./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_0680a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0680a.c -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 4eed4446e0f432c6be204cca890b68b3d1d04721717deb663609d1d77477b2e5 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 00:34:21,610 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 00:34:21,682 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-11 00:34:21,688 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 00:34:21,688 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 00:34:21,710 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 00:34:21,711 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 00:34:21,712 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 00:34:21,712 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 00:34:21,713 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 00:34:21,713 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 00:34:21,714 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 00:34:21,714 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 00:34:21,715 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 00:34:21,715 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 00:34:21,716 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 00:34:21,716 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 00:34:21,716 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 00:34:21,717 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 00:34:21,717 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 00:34:21,717 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 00:34:21,718 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 00:34:21,718 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 00:34:21,719 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 00:34:21,719 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 00:34:21,719 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 00:34:21,720 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 00:34:21,720 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 00:34:21,720 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 00:34:21,721 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 00:34:21,721 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 00:34:21,721 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 00:34:21,722 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 00:34:21,722 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 00:34:21,722 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 00:34:21,723 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 00:34:21,723 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 00:34:21,723 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 00:34:21,724 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 00:34:21,724 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 00:34:21,724 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 00:34:21,725 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 00:34:21,725 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4eed4446e0f432c6be204cca890b68b3d1d04721717deb663609d1d77477b2e5 [2024-10-11 00:34:22,017 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 00:34:22,046 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 00:34:22,049 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 00:34:22,050 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 00:34:22,051 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 00:34:22,052 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0680a.c [2024-10-11 00:34:23,548 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 00:34:23,767 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 00:34:23,769 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0680a.c [2024-10-11 00:34:23,783 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/e77640e43/771c36aa6176498e8a7fc024eeaf6589/FLAGa8bdf90ba [2024-10-11 00:34:23,800 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/e77640e43/771c36aa6176498e8a7fc024eeaf6589 [2024-10-11 00:34:23,803 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 00:34:23,805 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 00:34:23,806 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 00:34:23,808 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 00:34:23,813 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 00:34:23,814 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:34:23" (1/1) ... [2024-10-11 00:34:23,815 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@673a6880 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:23, skipping insertion in model container [2024-10-11 00:34:23,816 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:34:23" (1/1) ... [2024-10-11 00:34:23,853 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 00:34:24,100 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_0680a.c[6165,6178] [2024-10-11 00:34:24,105 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 00:34:24,117 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 00:34:24,160 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_0680a.c[6165,6178] [2024-10-11 00:34:24,160 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 00:34:24,186 INFO L204 MainTranslator]: Completed translation [2024-10-11 00:34:24,187 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:24 WrapperNode [2024-10-11 00:34:24,188 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 00:34:24,189 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 00:34:24,189 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 00:34:24,190 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 00:34:24,197 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:24" (1/1) ... [2024-10-11 00:34:24,212 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:24" (1/1) ... [2024-10-11 00:34:24,274 INFO L138 Inliner]: procedures = 19, calls = 87, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 307 [2024-10-11 00:34:24,277 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 00:34:24,282 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 00:34:24,282 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 00:34:24,283 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 00:34:24,297 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:24" (1/1) ... [2024-10-11 00:34:24,297 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:24" (1/1) ... [2024-10-11 00:34:24,320 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:24" (1/1) ... [2024-10-11 00:34:24,353 INFO L175 MemorySlicer]: Split 58 memory accesses to 12 slices as follows [2, 2, 7, 7, 22, 2, 3, 3, 3, 2, 3, 2]. 38 percent of accesses are in the largest equivalence class. The 21 initializations are split as follows [2, 0, 4, 4, 11, 0, 0, 0, 0, 0, 0, 0]. The 10 writes are split as follows [0, 1, 0, 0, 0, 1, 1, 2, 1, 1, 2, 1]. [2024-10-11 00:34:24,353 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:24" (1/1) ... [2024-10-11 00:34:24,354 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:24" (1/1) ... [2024-10-11 00:34:24,377 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:24" (1/1) ... [2024-10-11 00:34:24,390 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:24" (1/1) ... [2024-10-11 00:34:24,398 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:24" (1/1) ... [2024-10-11 00:34:24,406 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:24" (1/1) ... [2024-10-11 00:34:24,412 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 00:34:24,413 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 00:34:24,414 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 00:34:24,414 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 00:34:24,415 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:24" (1/1) ... [2024-10-11 00:34:24,424 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 