./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_0686b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0686b.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d49870e69541330ed9c43cbd05e2f521c52af3f7516e76ef84930ba6589bf389 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-12 17:17:45,713 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-12 17:17:45,774 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-12 17:17:45,780 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-12 17:17:45,781 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-12 17:17:45,808 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-12 17:17:45,811 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-12 17:17:45,811 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-12 17:17:45,812 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-12 17:17:45,812 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-12 17:17:45,812 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-12 17:17:45,813 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-12 17:17:45,813 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-12 17:17:45,814 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-12 17:17:45,815 INFO L153 SettingsManager]: * Use SBE=true [2024-10-12 17:17:45,816 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-12 17:17:45,816 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-12 17:17:45,816 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-12 17:17:45,817 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-12 17:17:45,817 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-12 17:17:45,817 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-12 17:17:45,820 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-12 17:17:45,820 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-12 17:17:45,821 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-12 17:17:45,821 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-12 17:17:45,821 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-12 17:17:45,821 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-12 17:17:45,822 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-12 17:17:45,822 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-12 17:17:45,822 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-12 17:17:45,822 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-12 17:17:45,823 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-12 17:17:45,823 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-12 17:17:45,823 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-12 17:17:45,823 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-12 17:17:45,824 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-12 17:17:45,824 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-12 17:17:45,824 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-12 17:17:45,824 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-12 17:17:45,824 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-12 17:17:45,825 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-12 17:17:45,826 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-12 17:17:45,827 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d49870e69541330ed9c43cbd05e2f521c52af3f7516e76ef84930ba6589bf389 [2024-10-12 17:17:46,069 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-12 17:17:46,094 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-12 17:17:46,097 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-12 17:17:46,098 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-12 17:17:46,098 INFO L274 PluginConnector]: CDTParser initialized [2024-10-12 17:17:46,100 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0686b.c [2024-10-12 17:17:47,529 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-12 17:17:47,701 INFO L384 CDTParser]: Found 1 translation units. [2024-10-12 17:17:47,702 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0686b.c [2024-10-12 17:17:47,715 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70176469a/0588c0a2ebb94bb08a2b9c888ae46466/FLAG5c79c2a7f [2024-10-12 17:17:47,735 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70176469a/0588c0a2ebb94bb08a2b9c888ae46466 [2024-10-12 17:17:47,737 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-12 17:17:47,739 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-12 17:17:47,742 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-12 17:17:47,742 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-12 17:17:47,754 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-12 17:17:47,755 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 05:17:47" (1/1) ... [2024-10-12 17:17:47,759 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34a42921 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:17:47, skipping insertion in model container [2024-10-12 17:17:47,759 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 05:17:47" (1/1) ... [2024-10-12 17:17:47,798 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-12 17:17:48,181 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_0686b.c[6207,6220] [2024-10-12 17:17:48,192 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-12 17:17:48,216 INFO L200 MainTranslator]: Completed pre-run [2024-10-12 17:17:48,304 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_0686b.c[6207,6220] [2024-10-12 17:17:48,314 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-12 17:17:48,338 INFO L204 MainTranslator]: Completed translation [2024-10-12 17:17:48,339 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:17:48 WrapperNode [2024-10-12 17:17:48,339 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-12 17:17:48,340 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-12 17:17:48,341 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-12 17:17:48,341 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-12 17:17:48,346 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:17:48" (1/1) ... [2024-10-12 17:17:48,358 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:17:48" (1/1) ... [2024-10-12 17:17:48,385 INFO L138 Inliner]: procedures = 19, calls = 87, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 307 [2024-10-12 17:17:48,386 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-12 17:17:48,386 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-12 17:17:48,387 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-12 17:17:48,387 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-12 17:17:48,397 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:17:48" (1/1) ... [2024-10-12 17:17:48,397 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:17:48" (1/1) ... [2024-10-12 17:17:48,401 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:17:48" (1/1) ... [2024-10-12 17:17:48,424 INFO L175 MemorySlicer]: Split 58 memory accesses to 12 slices as follows [2, 2, 2, 7, 3, 7, 3, 22, 2, 3, 3, 2]. 