./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_0683a.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_0683a.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 ded13d718947e0cef3a9581cc7bfa480a12833eb2a7beb86b46438a532a4bf69 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 00:44:35,434 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 00:44:35,500 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-14 00:44:35,507 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 00:44:35,507 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 00:44:35,535 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 00:44:35,535 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 00:44:35,536 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 00:44:35,536 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 00:44:35,537 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 00:44:35,541 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 00:44:35,542 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 00:44:35,542 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 00:44:35,543 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 00:44:35,543 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 00:44:35,543 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 00:44:35,544 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 00:44:35,544 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 00:44:35,544 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 00:44:35,545 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 00:44:35,545 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 00:44:35,547 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 00:44:35,547 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 00:44:35,547 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 00:44:35,548 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 00:44:35,548 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 00:44:35,548 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 00:44:35,549 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 00:44:35,549 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 00:44:35,550 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 00:44:35,550 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 00:44:35,550 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 00:44:35,551 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 00:44:35,551 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 00:44:35,551 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 00:44:35,552 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 00:44:35,552 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 00:44:35,553 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 00:44:35,553 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 00:44:35,553 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 00:44:35,554 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 00:44:35,554 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 00:44:35,554 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ded13d718947e0cef3a9581cc7bfa480a12833eb2a7beb86b46438a532a4bf69 [2024-10-14 00:44:35,807 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 00:44:35,832 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 00:44:35,835 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 00:44:35,838 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 00:44:35,838 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 00:44:35,840 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0683a.c [2024-10-14 00:44:37,369 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 00:44:37,593 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 00:44:37,594 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0683a.c [2024-10-14 00:44:37,606 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11d75cbb2/ae7be23545c7427d9fd3d2319e1e90f2/FLAG5e218aa39 [2024-10-14 00:44:37,619 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11d75cbb2/ae7be23545c7427d9fd3d2319e1e90f2 [2024-10-14 00:44:37,621 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 00:44:37,623 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 00:44:37,624 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 00:44:37,624 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 00:44:37,630 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 00:44:37,631 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:44:37" (1/1) ... [2024-10-14 00:44:37,634 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72d88b0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:37, skipping insertion in model container [2024-10-14 00:44:37,634 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:44:37" (1/1) ... [2024-10-14 00:44:37,667 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 00:44:37,887 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_0683a.c[7147,7160] [2024-10-14 00:44:37,894 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 00:44:37,921 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 00:44:38,009 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_0683a.c[7147,7160] [2024-10-14 00:44:38,010 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 00:44:38,034 INFO L204 MainTranslator]: Completed translation [2024-10-14 00:44:38,035 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:38 WrapperNode [2024-10-14 00:44:38,035 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 00:44:38,036 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 00:44:38,036 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 00:44:38,036 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 00:44:38,042 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:38" (1/1) ... [2024-10-14 00:44:38,063 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:38" (1/1) ... [2024-10-14 00:44:38,096 INFO L138 Inliner]: procedures = 22, calls = 103, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 413 [2024-10-14 00:44:38,097 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 00:44:38,098 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 00:44:38,098 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 00:44:38,098 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 00:44:38,113 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:38" (1/1) ... [2024-10-14 00:44:38,113 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:38" (1/1) ... [2024-10-14 00:44:38,123 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:38" (1/1) ... [2024-10-14 00:44:38,167 INFO L175 MemorySlicer]: Split 65 memory accesses to 15 slices as follows [2, 2, 3, 7, 7, 22, 2, 3, 2, 3, 3, 2, 3, 2, 2]. 34 percent of accesses are in the largest equivalence class. The 21 initializations are split as follows [0, 2, 0, 4, 4, 11, 0, 0, 0, 0, 0, 0, 0, 0, 0]. The 13 writes are split as follows [1, 0, 2, 0, 0, 0, 1, 1, 1, 1, 1, 1, 2, 1, 1]. [2024-10-14 00:44:38,167 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:38" (1/1) ... [2024-10-14 00:44:38,168 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:38" (1/1) ... [2024-10-14 00:44:38,222 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:38" (1/1) ... [2024-10-14 00:44:38,228 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:38" (1/1) ... [2024-10-14 00:44:38,250 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:38" (1/1) ... [2024-10-14 00:44:38,254 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:38" (1/1) ... [2024-10-14 00:44:38,261 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 00:44:38,262 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 00:44:38,262 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 00:44:38,262 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 00:44:38,263 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:38" (1/1) ... [2024-10-14 00:44:38,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 