00:34:24,440 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 00:34:24,457 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 00:34:24,464 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 00:34:24,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 00:34:24,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 00:34:24,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-11 00:34:24,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-11 00:34:24,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-11 00:34:24,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-11 00:34:24,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-11 00:34:24,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-11 00:34:24,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-10-11 00:34:24,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-10-11 00:34:24,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-10-11 00:34:24,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-10-11 00:34:24,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-10-11 00:34:24,519 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-11 00:34:24,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-10-11 00:34:24,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-10-11 00:34:24,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-10-11 00:34:24,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-10-11 00:34:24,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-10-11 00:34:24,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2024-10-11 00:34:24,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2024-10-11 00:34:24,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2024-10-11 00:34:24,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#8 [2024-10-11 00:34:24,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#9 [2024-10-11 00:34:24,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#10 [2024-10-11 00:34:24,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#11 [2024-10-11 00:34:24,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-11 00:34:24,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-11 00:34:24,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-11 00:34:24,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-11 00:34:24,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-11 00:34:24,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-11 00:34:24,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-11 00:34:24,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-10-11 00:34:24,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-10-11 00:34:24,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-10-11 00:34:24,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-10-11 00:34:24,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-10-11 00:34:24,525 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2024-10-11 00:34:24,525 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2024-10-11 00:34:24,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-10-11 00:34:24,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-10-11 00:34:24,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-10-11 00:34:24,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-10-11 00:34:24,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-10-11 00:34:24,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2024-10-11 00:34:24,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2024-10-11 00:34:24,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#7 [2024-10-11 00:34:24,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#8 [2024-10-11 00:34:24,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#9 [2024-10-11 00:34:24,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#10 [2024-10-11 00:34:24,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#11 [2024-10-11 00:34:24,527 INFO L130 BoogieDeclarations]: Found specification of procedure atan_double [2024-10-11 00:34:24,527 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_double [2024-10-11 00:34:24,527 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 00:34:24,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 00:34:24,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-11 00:34:24,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-11 00:34:24,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-11 00:34:24,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-11 00:34:24,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-11 00:34:24,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-11 00:34:24,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-11 00:34:24,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-10-11 00:34:24,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-10-11 00:34:24,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-10-11 00:34:24,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-10-11 00:34:24,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-10-11 00:34:24,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2024-10-11 00:34:24,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2024-10-11 00:34:24,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2024-10-11 00:34:24,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2024-10-11 00:34:24,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2024-10-11 00:34:24,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2024-10-11 00:34:24,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#6 [2024-10-11 00:34:24,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#7 [2024-10-11 00:34:24,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#8 [2024-10-11 00:34:24,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#9 [2024-10-11 00:34:24,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#10 [2024-10-11 00:34:24,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#11 [2024-10-11 00:34:24,530 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-11 00:34:24,713 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 00:34:24,714 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 00:34:25,291 INFO L? ?]: Removed 79 outVars from TransFormulas that were not future-live. [2024-10-11 00:34:25,293 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 00:34:25,330 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 00:34:25,331 INFO L314 CfgBuilder]: Removed 16 assume(true) statements. [2024-10-11 00:34:25,331 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:34:25 BoogieIcfgContainer [2024-10-11 00:34:25,331 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 00:34:25,334 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 00:34:25,335 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 00:34:25,339 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 00:34:25,339 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:34:23" (1/3) ... [2024-10-11 00:34:25,341 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b00976f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:34:25, skipping insertion in model container [2024-10-11 00:34:25,341 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:24" (2/3) ... [2024-10-11 00:34:25,341 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b00976f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:34:25, skipping insertion in model container [2024-10-11 00:34:25,342 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:34:25" (3/3) ... [2024-10-11 00:34:25,343 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0680a.c [2024-10-11 00:34:25,358 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 00:34:25,358 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 00:34:25,418 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 00:34:25,427 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;@7126560d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 00:34:25,427 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 