38 percent of accesses are in the largest equivalence class. The 21 initializations are split as follows [2, 0, 0, 4, 0, 4, 0, 11, 0, 0, 0, 0]. The 10 writes are split as follows [0, 1, 1, 0, 1, 0, 1, 0, 1, 2, 2, 1]. [2024-10-12 17:17:48,424 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:17:48" (1/1) ... [2024-10-12 17:17:48,425 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:17:48" (1/1) ... [2024-10-12 17:17:48,437 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:17:48" (1/1) ... [2024-10-12 17:17:48,443 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:17:48" (1/1) ... [2024-10-12 17:17:48,446 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:17:48" (1/1) ... [2024-10-12 17:17:48,449 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:17:48" (1/1) ... [2024-10-12 17:17:48,456 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-12 17:17:48,457 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-12 17:17:48,457 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-12 17:17:48,457 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-12 17:17:48,458 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:17:48" (1/1) ... [2024-10-12 17:17:48,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-12 17:17:48,498 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 17:17:48,519 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-12 17:17:48,523 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-12 17:17:48,588 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-12 17:17:48,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-12 17:17:48,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-12 17:17:48,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-12 17:17:48,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-12 17:17:48,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-12 17:17:48,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-12 17:17:48,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-12 17:17:48,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-10-12 17:17:48,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-10-12 17:17:48,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-10-12 17:17:48,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-10-12 17:17:48,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-10-12 17:17:48,590 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-12 17:17:48,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-10-12 17:17:48,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-10-12 17:17:48,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-10-12 17:17:48,591 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-10-12 17:17:48,591 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-10-12 17:17:48,591 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2024-10-12 17:17:48,591 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2024-10-12 17:17:48,591 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2024-10-12 17:17:48,591 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#8 [2024-10-12 17:17:48,591 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#9 [2024-10-12 17:17:48,591 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#10 [2024-10-12 17:17:48,592 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#11 [2024-10-12 17:17:48,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-12 17:17:48,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-12 17:17:48,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-12 17:17:48,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-12 17:17:48,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-12 17:17:48,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-12 17:17:48,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-12 17:17:48,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-10-12 17:17:48,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-10-12 17:17:48,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-10-12 17:17:48,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-10-12 17:17:48,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-10-12 17:17:48,593 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2024-10-12 17:17:48,594 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2024-10-12 17:17:48,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-10-12 17:17:48,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-10-12 17:17:48,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-10-12 17:17:48,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-10-12 17:17:48,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-10-12 17:17:48,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2024-10-12 17:17:48,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2024-10-12 17:17:48,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#7 [2024-10-12 17:17:48,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#8 [2024-10-12 17:17:48,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#9 [2024-10-12 17:17:48,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#10 [2024-10-12 17:17:48,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#11 [2024-10-12 17:17:48,595 INFO L130 BoogieDeclarations]: Found specification of procedure atan_double [2024-10-12 17:17:48,596 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_double [2024-10-12 17:17:48,596 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-12 17:17:48,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-12 17:17:48,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-12 17:17:48,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-12 17:17:48,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-12 17:17:48,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-12 17:17:48,597 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-12 17:17:48,597 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-12 17:17:48,597 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-12 17:17:48,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-10-12 17:17:48,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-10-12 17:17:48,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-10-12 17:17:48,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-10-12 