00:44:38,290 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 00:44:38,315 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 00:44:38,319 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 00:44:38,369 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 00:44:38,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 00:44:38,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-14 00:44:38,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-14 00:44:38,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-14 00:44:38,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-14 00:44:38,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-14 00:44:38,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-14 00:44:38,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-10-14 00:44:38,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-10-14 00:44:38,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-10-14 00:44:38,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-10-14 00:44:38,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-10-14 00:44:38,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-10-14 00:44:38,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-10-14 00:44:38,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-10-14 00:44:38,373 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-14 00:44:38,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-10-14 00:44:38,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-10-14 00:44:38,374 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-10-14 00:44:38,374 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-10-14 00:44:38,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-10-14 00:44:38,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2024-10-14 00:44:38,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2024-10-14 00:44:38,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2024-10-14 00:44:38,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#8 [2024-10-14 00:44:38,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#9 [2024-10-14 00:44:38,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#10 [2024-10-14 00:44:38,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#11 [2024-10-14 00:44:38,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#12 [2024-10-14 00:44:38,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#13 [2024-10-14 00:44:38,379 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#14 [2024-10-14 00:44:38,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-14 00:44:38,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-14 00:44:38,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-14 00:44:38,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-14 00:44:38,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-14 00:44:38,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-14 00:44:38,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-14 00:44:38,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-10-14 00:44:38,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-10-14 00:44:38,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-10-14 00:44:38,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-10-14 00:44:38,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-10-14 00:44:38,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-10-14 00:44:38,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-10-14 00:44:38,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-10-14 00:44:38,381 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2024-10-14 00:44:38,381 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2024-10-14 00:44:38,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-10-14 00:44:38,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-10-14 00:44:38,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-10-14 00:44:38,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-10-14 00:44:38,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-10-14 00:44:38,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2024-10-14 00:44:38,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2024-10-14 00:44:38,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#7 [2024-10-14 00:44:38,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#8 [2024-10-14 00:44:38,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#9 [2024-10-14 00:44:38,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#10 [2024-10-14 00:44:38,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#11 [2024-10-14 00:44:38,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#12 [2024-10-14 00:44:38,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#13 [2024-10-14 00:44:38,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#14 [2024-10-14 00:44:38,382 INFO L130 BoogieDeclarations]: Found specification of procedure atan_double [2024-10-14 00:44:38,382 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_double [2024-10-14 00:44:38,383 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 00:44:38,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 00:44:38,383 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-14 00:44:38,383 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-14 00:44:38,383 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-14 00:44:38,383 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-14 00:44:38,383 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-14 00:44:38,383 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-14 00:44:38,383 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-14 00:44:38,383 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-10-14 00:44:38,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-10-14 00:44:38,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-10-14 00:44:38,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-10-14 00:44:38,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-10-14 00:44:38,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-10-14 00:44:38,386 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-10-14 00:44:38,387 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-10-14 00:44:38,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2024-10-14 00:44:38,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2024-10-14 00:44:38,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2024-10-14 00:44:38,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2024-10-14 00:44:38,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2024-10-14 00:44:38,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2024-10-14 00:44:38,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#6 [2024-10-14 00:44:38,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#7 [2024-10-14 00:44:38,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#8 [2024-10-14 00:44:38,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#9 [2024-10-14 00:44:38,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#10 [2024-10-14 00:44:38,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#11 [2024-10-14 00:44:38,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#12 [2024-10-14 00:44:38,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#13 [2024-10-14 00:44:38,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#14 [2024-10-14 00:44:38,390 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-14 00:44:38,597 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 00:44:38,599 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 00:44:39,297 INFO L? ?]: Removed 104 outVars from TransFormulas that were not future-live. [2024-10-14 00:44:39,297 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 00:44:39,348 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 00:44:39,349 INFO L314 CfgBuilder]: Removed 22 assume(true) statements. [2024-10-14 00:44:39,349 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:44:39 BoogieIcfgContainer [2024-10-14 00:44:39,353 