00:34:25,433 INFO L276 IsEmpty]: Start isEmpty. Operand has 110 states, 102 states have (on average 1.7058823529411764) internal successors, (174), 103 states have internal predecessors, (174), 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) [2024-10-11 00:34:25,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-10-11 00:34:25,441 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 00:34:25,442 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 00:34:25,442 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 00:34:25,449 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 00:34:25,450 INFO L85 PathProgramCache]: Analyzing trace with hash -1217731211, now seen corresponding path program 1 times [2024-10-11 00:34:25,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 00:34:25,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362925091] [2024-10-11 00:34:25,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 00:34:25,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 00:34:25,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 00:34:25,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 00:34:25,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 00:34:25,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362925091] [2024-10-11 00:34:25,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [362925091] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 00:34:25,681 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 00:34:25,681 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 00:34:25,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586826881] [2024-10-11 00:34:25,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 00:34:25,687 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 00:34:25,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 00:34:25,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 00:34:25,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 00:34:25,721 INFO L87 Difference]: Start difference. First operand has 110 states, 102 states have (on average 1.7058823529411764) internal successors, (174), 103 states have internal predecessors, (174), 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 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 00:34:25,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 00:34:25,776 INFO L93 Difference]: Finished difference Result 219 states and 367 transitions. [2024-10-11 00:34:25,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 00:34:25,778 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2024-10-11 00:34:25,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 00:34:25,784 INFO L225 Difference]: With dead ends: 219 [2024-10-11 00:34:25,785 INFO L226 Difference]: Without dead ends: 108 [2024-10-11 00:34:25,789 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 [2024-10-11 00:34:25,792 INFO L432 NwaCegarLoop]: 158 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 00:34:25,793 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 158 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 00:34:25,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2024-10-11 00:34:25,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2024-10-11 00:34:25,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 101 states have (on average 1.5346534653465347) internal successors, (155), 101 states have internal predecessors, (155), 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) [2024-10-11 00:34:25,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 163 transitions. [2024-10-11 00:34:25,851 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 163 transitions. Word has length 13 [2024-10-11 00:34:25,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 00:34:25,852 INFO L471 AbstractCegarLoop]: Abstraction has 108 states and 163 transitions. [2024-10-11 00:34:25,852 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 00:34:25,853 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 163 transitions. [2024-10-11 00:34:25,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-10-11 00:34:25,854 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 00:34:25,854 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 00:34:25,856 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 00:34:25,857 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 00:34:25,857 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 00:34:25,858 INFO L85 PathProgramCache]: Analyzing trace with hash -370902850, now seen corresponding path program 1 times [2024-10-11 00:34:25,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 00:34:25,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848067320] [2024-10-11 00:34:25,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 00:34:25,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 00:34:25,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 00:34:26,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 00:34:26,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 00:34:26,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848067320] [2024-10-11 00:34:26,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1848067320] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 00:34:26,286 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 00:34:26,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 00:34:26,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691256764] [2024-10-11 00:34:26,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 00:34:26,288 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 00:34:26,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 00:34:26,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 00:34:26,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 00:34:26,290 INFO L87 Difference]: Start difference. First operand 108 states and 163 transitions. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 00:34:26,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 00:34:26,350 INFO L93 Difference]: Finished difference Result 196 states and 298 transitions. [2024-10-11 00:34:26,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 00:34:26,350 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2024-10-11 00:34:26,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 00:34:26,352 INFO L225 Difference]: With dead ends: 196 [2024-10-11 00:34:26,352 INFO L226 Difference]: Without dead ends: 110 [2024-10-11 00:34:26,353 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 [2024-10-11 00:34:26,354 INFO L432 NwaCegarLoop]: 155 mSDtfsCounter, 0 mSDsluCounter, 299 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 454 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 00:34:26,355 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 454 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 00:34:26,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2024-10-11 00:34:26,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2024-10-11 00:34:26,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 103 states have (on average 1.5242718446601942) internal successors, (157), 103 states have internal predecessors, (157), 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) [2024-10-11 00:34:26,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 165 transitions. [2024-10-11 00:34:26,373 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 165 transitions. Word has length 15 [2024-10-11 00:34:26,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 00:34:26,373 INFO L471 AbstractCegarLoop]: Abstraction has 110 states and 165 transitions. [2024-10-11 00:34:26,374 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 00:34:26,374 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 165 transitions. [2024-10-11 00:34:26,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-10-11 00:34:26,374 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 00:34:26,374 