17:17:48,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-10-12 17:17:48,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2024-10-12 17:17:48,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2024-10-12 17:17:48,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2024-10-12 17:17:48,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2024-10-12 17:17:48,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2024-10-12 17:17:48,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2024-10-12 17:17:48,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#6 [2024-10-12 17:17:48,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#7 [2024-10-12 17:17:48,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#8 [2024-10-12 17:17:48,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#9 [2024-10-12 17:17:48,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#10 [2024-10-12 17:17:48,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#11 [2024-10-12 17:17:48,600 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-12 17:17:48,734 INFO L238 CfgBuilder]: Building ICFG [2024-10-12 17:17:48,736 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-12 17:17:49,238 INFO L? ?]: Removed 79 outVars from TransFormulas that were not future-live. [2024-10-12 17:17:49,239 INFO L287 CfgBuilder]: Performing block encoding [2024-10-12 17:17:49,264 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-12 17:17:49,265 INFO L314 CfgBuilder]: Removed 16 assume(true) statements. [2024-10-12 17:17:49,266 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:17:49 BoogieIcfgContainer [2024-10-12 17:17:49,266 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-12 17:17:49,268 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-12 17:17:49,268 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-12 17:17:49,271 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-12 17:17:49,271 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 05:17:47" (1/3) ... [2024-10-12 17:17:49,272 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f5a83b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 05:17:49, skipping insertion in model container [2024-10-12 17:17:49,272 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:17:48" (2/3) ... [2024-10-12 17:17:49,274 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f5a83b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 05:17:49, skipping insertion in model container [2024-10-12 17:17:49,274 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:17:49" (3/3) ... [2024-10-12 17:17:49,275 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0686b.c [2024-10-12 17:17:49,291 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-12 17:17:49,291 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-12 17:17:49,338 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-12 17:17:49,344 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;@1928f5c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-12 17:17:49,344 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-12 17:17:49,350 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) [2024-10-12 17:17:49,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-10-12 17:17:49,356 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 17:17:49,357 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 17:17:49,357 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 17:17:49,362 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 17:17:49,363 INFO L85 PathProgramCache]: Analyzing trace with hash -1217731211, now seen corresponding path program 1 times [2024-10-12 17:17:49,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 17:17:49,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001776805] [2024-10-12 17:17:49,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 17:17:49,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 17:17:49,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 17:17:49,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 17:17:49,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 17:17:49,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001776805] [2024-10-12 17:17:49,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1001776805] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 17:17:49,513 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 17:17:49,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-12 17:17:49,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737660802] [2024-10-12 17:17:49,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 17:17:49,518 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-12 17:17:49,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 17:17:49,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-12 17:17:49,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-12 17:17:49,543 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) [2024-10-12 17:17:49,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 17:17:49,595 INFO L93 Difference]: Finished difference Result 219 states and 367 transitions. [2024-10-12 17:17:49,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-12 17:17:49,598 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 [2024-10-12 17:17:49,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 17:17:49,607 INFO L225 Difference]: With dead ends: 219 [2024-10-12 17:17:49,607 INFO L226 Difference]: Without dead ends: 108 [2024-10-12 17:17:49,611 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 [2024-10-12 17:17:49,616 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 [2024-10-12 17:17:49,617 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] [2024-10-12 17:17:49,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2024-10-12 17:17:49,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2024-10-12 17:17:49,693 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) [2024-10-12 17:17:49,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 163 transitions. [2024-10-12 17:17:49,700 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 163 transitions. Word has length 13 [2024-10-12 17:17:49,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 17:17:49,701 INFO L471 AbstractCegarLoop]: Abstraction has 108 states and 163 transitions. [2024-10-12 17:17:49,701 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) [2024-10-12 17:17:49,701 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 163 transitions. [2024-10-12 17:17:49,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-10-12 17:17:49,703 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 17:17:49,704 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 