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 00:44:39,356 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 00:44:39,356 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 00:44:39,359 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 00:44:39,360 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 12:44:37" (1/3) ... [2024-10-14 00:44:39,361 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65f8c4b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 12:44:39, skipping insertion in model container [2024-10-14 00:44:39,361 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:38" (2/3) ... [2024-10-14 00:44:39,362 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65f8c4b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 12:44:39, skipping insertion in model container [2024-10-14 00:44:39,362 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:44:39" (3/3) ... [2024-10-14 00:44:39,364 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0683a.c [2024-10-14 00:44:39,382 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 00:44:39,382 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-14 00:44:39,463 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 00:44:39,469 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;@6be4846d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 00:44:39,471 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-14 00:44:39,477 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 00:44:39,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-10-14 00:44:39,486 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 00:44:39,487 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 00:44:39,487 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 00:44:39,492 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 00:44:39,493 INFO L85 PathProgramCache]: Analyzing trace with hash 511119900, now seen corresponding path program 1 times [2024-10-14 00:44:39,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 00:44:39,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328493269] [2024-10-14 00:44:39,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 00:44:39,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 00:44:39,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 00:44:39,758 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 00:44:39,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 00:44:39,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328493269] [2024-10-14 00:44:39,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1328493269] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 00:44:39,761 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 00:44:39,761 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 00:44:39,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133942043] [2024-10-14 00:44:39,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 00:44:39,768 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-14 00:44:39,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 00:44:39,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-14 00:44:39,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 00:44:39,797 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 00:44:39,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 00:44:39,872 INFO L93 Difference]: Finished difference Result 267 states and 445 transitions. [2024-10-14 00:44:39,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-14 00:44:39,875 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 00:44:39,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 00:44:39,904 INFO L225 Difference]: With dead ends: 267 [2024-10-14 00:44:39,904 INFO L226 Difference]: Without dead ends: 131 [2024-10-14 00:44:39,909 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 00:44:39,913 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 00:44:39,914 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 00:44:39,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2024-10-14 00:44:39,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2024-10-14 00:44:39,992 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 00:44:39,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 194 transitions. [2024-10-14 00:44:39,999 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 194 transitions. Word has length 23 [2024-10-14 00:44:40,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 00:44:40,001 INFO L471 AbstractCegarLoop]: Abstraction has 131 states and 194 transitions. [2024-10-14 00:44:40,023 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 00:44:40,024 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 194 transitions. [2024-10-14 00:44:40,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-10-14 00:44:40,025 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 00:44:40,025 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 00:44:40,025 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 00:44:40,025 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 00:44:40,026 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 00:44:40,026 INFO L85 PathProgramCache]: Analyzing trace with hash -1148574469, now seen corresponding path program 1 times [2024-10-14 00:44:40,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 00:44:40,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110716292] [2024-10-14 00:44:40,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 00:44:40,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 00:44:40,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 00:44:40,211 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 00:44:40,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 00:44:40,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1110716292] [2024-10-14 00:44:40,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1110716292] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 00:44:40,213 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 00:44:40,213 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 00:44:40,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076940821] [2024-10-14 00:44:40,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 00:44:40,215 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 00:44:40,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 00:44:40,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 00:44:40,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 00:44:40,218 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 00:44:40,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 00:44:40,287 INFO L93 Difference]: Finished difference Result 243 states and 362 transitions. [2024-10-14 00:44:40,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 00:44:40,288 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 00:44:40,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 00:44:40,290 INFO L225 Difference]: With dead ends: 243 [2024-10-14 00:44:40,290 INFO L226 Difference]: Without dead ends: 131 [2024-10-14 00:44:40,291 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 00:44:40,292 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 00:44:40,293 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 00:44:40,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2024-10-14 00:44:40,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2024-10-14 00:44:40,302 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 00:44:40,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 193 transitions. [2024-10-14 00:44:40,304 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 193 transitions. Word has length 26 [2024-10-14 00:44:40,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 00:44:40,305 INFO L471 AbstractCegarLoop]: Abstraction has 131 states and 193 transitions. [2024-10-14 00:44:40,305 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 00:44:40,305 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 193 