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 00:34:26,375 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 00:34:26,375 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 00:34:26,376 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 00:34:26,377 INFO L85 PathProgramCache]: Analyzing trace with hash 313674571, now seen corresponding path program 1 times [2024-10-11 00:34:26,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 00:34:26,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797095524] [2024-10-11 00:34:26,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 00:34:26,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 00:34:26,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-11 00:34:26,435 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-11 00:34:26,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-11 00:34:26,521 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-11 00:34:26,521 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-11 00:34:26,523 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-11 00:34:26,526 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 00:34:26,529 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-10-11 00:34:26,558 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Unable to backtranslate 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, there is no C type to represent it. at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Boogie2ACSL.translateIntegerLiteral(Boogie2ACSL.java:341) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Boogie2ACSL.translateExpression(Boogie2ACSL.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Boogie2ACSL.translateExpression(Boogie2ACSL.java:89) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.translateExpressionWithContext(CACSL2BoogieBacktranslator.java:936) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.translateExpression(CACSL2BoogieBacktranslator.java:941) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.translateExpressionForProgramState(CACSL2BoogieBacktranslator.java:930) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.translateProgramStateEntry(CACSL2BoogieBacktranslator.java:613) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.translateProgramState(CACSL2BoogieBacktranslator.java:593) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.translateProgramExecution(CACSL2BoogieBacktranslator.java:267) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:236) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:245) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:245) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:245) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:223) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.BacktranslationService.translateProgramExecution(BacktranslationService.java:72) at de.uni_freiburg.informatik.ultimate.core.lib.results.UnprovableResult.(UnprovableResult.java:107) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResultReporter.reportUnproveableResult(CegarLoopResultReporter.java:178) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResultReporter.reportCounterexampleResult(CegarLoopResultReporter.java:152) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResultReporter.reportCegarLoopResult(CegarLoopResultReporter.java:107) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:323) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:268) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-10-11 00:34:26,565 INFO L158 Benchmark]: Toolchain (without parser) took 2759.75ms. Allocated memory is still 176.2MB. Free memory was 105.8MB in the beginning and 112.6MB in the end (delta: -6.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 00:34:26,565 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 176.2MB. Free memory was 132.1MB in the beginning and 131.9MB in the end (delta: 160.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 00:34:26,566 INFO L158 Benchmark]: CACSL2BoogieTranslator took 381.83ms. Allocated memory is still 176.2MB. Free memory was 105.4MB in the beginning and 89.1MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-10-11 00:34:26,566 INFO L158 Benchmark]: Boogie Procedure Inliner took 88.11ms. Allocated memory is still 176.2MB. Free memory was 89.0MB in the beginning and 146.8MB in the end (delta: -57.9MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. [2024-10-11 00:34:26,566 INFO L158 Benchmark]: Boogie Preprocessor took 130.60ms. Allocated memory is still 176.2MB. Free memory was 146.5MB in the beginning and 141.6MB in the end (delta: 4.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-11 00:34:26,567 INFO L158 Benchmark]: RCFGBuilder took 917.78ms. Allocated memory is still 176.2MB. Free memory was 141.0MB in the beginning and 101.1MB in the end (delta: 39.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2024-10-11 00:34:26,569 INFO L158 Benchmark]: TraceAbstraction took 1229.64ms. Allocated memory is still 176.2MB. Free memory was 100.4MB in the beginning and 112.6MB in the end (delta: -12.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 00:34:26,573 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 176.2MB. Free memory was 132.1MB in the beginning and 131.9MB in the end (delta: 160.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 381.83ms. Allocated memory is still 176.2MB. Free memory was 105.4MB in the beginning and 89.1MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 88.11ms. Allocated memory is still 176.2MB. Free memory was 89.0MB in the beginning and 146.8MB in the end (delta: -57.9MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 130.60ms. Allocated memory is still 176.2MB. Free memory was 146.5MB in the beginning and 141.6MB in the end (delta: 4.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 917.78ms. Allocated memory is still 176.2MB. Free memory was 141.0MB in the beginning and 101.1MB in the end (delta: 39.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1229.64ms. Allocated memory is still 176.2MB. Free memory was 100.4MB in the beginning and 112.6MB in the end (delta: -12.1MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - ExceptionOrErrorResult: UnsupportedOperationException: Unable to backtranslate 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, there is no C type to represent it. de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Unable to backtranslate 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, there is no C type to represent it.: de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Boogie2ACSL.translateIntegerLiteral(Boogie2ACSL.java:341) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-10-11 00:34:26,609 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0680a.c -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 4eed4446e0f432c6be204cca890b68b3d1d04721717deb663609d1d77477b2e5 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 00:34:28,796 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 00:34:28,867 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-10-11 00:34:28,874 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 00:34:28,874 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 00:34:28,905 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 00:34:28,905 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 00:34:28,906 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 00:34:28,907 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 00:34:28,908 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 00:34:28,908 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 00:34:28,909 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 00:34:28,909 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 00:34:28,910 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 00:34:28,911 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 00:34:28,911 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 