17:17:49,704 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-12 17:17:49,704 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 17:17:49,704 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 17:17:49,705 INFO L85 PathProgramCache]: Analyzing trace with hash -370902850, now seen corresponding path program 1 times [2024-10-12 17:17:49,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 17:17:49,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473936426] [2024-10-12 17:17:49,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 17:17:49,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 17:17:49,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 17:17:50,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 17:17:50,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 17:17:50,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473936426] [2024-10-12 17:17:50,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [473936426] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 17:17:50,044 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 17:17:50,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-12 17:17:50,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495436155] [2024-10-12 17:17:50,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 17:17:50,045 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-12 17:17:50,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 17:17:50,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-12 17:17:50,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-12 17:17:50,051 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) [2024-10-12 17:17:50,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 17:17:50,120 INFO L93 Difference]: Finished difference Result 196 states and 298 transitions. [2024-10-12 17:17:50,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-12 17:17:50,121 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 [2024-10-12 17:17:50,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 17:17:50,125 INFO L225 Difference]: With dead ends: 196 [2024-10-12 17:17:50,126 INFO L226 Difference]: Without dead ends: 110 [2024-10-12 17:17:50,126 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 [2024-10-12 17:17:50,127 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 [2024-10-12 17:17:50,128 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] [2024-10-12 17:17:50,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2024-10-12 17:17:50,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2024-10-12 17:17:50,143 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) [2024-10-12 17:17:50,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 165 transitions. [2024-10-12 17:17:50,148 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 165 transitions. Word has length 15 [2024-10-12 17:17:50,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 17:17:50,148 INFO L471 AbstractCegarLoop]: Abstraction has 110 states and 165 transitions. [2024-10-12 17:17:50,148 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) [2024-10-12 17:17:50,149 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 165 transitions. [2024-10-12 17:17:50,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-10-12 17:17:50,149 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 17:17:50,149 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 17:17:50,149 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-12 17:17:50,150 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 17:17:50,150 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 17:17:50,150 INFO L85 PathProgramCache]: Analyzing trace with hash 313674571, now seen corresponding path program 1 times [2024-10-12 17:17:50,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 17:17:50,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885109554] [2024-10-12 17:17:50,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 17:17:50,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 17:17:50,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 17:17:50,203 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 17:17:50,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 17:17:50,286 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 17:17:50,287 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-12 17:17:50,288 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-12 17:17:50,289 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-12 17:17:50,293 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-10-12 17:17:50,320 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) [2024-10-12 17:17:50,325 INFO L158 Benchmark]: Toolchain (without parser) took 2586.73ms. Allocated memory was 151.0MB in the beginning and 213.9MB in the end (delta: 62.9MB). Free memory was 78.6MB in the beginning and 126.8MB in the end (delta: -48.2MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. [2024-10-12 17:17:50,327 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 151.0MB. Free memory was 102.7MB in the beginning and 102.5MB in the end (delta: 241.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-12 17:17:50,327 INFO L158 Benchmark]: CACSL2BoogieTranslator took 597.48ms. Allocated memory is still 151.0MB. Free memory was 78.5MB in the beginning and 62.0MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-10-12 17:17:50,329 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.07ms. Allocated memory is still 151.0MB. Free memory was 62.0MB in the beginning and 59.1MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-12 17:17:50,329 INFO L158 Benchmark]: Boogie Preprocessor took 69.53ms. Allocated memory is still 151.0MB. Free memory was 59.1MB in the beginning and 54.0MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-12 17:17:50,330 INFO L158 Benchmark]: RCFGBuilder took 809.29ms. Allocated memory was 151.0MB in the beginning and 213.9MB in the end (delta: 62.9MB). Free memory was 54.0MB in the beginning and 146.4MB in the end (delta: -92.4MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. [2024-10-12 17:17:50,330 INFO L158 Benchmark]: TraceAbstraction took 1056.96ms. Allocated memory is still 213.9MB. Free memory was 145.3MB in the beginning and 126.8MB in the end (delta: 18.5MB). Peak memory consumption was 15.4MB. Max. memory is 16.1GB. [2024-10-12 17:17:50,331 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 151.0MB. Free memory was 102.7MB in the beginning and 102.5MB in the end (delta: 241.