00:44:48,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-10-14 00:44:48,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-10-14 00:44:48,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-10-14 00:44:48,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2024-10-14 00:44:48,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2024-10-14 00:44:48,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2024-10-14 00:44:48,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#11 [2024-10-14 00:44:48,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#12 [2024-10-14 00:44:48,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#13 [2024-10-14 00:44:48,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#14 [2024-10-14 00:44:48,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-14 00:44:49,077 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 00:44:49,080 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 00:45:26,528 INFO L? ?]: Removed 100 outVars from TransFormulas that were not future-live. [2024-10-14 00:45:26,528 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 00:45:26,590 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 00:45:26,591 INFO L314 CfgBuilder]: Removed 22 assume(true) statements. [2024-10-14 00:45:26,592 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:45:26 BoogieIcfgContainer [2024-10-14 00:45:26,592 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 00:45:26,596 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 00:45:26,596 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 00:45:26,600 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 00:45:26,600 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 12:44:47" (1/3) ... [2024-10-14 00:45:26,601 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2556b661 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 12:45:26, skipping insertion in model container [2024-10-14 00:45:26,601 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:48" (2/3) ... [2024-10-14 00:45:26,602 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2556b661 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 12:45:26, skipping insertion in model container [2024-10-14 00:45:26,602 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:45:26" (3/3) ... [2024-10-14 00:45:26,604 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0683b.c [2024-10-14 00:45:26,623 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 00:45:26,624 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-14 00:45:26,702 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 00:45:26,714 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;@673e9b4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 00:45:26,715 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-14 00:45:26,720 INFO L276 IsEmpty]: Start isEmpty. Operand has 92 states, 84 states have (on average 1.7380952380952381) internal successors, (146), 85 states have internal predecessors, (146), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-14 00:45:26,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-10-14 00:45:26,727 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 00:45:26,728 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 00:45:26,729 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 00:45:26,738 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 00:45:26,738 INFO L85 PathProgramCache]: Analyzing trace with hash 1326973982, now seen corresponding path program 1 times [2024-10-14 00:45:26,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-14 00:45:26,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1370579801] [2024-10-14 00:45:26,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 00:45:26,755 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 [2024-10-14 00:45:26,755 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-14 00:45:26,758 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) [2024-10-14 00:45:26,759 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 [2024-10-14 00:45:27,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 00:45:27,170 INFO L255 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-14 00:45:27,174 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 00:45:27,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 00:45:27,191 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 00:45:27,191 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-14 00:45:27,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1370579801] [2024-10-14 00:45:27,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1370579801] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 00:45:27,193 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 00:45:27,193 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 00:45:27,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [374860975] [2024-10-14 00:45:27,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 00:45:27,201 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-14 00:45:27,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-14 00:45:27,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-14 00:45:27,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 00:45:27,225 INFO L87 Difference]: Start difference. First operand has 92 states, 84 states have (on average 1.7380952380952381) internal successors, (146), 85 states have internal predecessors, (146), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 00:45:27,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 00:45:27,929 INFO L93 Difference]: Finished difference Result 183 states and 311 transitions. [2024-10-14 00:45:27,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-14 00:45:27,932 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2024-10-14 00:45:27,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 00:45:27,940 INFO L225 Difference]: With dead ends: 183 [2024-10-14 00:45:27,941 INFO L226 Difference]: Without dead ends: 89 [2024-10-14 00:45:27,945 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 00:45:27,948 INFO L432 NwaCegarLoop]: 121 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-14 00:45:27,950 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 121 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-14 00:45:27,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2024-10-14 00:45:27,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2024-10-14 00:45:27,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 82 states have (on average 1.451219512195122) internal successors, (119), 82 states have internal predecessors, (119), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-14 00:45:27,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 127 transitions. [2024-10-14 00:45:27,997 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 127 transitions. Word has length 14 [2024-10-14 00:45:27,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 00:45:27,999 INFO L471 AbstractCegarLoop]: Abstraction has 89 states and 127 transitions. [2024-10-14 00:45:27,999 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 00:45:27,999 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 