00:34:28,911 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 00:34:28,912 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 00:34:28,912 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 00:34:28,912 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 00:34:28,913 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 00:34:28,914 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 00:34:28,914 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 00:34:28,915 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-11 00:34:28,915 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-11 00:34:28,915 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 00:34:28,916 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-11 00:34:28,916 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 00:34:28,916 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 00:34:28,916 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 00:34:28,917 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 00:34:28,917 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 00:34:28,917 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 00:34:28,918 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 00:34:28,918 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 00:34:28,918 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 00:34:28,919 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 00:34:28,919 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 00:34:28,919 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-11 00:34:28,919 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-11 00:34:28,920 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 00:34:28,920 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 00:34:28,920 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 00:34:28,921 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 00:34:28,921 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-11 00:34:28,921 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4eed4446e0f432c6be204cca890b68b3d1d04721717deb663609d1d77477b2e5 [2024-10-11 00:34:29,273 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 00:34:29,293 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 00:34:29,296 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 00:34:29,298 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 00:34:29,298 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 00:34:29,300 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0680a.c [2024-10-11 00:34:30,902 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 00:34:31,111 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 00:34:31,112 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0680a.c [2024-10-11 00:34:31,120 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/2e8c0c294/cfef8c29fa484af1bc2600a7456022e7/FLAGb68c39869 [2024-10-11 00:34:31,480 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/2e8c0c294/cfef8c29fa484af1bc2600a7456022e7 [2024-10-11 00:34:31,482 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 00:34:31,483 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 00:34:31,485 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 00:34:31,485 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 00:34:31,490 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 00:34:31,491 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:34:31" (1/1) ... [2024-10-11 00:34:31,492 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b9f8ded and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:31, skipping insertion in model container [2024-10-11 00:34:31,492 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:34:31" (1/1) ... [2024-10-11 00:34:31,520 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 00:34:31,821 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_0680a.c[6165,6178] [2024-10-11 00:34:31,827 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 00:34:31,851 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 00:34:31,919 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_0680a.c[6165,6178] [2024-10-11 00:34:31,920 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 00:34:31,952 INFO L204 MainTranslator]: Completed translation [2024-10-11 00:34:31,953 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:31 WrapperNode [2024-10-11 00:34:31,953 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 00:34:31,954 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 00:34:31,954 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 00:34:31,954 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 00:34:31,961 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:31" (1/1) ... [2024-10-11 00:34:31,982 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:31" (1/1) ... [2024-10-11 00:34:32,020 INFO L138 Inliner]: procedures = 22, calls = 87, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 224 [2024-10-11 00:34:32,020 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 00:34:32,021 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 00:34:32,021 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 00:34:32,021 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 00:34:32,033 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:31" (1/1) ... [2024-10-11 00:34:32,034 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:31" (1/1) ... [2024-10-11 00:34:32,042 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:31" (1/1) ... [2024-10-11 00:34:32,085 INFO L175 MemorySlicer]: Split 58 memory accesses to 12 slices as follows [3, 2, 2, 7, 7, 22, 3, 2, 2, 3, 3, 2]. 38 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]. The 10 writes are split as follows [2, 0, 1, 0, 0, 0, 2, 1, 1, 1, 1, 1]. [2024-10-11 00:34:32,089 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:31" (1/1) ... [2024-10-11 00:34:32,089 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:31" (1/1) ... [2024-10-11 00:34:32,119 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:31" (1/1) ... [2024-10-11 00:34:32,128 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:31" (1/1) ... [2024-10-11 00:34:32,141 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:31" (1/1) ... [2024-10-11 00:34:32,145 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:31" (1/1) ... [2024-10-11 00:34:32,151 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 00:34:32,152 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 00:34:32,152 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 00:34:32,152 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 00:34:32,153 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:31" (1/1) ... [2024-10-11 00:34:32,165 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 00:34:32,181 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 00:34:32,199 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 00:34:32,206 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 00:34:32,251 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 00:34:32,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2024-10-11 00:34:32,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2024-10-11 00:34:32,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2 [2024-10-11 00:34:32,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#3 [2024-10-11 00:34:32,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#4 [2024-10-11 00:34:32,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#5 [2024-10-11 00:34:32,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#6 [2024-10-11 00:34:32,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#7 [2024-10-11 00:34:32,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#8 [2024-10-11 00:34:32,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#9 [2024-10-11 00:34:32,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#10 [2024-10-11 00:34:32,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#11 [2024-10-11 00:34:32,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2024-10-11 00:34:32,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2024-10-11 00:34:32,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#2 [2024-10-11 00:34:32,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#3 [2024-10-11 00:34:32,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#4 [2024-10-11 00:34:32,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#5 [2024-10-11 00:34:32,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#6 [2024-10-11 00:34:32,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#7 [2024-10-11 00:34:32,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#8 [2024-10-11 00:34:32,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#9 [2024-10-11 00:34:32,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#10 [2024-10-11 00:34:32,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#11 [2024-10-11 00:34:32,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-11 00:34:32,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-10-11 00:34:32,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-10-11 00:34:32,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-10-11 00:34:32,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-10-11 00:34:32,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-10-11 00:34:32,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-10-11 00:34:32,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-10-11 00:34:32,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-10-11 00:34:32,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2024-10-11 00:34:32,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2024-10-11 00:34:32,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2024-10-11 00:34:32,257 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-11 00:34:32,257 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2024-10-11 00:34:32,257 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2024-10-11 00:34:32,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#0 [2024-10-11 00:34:32,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#1 [2024-10-11 00:34:32,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#2 [2024-10-11 00:34:32,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#3 [2024-10-11 00:34:32,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#4 [2024-10-11 00:34:32,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#5 [2024-10-11 00:34:32,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#6 [2024-10-11 00:34:32,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#7 [2024-10-11 00:34:32,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#8 [2024-10-11 00:34:32,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#9 [2024-10-11 00:34:32,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#10 [2024-10-11 00:34:32,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#11 [2024-10-11 00:34:32,259 INFO L130 BoogieDeclarations]: Found specification of procedure atan_double [2024-10-11 00:34:32,259 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_double [2024-10-11 00:34:32,260 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-10-11 00:34:32,260 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-10-11 00:34:32,260 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-10-11 00:34:32,260 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-10-11 00:34:32,260 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-10-11 00:34:32,260 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-10-11 00:34:32,260 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-10-11 00:34:32,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-10-11 00:34:32,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2024-10-11 00:34:32,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2024-10-11 00:34:32,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2024-10-11 00:34:32,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#11 [2024-10-11 00:34:32,261 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 00:34:32,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 00:34:32,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-10-11 00:34:32,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-10-11 00:34:32,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-10-11 00:34:32,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-10-11 00:34:32,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-10-11 00:34:32,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-10-11 00:34:32,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-10-11 00:34:32,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-10-11 00:34:32,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2024-10-11 00:34:32,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2024-10-11 00:34:32,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2024-10-11 00:34:32,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#11 [2024-10-11 00:34:32,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-11 00:34:32,469 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 00:34:32,473 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 00:35:15,631 INFO L? ?]: Removed 85 outVars from TransFormulas that were not future-live. [2024-10-11 00:35:15,631 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 00:35:15,715 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 00:35:15,715 INFO L314 CfgBuilder]: Removed 16 assume(true) statements. [2024-10-11 00:35:15,715 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:35:15 BoogieIcfgContainer [2024-10-11 00:35:15,715 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 00:35:15,719 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 00:35:15,720 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 00:35:15,723 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 00:35:15,724 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:34:31" (1/3) ... [2024-10-11 00:35:15,724 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54e3f281 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:35:15, skipping insertion in model container [2024-10-11 00:35:15,725 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:31" (2/3) ... [2024-10-11 00:35:15,726 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54e3f281 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:35:15, skipping insertion in model container [2024-10-11 00:35:15,726 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:35:15" (3/3) ... [2024-10-11 00:35:15,728 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0680a.c [2024-10-11 00:35:15,747 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 00:35:15,748 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 00:35:15,816 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 00:35:15,823 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;@1180b34d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 00:35:15,823 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 00:35:15,828 INFO L276 IsEmpty]: Start isEmpty. Operand has 79 states, 71 states have (on average 1.7464788732394365) internal successors, (124), 72 states have internal predecessors, (124), 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) [2024-10-11 00:35:15,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-10-11 00:35:15,835 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 00:35:15,835 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 00:35:15,836 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 00:35:15,842 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 00:35:15,843 INFO L85 PathProgramCache]: Analyzing trace with hash -2134008556, now seen corresponding path program 1 times [2024-10-11 00:35:15,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-11 00:35:15,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1615680997] [2024-10-11 