transitions. [2024-10-14 00:44:40,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-10-14 00:44:40,306 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 00:44:40,306 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 00:44:40,306 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 00:44:40,306 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 00:44:40,307 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 00:44:40,307 INFO L85 PathProgramCache]: Analyzing trace with hash 1191493231, now seen corresponding path program 1 times [2024-10-14 00:44:40,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 00:44:40,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508744743] [2024-10-14 00:44:40,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 00:44:40,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 00:44:40,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 00:44:40,793 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 00:44:40,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 00:44:40,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508744743] [2024-10-14 00:44:40,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1508744743] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 00:44:40,795 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 00:44:40,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 00:44:40,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611295960] [2024-10-14 00:44:40,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 00:44:40,796 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 00:44:40,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 00:44:40,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 00:44:40,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 00:44:40,798 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 00:44:40,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 00:44:40,885 INFO L93 Difference]: Finished difference Result 252 states and 372 transitions. [2024-10-14 00:44:40,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 00:44:40,885 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 00:44:40,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 00:44:40,887 INFO L225 Difference]: With dead ends: 252 [2024-10-14 00:44:40,887 INFO L226 Difference]: Without dead ends: 135 [2024-10-14 00:44:40,888 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 00:44:40,889 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 00:44:40,889 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 00:44:40,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2024-10-14 00:44:40,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 134. [2024-10-14 00:44:40,934 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 00:44:40,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 196 transitions. [2024-10-14 00:44:40,936 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 196 transitions. Word has length 29 [2024-10-14 00:44:40,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 00:44:40,937 INFO L471 AbstractCegarLoop]: Abstraction has 134 states and 196 transitions. [2024-10-14 00:44:40,937 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 00:44:40,937 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 196 transitions. [2024-10-14 00:44:40,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-10-14 00:44:40,938 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 00:44:40,938 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 00:44:40,938 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 00:44:40,940 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 00:44:40,941 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 00:44:40,943 INFO L85 PathProgramCache]: Analyzing trace with hash 71967867, now seen corresponding path program 1 times [2024-10-14 00:44:40,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 00:44:40,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566740804] [2024-10-14 00:44:40,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 00:44:40,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 00:44:41,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 00:44:41,255 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 00:44:41,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 00:44:41,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566740804] [2024-10-14 00:44:41,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [566740804] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 00:44:41,256 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 00:44:41,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 00:44:41,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056591844] [2024-10-14 00:44:41,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 00:44:41,257 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 00:44:41,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 00:44:41,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 00:44:41,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 00:44:41,258 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 00:44:41,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 00:44:41,317 INFO L93 Difference]: Finished difference Result 226 states and 336 transitions. [2024-10-14 00:44:41,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 00:44:41,318 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 00:44:41,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 00:44:41,319 INFO L225 Difference]: With dead ends: 226 [2024-10-14 00:44:41,319 INFO L226 Difference]: Without dead ends: 136 [2024-10-14 00:44:41,320 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 00:44:41,321 INFO L432 NwaCegarLoop]: 182 mSDtfsCounter, 0 mSDsluCounter, 351 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s 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, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 00:44:41,322 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 533 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 00:44:41,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2024-10-14 00:44:41,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2024-10-14 00:44:41,334 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 00:44:41,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 198 transitions. [2024-10-14 00:44:41,336 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 198 transitions. Word has length 30 [2024-10-14 00:44:41,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 00:44:41,337 INFO L471 AbstractCegarLoop]: Abstraction has 136 states and 198 transitions. [2024-10-14 00:44:41,337 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 00:44:41,337 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 198 transitions. [2024-10-14 00:44:41,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-10-14 00:44:41,338 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 00:44:41,338 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 00:44:41,339 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-14 00:44:41,340 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 00:44:41,341 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 00:44:41,341 INFO L85 PathProgramCache]: Analyzing trace with hash -975155041, now seen corresponding path program 1 times [2024-10-14 00:44:41,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 00:44:41,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363658197] [2024-10-14 00:44:41,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 00:44:41,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 00:44:41,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-14 00:44:41,427 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-14 00:44:41,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-14 00:44:41,545 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-14 00:44:41,545 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-14 00:44:41,546 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-14 00:44:41,548 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-14 00:44:41,552 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-10-14 00:44:41,590 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Unable to backtranslate 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, 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 00:44:41,596 INFO L158 Benchmark]: Toolchain (without parser) took 3973.52ms. Allocated memory was 157.3MB in the beginning and 218.1MB in the end (delta: 60.8MB). Free memory was 84.3MB in the beginning and 87.5MB in the end (delta: -3.2MB). Peak memory consumption was 58.3MB. Max. memory is 16.1GB. [2024-10-14 00:44:41,597 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 157.3MB. Free memory was 108.5MB in the beginning and 108.3MB in the end (delta: 159.