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 597.48ms. Allocated memory is still 151.0MB. Free memory was 78.5MB in the beginning and 62.0MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.07ms. Allocated memory is still 151.0MB. Free memory was 62.0MB in the beginning and 59.1MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.53ms. Allocated memory is still 151.0MB. Free memory was 59.1MB in the beginning and 54.0MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 809.29ms. Allocated memory was 151.0MB in the beginning and 213.9MB in the end (delta: 62.9MB). Free memory was 54.0MB in the beginning and 146.4MB in the end (delta: -92.4MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. * TraceAbstraction took 1056.96ms. Allocated memory is still 213.9MB. Free memory was 145.3MB in the beginning and 126.8MB in the end (delta: 18.5MB). Peak memory consumption was 15.4MB. 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. [2024-10-12 17:17:50,358 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0686b.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d49870e69541330ed9c43cbd05e2f521c52af3f7516e76ef84930ba6589bf389 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-12 17:17:52,486 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-12 17:17:52,557 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-10-12 17:17:52,562 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-12 17:17:52,562 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-12 17:17:52,589 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-12 17:17:52,593 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-12 17:17:52,594 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-12 17:17:52,594 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-12 17:17:52,595 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-12 17:17:52,595 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-12 17:17:52,595 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-12 17:17:52,596 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-12 17:17:52,597 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-12 17:17:52,597 INFO L153 SettingsManager]: * Use SBE=true [2024-10-12 17:17:52,599 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-12 17:17:52,599 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-12 17:17:52,599 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-12 17:17:52,599 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-12 17:17:52,599 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-12 17:17:52,600 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-12 17:17:52,603 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-12 17:17:52,603 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-12 17:17:52,603 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-12 17:17:52,604 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-12 17:17:52,604 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-12 17:17:52,604 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-12 17:17:52,604 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-12 17:17:52,604 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-12 17:17:52,604 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-12 17:17:52,604 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-12 17:17:52,605 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-12 17:17:52,605 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-12 17:17:52,615 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-12 17:17:52,615 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-12 17:17:52,616 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-12 17:17:52,616 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-12 17:17:52,616 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-12 17:17:52,617 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-12 17:17:52,617 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-12 17:17:52,617 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-12 17:17:52,619 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-12 17:17:52,620 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-12 17:17:52,620 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-12 17:17:52,620 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-12 17:17:52,620 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d49870e69541330ed9c43cbd05e2f521c52af3f7516e76ef84930ba6589bf389 [2024-10-12 17:17:52,921 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-12 17:17:52,946 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-12 17:17:52,950 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-12 17:17:52,951 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-12 17:17:52,952 INFO L274 PluginConnector]: CDTParser initialized [2024-10-12 17:17:52,953 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0686b.c [2024-10-12 17:17:54,403 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-12 17:17:54,626 INFO L384 CDTParser]: Found 1 translation units. [2024-10-12 17:17:54,626 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0686b.c [2024-10-12 17:17:54,642 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f2d32910/a62838484aa94f9ea37983e2fd096a2d/FLAG75250ce43 [2024-10-12 17:17:54,987 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f2d32910/a62838484aa94f9ea37983e2fd096a2d [2024-10-12 17:17:54,990 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-12 17:17:54,991 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-12 17:17:54,994 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-12 17:17:54,994 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-12 17:17:54,999 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-12 17:17:55,000 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 05:17:54" (1/1) ... [2024-10-12 17:17:55,002 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@281392d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:17:55, skipping insertion in model container [2024-10-12 17:17:55,002 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 05:17:54" (1/1) ... [2024-10-12 17:17:55,031 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-12 17:17:55,236 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_0686b.c[6207,6220] [2024-10-12 17:17:55,242 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-12 17:17:55,259 INFO L200 MainTranslator]: Completed pre-run [2024-10-12 17:17:55,308 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_0686b.c[6207,6220] [2024-10-12 17:17:55,312 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-12 17:17:55,346 INFO L204 MainTranslator]: Completed translation [2024-10-12 17:17:55,346 