127 transitions. [2024-10-14 00:45:27,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-10-14 00:45:28,000 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 00:45:28,000 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 00:45:28,014 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 [2024-10-14 00:45:28,204 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 [2024-10-14 00:45:28,205 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 00:45:28,206 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 00:45:28,206 INFO L85 PathProgramCache]: Analyzing trace with hash -724135017, now seen corresponding path program 1 times [2024-10-14 00:45:28,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-14 00:45:28,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1930150614] [2024-10-14 00:45:28,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 00:45:28,207 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 [2024-10-14 00:45:28,207 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-14 00:45:28,209 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) [2024-10-14 00:45:28,236 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 [2024-10-14 00:45:28,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 00:45:28,635 INFO L255 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-14 00:45:28,637 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 00:45:28,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 00:45:28,978 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 00:45:28,978 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-14 00:45:28,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1930150614] [2024-10-14 00:45:28,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1930150614] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 00:45:28,979 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 00:45:28,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 00:45:28,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069808024] [2024-10-14 00:45:28,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 00:45:28,981 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 00:45:28,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-14 00:45:28,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 00:45:28,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 00:45:28,983 INFO L87 Difference]: Start difference. First operand 89 states and 127 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 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) [2024-10-14 00:45:30,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 00:45:30,372 INFO L93 Difference]: Finished difference Result 170 states and 245 transitions. [2024-10-14 00:45:30,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 00:45:30,373 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 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 [2024-10-14 00:45:30,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 00:45:30,375 INFO L225 Difference]: With dead ends: 170 [2024-10-14 00:45:30,375 INFO L226 Difference]: Without dead ends: 89 [2024-10-14 00:45:30,376 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 00:45:30,377 INFO L432 NwaCegarLoop]: 118 mSDtfsCounter, 0 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 233 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-10-14 00:45:30,377 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 233 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-10-14 00:45:30,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2024-10-14 00:45:30,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2024-10-14 00:45:30,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 82 states have (on average 1.4390243902439024) internal successors, (118), 82 states have internal predecessors, (118), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-14 00:45:30,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 126 transitions. [2024-10-14 00:45:30,391 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 126 transitions. Word has length 17 [2024-10-14 00:45:30,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 00:45:30,391 INFO L471 AbstractCegarLoop]: Abstraction has 89 states and 126 transitions. [2024-10-14 00:45:30,391 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 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) [2024-10-14 00:45:30,391 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 126 transitions. [2024-10-14 00:45:30,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-10-14 00:45:30,392 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 00:45:30,392 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 00:45:30,410 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 [2024-10-14 00:45:30,592 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 [2024-10-14 00:45:30,593 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 00:45:30,594 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 00:45:30,594 INFO L85 PathProgramCache]: Analyzing trace with hash -1256442938, now seen corresponding path program 1 times [2024-10-14 00:45:30,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-14 00:45:30,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [331263206] [2024-10-14 00:45:30,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 00:45:30,595 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 [2024-10-14 00:45:30,595 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-14 00:45:30,598 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) [2024-10-14 00:45:30,599 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 [2024-10-14 00:45:31,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 00:45:31,060 INFO L255 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-10-14 00:45:31,066 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 00:46:00,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 00:46:00,718 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 00:46:00,718 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-14 00:46:00,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [331263206] [2024-10-14 00:46:00,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [331263206] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 00:46:00,720 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 00:46:00,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-14 00:46:00,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3774907] [2024-10-14 00:46:00,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 00:46:00,724 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-14 00:46:00,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-14 00:46:00,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-14 00:46:00,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=106, Unknown=1, NotChecked=0, Total=132 [2024-10-14 00:46:00,726 INFO L87 Difference]: Start difference. First operand 89 states and 126 transitions. Second operand has 12 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 11 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 00:46:04,438 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0]