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 00:44:41,597 INFO L158 Benchmark]: CACSL2BoogieTranslator took 411.05ms. Allocated memory is still 157.3MB. Free memory was 84.1MB in the beginning and 67.6MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-10-14 00:44:41,597 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.74ms. Allocated memory is still 157.3MB. Free memory was 67.6MB in the beginning and 64.1MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-14 00:44:41,597 INFO L158 Benchmark]: Boogie Preprocessor took 163.09ms. Allocated memory was 157.3MB in the beginning and 218.1MB in the end (delta: 60.8MB). Free memory was 64.1MB in the beginning and 186.0MB in the end (delta: -121.9MB). Peak memory consumption was 18.5MB. Max. memory is 16.1GB. [2024-10-14 00:44:41,598 INFO L158 Benchmark]: RCFGBuilder took 1091.30ms. Allocated memory is still 218.1MB. Free memory was 186.0MB in the beginning and 134.7MB in the end (delta: 51.4MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-10-14 00:44:41,598 INFO L158 Benchmark]: TraceAbstraction took 2240.07ms. Allocated memory is still 218.1MB. Free memory was 133.6MB in the beginning and 87.5MB in the end (delta: 46.1MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2024-10-14 00:44:41,604 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 157.3MB. Free memory was 108.5MB in the beginning and 108.3MB in the end (delta: 159.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 411.05ms. Allocated memory is still 157.3MB. Free memory was 84.1MB in the beginning and 67.6MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.74ms. Allocated memory is still 157.3MB. Free memory was 67.6MB in the beginning and 64.1MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 163.09ms. Allocated memory was 157.3MB in the beginning and 218.1MB in the end (delta: 60.8MB). Free memory was 64.1MB in the beginning and 186.0MB in the end (delta: -121.9MB). Peak memory consumption was 18.5MB. Max. memory is 16.1GB. * RCFGBuilder took 1091.30ms. Allocated memory is still 218.1MB. Free memory was 186.0MB in the beginning and 134.7MB in the end (delta: 51.4MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * TraceAbstraction took 2240.07ms. Allocated memory is still 218.1MB. Free memory was 133.6MB in the beginning and 87.5MB in the end (delta: 46.1MB). Peak memory consumption was 44.0MB. 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 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, there is no C type to represent it. de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Unable to backtranslate 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, 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 00:44:41,641 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_0683a.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 ded13d718947e0cef3a9581cc7bfa480a12833eb2a7beb86b46438a532a4bf69 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 00:44:43,810 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 00:44:43,884 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-10-14 00:44:43,888 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 00:44:43,891 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 00:44:43,932 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 00:44:43,933 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 00:44:43,933 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 00:44:43,934 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 00:44:43,934 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 00:44:43,936 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 00:44:43,936 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 00:44:43,937 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 00:44:43,941 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 00:44:43,941 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 00:44:43,942 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 00:44:43,943 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 00:44:43,943 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 00:44:43,944 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 00:44:43,944 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 00:44:43,944 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 00:44:43,945 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 00:44:43,945 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 00:44:43,946 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-14 00:44:43,946 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-14 00:44:43,946 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 00:44:43,947 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-14 00:44:43,947 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 00:44:43,947 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 00:44:43,947 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 00:44:43,948 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 00:44:43,948 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 00:44:43,948 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 00:44:43,948 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 00:44:43,949 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 00:44:43,949 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 00:44:43,951 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 00:44:43,951 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 00:44:43,951 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-14 00:44:43,951 INFO L153 SettingsManager]: * Command for external solver=cvc5 --incremental --print-success --lang smt [2024-10-14 00:44:43,952 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 00:44:43,952 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 00:44:43,952 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 00:44:43,952 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 00:44:43,953 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-14 00:44:43,953 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ded13d718947e0cef3a9581cc7bfa480a12833eb2a7beb86b46438a532a4bf69 [2024-10-14 00:44:44,294 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 00:44:44,319 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 00:44:44,323 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 00:44:44,324 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 00:44:44,324 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 00:44:44,327 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0683a.c [2024-10-14 00:44:45,859 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 00:44:46,083 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 00:44:46,084 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0683a.c [2024-10-14 00:44:46,095 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0393e7048/6b5088ff9bd34c9aae95ebccb44b6753/FLAG39931853b [2024-10-14 00:44:46,436 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0393e7048/6b5088ff9bd34c9aae95ebccb44b6753 [2024-10-14 00:44:46,439 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 00:44:46,440 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 00:44:46,443 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 00:44:46,443 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 00:44:46,448 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 00:44:46,449 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:44:46" (1/1) ... [2024-10-14 00:44:46,450 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1146d3cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:46, skipping insertion in model container [2024-10-14 00:44:46,450 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:44:46" (1/1) ... [2024-10-14 00:44:46,482 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 00:44:46,718 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_0683a.c[7147,7160] [2024-10-14 00:44:46,724 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 00:44:46,749 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 00:44:46,841 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_0683a.c[7147,7160] [2024-10-14 00:44:46,842 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 00:44:46,877 INFO L204 MainTranslator]: Completed translation [2024-10-14 00:44:46,878 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:46 WrapperNode [2024-10-14 00:44:46,878 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 00:44:46,879 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 00:44:46,879 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 00:44:46,880 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 00:44:46,886 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:46" (1/1) ... [2024-10-14 00:44:46,908 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:46" (1/1) ... [2024-10-14 00:44:46,948 INFO L138 Inliner]: procedures = 25, calls = 103, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 302 [2024-10-14 00:44:46,950 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 00:44:46,951 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 00:44:46,951 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 00:44:46,951 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 00:44:46,961 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:46" (1/1) ... [2024-10-14 00:44:46,961 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:46" (1/1) ... [2024-10-14 00:44:46,971 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:46" (1/1) ... [2024-10-14 00:44:47,008 INFO L175 MemorySlicer]: Split 65 memory accesses to 15 slices as follows [2, 7, 2, 7, 22, 3, 2, 3, 2, 2, 2, 2, 3, 3, 3]. 34 percent of accesses are in the largest equivalence class. The 21 initializations are split as follows [2, 4, 0, 4, 11, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]. The 13 writes are split as follows [0, 0, 1, 0, 0, 2, 1, 2, 1, 1, 1, 1, 1, 1, 1]. [2024-10-14 00:44:47,008 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:46" (1/1) ... [2024-10-14 00:44:47,009 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:46" (1/1) ... [2024-10-14 00:44:47,029 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:46" (1/1) ... [2024-10-14 00:44:47,035 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:46" (1/1) ... [2024-10-14 00:44:47,042 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:46" (1/1) ... [2024-10-14 00:44:47,050 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:46" (1/1) ... [2024-10-14 00:44:47,058 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 00:44:47,059 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 00:44:47,059 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 00:44:47,059 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 00:44:47,060 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:46" (1/1) ... [2024-10-14 00:44:47,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 00:44:47,083 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 00:44:47,099 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 00:44:47,101 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 00:44:47,138 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 00:44:47,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2024-10-14 00:44:47,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2024-10-14 00:44:47,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2 [2024-10-14 00:44:47,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#3 [2024-10-14 00:44:47,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#4 [2024-10-14 00:44:47,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#5 [2024-10-14 00:44:47,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#6 [2024-10-14 00:44:47,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#7 [2024-10-14 00:44:47,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#8 [2024-10-14 00:44:47,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#9 [2024-10-14 00:44:47,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#10 [2024-10-14 00:44:47,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#11 [2024-10-14 00:44:47,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#12 [2024-10-14 00:44:47,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#13 [2024-10-14 00:44:47,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#14 [2024-10-14 00:44:47,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2024-10-14 00:44:47,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2024-10-14 00:44:47,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#2 [2024-10-14 00:44:47,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#3 [2024-10-14 00:44:47,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#4 [2024-10-14 00:44:47,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#5 [2024-10-14 00:44:47,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#6 [2024-10-14 00:44:47,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#7 [2024-10-14 00:44:47,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#8 [2024-10-14 00:44:47,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#9 [2024-10-14 00:44:47,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#10 [2024-10-14 00:44:47,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#11 [2024-10-14 00:44:47,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#12 [2024-10-14 00:44:47,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#13 [2024-10-14 00:44:47,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#14 [2024-10-14 00:44:47,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-14 00:44:47,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-10-14 00:44:47,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-10-14 00:44:47,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-10-14 00:44:47,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-10-14 00:44:47,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-10-14 00:44:47,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-10-14 00:44:47,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-10-14 00:44:47,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-10-14 00:44:47,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2024-10-14 00:44:47,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2024-10-14 00:44:47,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2024-10-14 00:44:47,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#12 [2024-10-14 00:44:47,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#13 [2024-10-14 00:44:47,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#14 [2024-10-14 00:44:47,144 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-14 00:44:47,144 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2024-10-14 00:44:47,145 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2024-10-14 00:44:47,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#0 [2024-10-14 00:44:47,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#1 [2024-10-14 