00:35:15,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 00:35:15,861 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 [2024-10-11 00:35:15,861 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-11 00:35:15,865 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/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) [2024-10-11 00:35:15,866 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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 [2024-10-11 00:35:16,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 00:35:16,258 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-11 00:35:16,262 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 00:35:16,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 00:35:16,282 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 00:35:16,282 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-11 00:35:16,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1615680997] [2024-10-11 00:35:16,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1615680997] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 00:35:16,284 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 00:35:16,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 00:35:16,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589282255] [2024-10-11 00:35:16,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 00:35:16,294 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 00:35:16,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-11 00:35:16,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 00:35:16,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 00:35:16,337 INFO L87 Difference]: Start difference. First operand has 79 states, 71 states have (on average 1.7464788732394365) internal successors, (124), 72 states have internal predecessors, (124), 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 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) [2024-10-11 00:35:16,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 00:35:16,832 INFO L93 Difference]: Finished difference Result 157 states and 267 transitions. [2024-10-11 00:35:16,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 00:35:16,835 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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 9 [2024-10-11 00:35:16,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 00:35:16,844 INFO L225 Difference]: With dead ends: 157 [2024-10-11 00:35:16,844 INFO L226 Difference]: Without dead ends: 77 [2024-10-11 00:35:16,848 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 00:35:16,852 INFO L432 NwaCegarLoop]: 108 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 00:35:16,853 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 108 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 00:35:16,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2024-10-11 00:35:16,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2024-10-11 00:35:16,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 70 states have (on average 1.5) internal successors, (105), 70 states have internal predecessors, (105), 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) [2024-10-11 00:35:16,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 113 transitions. [2024-10-11 00:35:16,893 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 113 transitions. Word has length 9 [2024-10-11 00:35:16,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 00:35:16,893 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 113 transitions. [2024-10-11 00:35:16,893 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) [2024-10-11 00:35:16,894 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 113 transitions. [2024-10-11 00:35:16,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-10-11 00:35:16,894 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 00:35:16,895 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 00:35:16,908 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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 [2024-10-11 00:35:17,095 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-clean/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 [2024-10-11 00:35:17,096 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 00:35:17,097 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 00:35:17,097 INFO L85 PathProgramCache]: Analyzing trace with hash -2040576483, now seen corresponding path program 1 times [2024-10-11 00:35:17,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-11 00:35:17,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1813937203] [2024-10-11 00:35:17,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 00:35:17,098 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 [2024-10-11 00:35:17,098 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-11 00:35:17,117 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-clean/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) [2024-10-11 00:35:17,119 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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 [2024-10-11 00:35:17,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 00:35:17,480 INFO L255 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-11 00:35:17,484 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 00:35:24,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 00:35:24,633 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 00:35:24,633 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-11 00:35:24,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1813937203] [2024-10-11 00:35:24,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1813937203] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 00:35:24,634 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 00:35:24,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-11 00:35:24,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907455832] [2024-10-11 00:35:24,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 00:35:24,636 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 00:35:24,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-11 00:35:24,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 00:35:24,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-11 00:35:24,640 INFO L87 Difference]: Start difference. First operand 77 states and 113 transitions. Second operand has 7 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 6 states have internal predecessors, (11), 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) [2024-10-11 00:35:35,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 00:35:35,777 INFO L93 Difference]: Finished difference Result 139 states and 196 transitions. [2024-10-11 00:35:35,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-11 00:35:35,781 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 6 states have internal predecessors, (11), 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 11 [2024-10-11 00:35:35,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 00:35:35,782 INFO L225 Difference]: With dead ends: 139 [2024-10-11 00:35:35,783 INFO L226 Difference]: Without dead ends: 79 [2024-10-11 00:35:35,783 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 9.5s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2024-10-11 00:35:35,784 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 139 mSDsluCounter, 275 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 346 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2024-10-11 00:35:35,785 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 346 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2024-10-11 00:35:35,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2024-10-11 00:35:35,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 66. [2024-10-11 00:35:35,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 60 states have (on average 