00:44:47,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#2 [2024-10-14 00:44:47,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#3 [2024-10-14 00:44:47,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#4 [2024-10-14 00:44:47,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#5 [2024-10-14 00:44:47,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#6 [2024-10-14 00:44:47,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#7 [2024-10-14 00:44:47,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#8 [2024-10-14 00:44:47,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#9 [2024-10-14 00:44:47,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#10 [2024-10-14 00:44:47,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#11 [2024-10-14 00:44:47,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#12 [2024-10-14 00:44:47,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#13 [2024-10-14 00:44:47,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#14 [2024-10-14 00:44:47,147 INFO L130 BoogieDeclarations]: Found specification of procedure atan_double [2024-10-14 00:44:47,148 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_double [2024-10-14 00:44:47,148 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-10-14 00:44:47,148 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-10-14 00:44:47,148 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-10-14 00:44:47,148 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-10-14 00:44:47,148 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-10-14 00:44:47,148 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-10-14 00:44:47,149 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-10-14 00:44:47,149 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-10-14 00:44:47,149 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2024-10-14 00:44:47,149 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2024-10-14 00:44:47,149 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2024-10-14 00:44:47,149 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#11 [2024-10-14 00:44:47,150 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#12 [2024-10-14 00:44:47,150 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#13 [2024-10-14 00:44:47,150 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#14 [2024-10-14 00:44:47,150 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 00:44:47,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 00:44:47,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-10-14 00:44:47,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-10-14 00:44:47,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-10-14 00:44:47,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-10-14 00:44:47,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-10-14 00:44:47,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-10-14 00:44:47,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-10-14 00:44:47,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-10-14 00:44:47,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2024-10-14 00:44:47,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2024-10-14 00:44:47,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2024-10-14 00:44:47,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#11 [2024-10-14 00:44:47,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#12 [2024-10-14 00:44:47,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#13 [2024-10-14 00:44:47,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#14 [2024-10-14 00:44:47,153 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-14 00:44:47,389 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 00:44:47,391 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 00:45:22,998 INFO L? ?]: Removed 100 outVars from TransFormulas that were not future-live. [2024-10-14 00:45:22,998 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 00:45:23,068 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 00:45:23,069 INFO L314 CfgBuilder]: Removed 22 assume(true) statements. [2024-10-14 00:45:23,070 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:45:23 BoogieIcfgContainer [2024-10-14 00:45:23,070 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 00:45:23,072 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 00:45:23,073 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 00:45:23,077 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 00:45:23,077 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 12:44:46" (1/3) ... [2024-10-14 00:45:23,078 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15f48e05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 12:45:23, skipping insertion in model container [2024-10-14 00:45:23,078 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:46" (2/3) ... [2024-10-14 00:45:23,079 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15f48e05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 12:45:23, skipping insertion in model container [2024-10-14 00:45:23,079 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:45:23" (3/3) ... [2024-10-14 00:45:23,080 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0683a.c [2024-10-14 00:45:23,099 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 00:45:23,100 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-14 00:45:23,167 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 00:45:23,175 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;@33f56322, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 00:45:23,176 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-14 00:45:23,182 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 00:45:23,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-10-14 00:45:23,190 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 00:45:23,194 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 00:45:23,195 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 00:45:23,202 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 00:45:23,204 INFO L85 PathProgramCache]: Analyzing trace with hash 1326973982, now seen corresponding path program 1 times [2024-10-14 00:45:23,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-14 00:45:23,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [247241151] [2024-10-14 00:45:23,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 00:45:23,220 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 00:45:23,220 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-14 00:45:23,224 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 00:45:23,235 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 00:45:23,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 00:45:23,690 INFO L255 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-14 00:45:23,694 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 00:45:23,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 00:45:23,713 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 00:45:23,713 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-14 00:45:23,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [247241151] [2024-10-14 00:45:23,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [247241151] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 00:45:23,715 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 00:45:23,715 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 00:45:23,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950659656] [2024-10-14 00:45:23,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 00:45:23,722 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-14 00:45:23,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-14 00:45:23,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-14 00:45:23,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 00:45:23,755 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 00:45:24,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 