1.3666666666666667) internal successors, (82), 60 states have internal predecessors, (82), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-11 00:35:35,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 88 transitions. [2024-10-11 00:35:35,793 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 88 transitions. Word has length 11 [2024-10-11 00:35:35,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 00:35:35,794 INFO L471 AbstractCegarLoop]: Abstraction has 66 states and 88 transitions. [2024-10-11 00:35:35,794 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 6 states have internal predecessors, (11), 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) [2024-10-11 00:35:35,794 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 88 transitions. [2024-10-11 00:35:35,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-10-11 00:35:35,795 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 00:35:35,795 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 00:35:35,815 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-10-11 00:35:35,995 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate-clean/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 [2024-10-11 00:35:35,996 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 00:35:35,997 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 00:35:35,997 INFO L85 PathProgramCache]: Analyzing trace with hash 1544643026, now seen corresponding path program 1 times [2024-10-11 00:35:35,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-11 00:35:35,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [185071103] [2024-10-11 00:35:35,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 00:35:35,998 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 [2024-10-11 00:35:35,998 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-11 00:35:35,999 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-clean/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) [2024-10-11 00:35:36,001 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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 [2024-10-11 00:35:36,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 00:35:36,466 INFO L255 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-11 00:35:36,471 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 00:35:40,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 00:35:40,196 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 00:35:40,196 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-11 00:35:40,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [185071103] [2024-10-11 00:35:40,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [185071103] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 00:35:40,197 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 00:35:40,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 00:35:40,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277924016] [2024-10-11 00:35:40,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 00:35:40,197 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 00:35:40,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-11 00:35:40,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 00:35:40,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 00:35:40,199 INFO L87 Difference]: Start difference. First operand 66 states and 88 transitions. Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 00:35:44,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 00:35:44,348 INFO L93 Difference]: Finished difference Result 118 states and 157 transitions. [2024-10-11 00:35:44,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 00:35:44,352 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2024-10-11 00:35:44,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 00:35:44,354 INFO L225 Difference]: With dead ends: 118 [2024-10-11 00:35:44,354 INFO L226 Difference]: Without dead ends: 67 [2024-10-11 00:35:44,355 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-11 00:35:44,356 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 40 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 268 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-10-11 00:35:44,356 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 268 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-10-11 00:35:44,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2024-10-11 00:35:44,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 66. [2024-10-11 00:35:44,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 60 states have (on average 1.35) internal successors, (81), 60 states have internal predecessors, (81), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-11 00:35:44,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 87 transitions. [2024-10-11 00:35:44,371 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 87 transitions. Word has length 14 [2024-10-11 00:35:44,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 00:35:44,373 INFO L471 AbstractCegarLoop]: Abstraction has 66 states and 87 transitions. [2024-10-11 00:35:44,373 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 00:35:44,374 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 87 transitions. [2024-10-11 00:35:44,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-10-11 00:35:44,374 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 00:35:44,374 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 00:35:44,397 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-10-11 00:35:44,575 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate-clean/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 [2024-10-11 00:35:44,575 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 00:35:44,576 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 00:35:44,576 INFO L85 PathProgramCache]: Analyzing trace with hash 122947056, now seen corresponding path program 1 times [2024-10-11 00:35:44,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-11 00:35:44,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [285799366] [2024-10-11 00:35:44,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 00:35:44,577 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 [2024-10-11 00:35:44,577 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-11 00:35:44,580 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-clean/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) [2024-10-11 00:35:44,582 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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 (5)] Waiting until timeout for monitored process [2024-10-11 00:35:44,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 00:35:44,873 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-11 00:35:44,875 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 00:35:49,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 00:35:49,083 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 00:35:49,083 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-11 00:35:49,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [285799366] [2024-10-11 00:35:49,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [285799366] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 00:35:49,088 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 00:35:49,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 00:35:49,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197785737] [2024-10-11 00:35:49,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 00:35:49,090 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 00:35:49,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-11 00:35:49,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 00:35:49,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-11 00:35:49,092 INFO L87 Difference]: Start difference. First operand 66 states and 87 transitions. Second operand has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)