00:45:24,467 INFO L93 Difference]: Finished difference Result 183 states and 311 transitions. [2024-10-14 00:45:24,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-14 00:45:24,470 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 00:45:24,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 00:45:24,476 INFO L225 Difference]: With dead ends: 183 [2024-10-14 00:45:24,476 INFO L226 Difference]: Without dead ends: 89 [2024-10-14 00:45:24,479 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 00:45:24,482 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 00:45:24,482 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 00:45:24,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2024-10-14 00:45:24,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2024-10-14 00:45:24,523 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 00:45:24,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 127 transitions. [2024-10-14 00:45:24,529 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 127 transitions. Word has length 14 [2024-10-14 00:45:24,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 00:45:24,531 INFO L471 AbstractCegarLoop]: Abstraction has 89 states and 127 transitions. [2024-10-14 00:45:24,531 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 00:45:24,531 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 127 transitions. [2024-10-14 00:45:24,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-10-14 00:45:24,532 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 00:45:24,533 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 00:45:24,550 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 00:45:24,734 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 00:45:24,735 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 00:45:24,735 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 00:45:24,736 INFO L85 PathProgramCache]: Analyzing trace with hash -724135017, now seen corresponding path program 1 times [2024-10-14 00:45:24,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-14 00:45:24,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1905961673] [2024-10-14 00:45:24,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 00:45:24,737 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 00:45:24,737 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-14 00:45:24,738 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 00:45:24,740 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 00:45:25,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 00:45:25,181 INFO L255 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-14 00:45:25,183 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 00:45:25,525 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 00:45:25,526 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 00:45:25,526 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-14 00:45:25,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1905961673] [2024-10-14 00:45:25,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1905961673] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 00:45:25,527 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 00:45:25,527 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 00:45:25,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441084234] [2024-10-14 00:45:25,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 00:45:25,528 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 00:45:25,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-14 00:45:25,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 00:45:25,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 00:45:25,530 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 00:45:26,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 00:45:26,673 INFO L93 Difference]: Finished difference Result 170 states and 245 transitions. [2024-10-14 00:45:26,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 00:45:26,674 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 00:45:26,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 00:45:26,676 INFO L225 Difference]: With dead ends: 170 [2024-10-14 00:45:26,676 INFO L226 Difference]: Without dead ends: 89 [2024-10-14 00:45:26,677 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 00:45:26,678 INFO L432 NwaCegarLoop]: 118 mSDtfsCounter, 0 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s 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, 1.1s IncrementalHoareTripleChecker+Time [2024-10-14 00:45:26,679 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 233 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-14 00:45:26,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2024-10-14 00:45:26,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2024-10-14 00:45:26,688 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 00:45:26,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 126 transitions. [2024-10-14 00:45:26,689 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 126 transitions. Word has length 17 [2024-10-14 00:45:26,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 00:45:26,690 INFO L471 AbstractCegarLoop]: Abstraction has 89 states and 126 transitions. [2024-10-14 00:45:26,690 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 00:45:26,690 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 126 transitions. [2024-10-14 00:45:26,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-10-14 00:45:26,690 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 00:45:26,691 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 00:45:26,704 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-10-14 00:45:26,891 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 00:45:26,892 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 00:45:26,892 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 00:45:26,892 INFO L85 PathProgramCache]: Analyzing trace with hash -1256442938, now seen corresponding path program 1 times [2024-10-14 00:45:26,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-14 00:45:26,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [147214771] [2024-10-14 00:45:26,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 00:45:26,893 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 00:45:26,894 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-14 00:45:26,896 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 00:45:26,897 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 00:45:27,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 00:45:27,476 INFO L255 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-10-14 00:45:27,487 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 00:45:44,968 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 00:45:44,969 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 00:45:44,969 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-14 00:45:44,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [147214771] [2024-10-14 00:45:44,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [147214771] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 00:45:44,969 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 00:45:44,970 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-14 00:45:44,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881185464] [2024-10-14 00:45:44,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 00:45:44,970 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-14 00:45:44,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-14 00:45:44,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-14 00:45:44,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-10-14 00:45:44,972 INFO L87 Difference]: Start difference. First operand 89 states and 126 transitions. Second operand has 11 states, 11 states have (on average 1.8181818181818181) internal successors, (20), 10 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)