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:17:55 WrapperNode [2024-10-12 17:17:55,346 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-12 17:17:55,348 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-12 17:17:55,348 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-12 17:17:55,348 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-12 17:17:55,354 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:17:55" (1/1) ... [2024-10-12 17:17:55,370 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:17:55" (1/1) ... [2024-10-12 17:17:55,398 INFO L138 Inliner]: procedures = 22, calls = 87, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 224 [2024-10-12 17:17:55,398 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-12 17:17:55,399 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-12 17:17:55,399 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-12 17:17:55,399 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-12 17:17:55,410 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:17:55" (1/1) ... [2024-10-12 17:17:55,411 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:17:55" (1/1) ... [2024-10-12 17:17:55,417 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:17:55" (1/1) ... [2024-10-12 17:17:55,450 INFO L175 MemorySlicer]: Split 58 memory accesses to 12 slices as follows [2, 3, 3, 2, 7, 7, 22, 2, 2, 3, 3, 2]. 38 percent of accesses are in the largest equivalence class. The 21 initializations are split as follows [2, 0, 0, 0, 4, 4, 11, 0, 0, 0, 0, 0]. The 10 writes are split as follows [0, 1, 1, 1, 0, 0, 0, 1, 1, 2, 2, 1]. [2024-10-12 17:17:55,451 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:17:55" (1/1) ... [2024-10-12 17:17:55,451 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:17:55" (1/1) ... [2024-10-12 17:17:55,475 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:17:55" (1/1) ... [2024-10-12 17:17:55,483 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:17:55" (1/1) ... [2024-10-12 17:17:55,488 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:17:55" (1/1) ... [2024-10-12 17:17:55,495 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:17:55" (1/1) ... [2024-10-12 17:17:55,508 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-12 17:17:55,509 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-12 17:17:55,509 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-12 17:17:55,509 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-12 17:17:55,510 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:17:55" (1/1) ... [2024-10-12 17:17:55,516 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-12 17:17:55,525 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 17:17:55,541 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-12 17:17:55,550 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-12 17:17:55,589 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-12 17:17:55,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2024-10-12 17:17:55,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2024-10-12 17:17:55,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2 [2024-10-12 17:17:55,591 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#3 [2024-10-12 17:17:55,591 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#4 [2024-10-12 17:17:55,592 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#5 [2024-10-12 17:17:55,592 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#6 [2024-10-12 17:17:55,592 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#7 [2024-10-12 17:17:55,592 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#8 [2024-10-12 17:17:55,592 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#9 [2024-10-12 17:17:55,593 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#10 [2024-10-12 17:17:55,593 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#11 [2024-10-12 17:17:55,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2024-10-12 17:17:55,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2024-10-12 17:17:55,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#2 [2024-10-12 17:17:55,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#3 [2024-10-12 17:17:55,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#4 [2024-10-12 17:17:55,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#5 [2024-10-12 17:17:55,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#6 [2024-10-12 17:17:55,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#7 [2024-10-12 17:17:55,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#8 [2024-10-12 17:17:55,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#9 [2024-10-12 17:17:55,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#10 [2024-10-12 17:17:55,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#11 [2024-10-12 17:17:55,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-12 17:17:55,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-10-12 17:17:55,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-10-12 17:17:55,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-10-12 17:17:55,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-10-12 17:17:55,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-10-12 17:17:55,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-10-12 17:17:55,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-10-12 17:17:55,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-10-12 17:17:55,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2024-10-12 17:17:55,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2024-10-12 17:17:55,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2024-10-12 17:17:55,599 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-12 17:17:55,599 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2024-10-12 17:17:55,599 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2024-10-12 17:17:55,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#0 [2024-10-12 17:17:55,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#1 [2024-10-12 17:17:55,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#2 [2024-10-12 17:17:55,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#3 [2024-10-12 17:17:55,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#4 [2024-10-12 17:17:55,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#5 [2024-10-12 17:17:55,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#6 [2024-10-12 17:17:55,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#7 [2024-10-12 17:17:55,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#8 [2024-10-12 17:17:55,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#9 [2024-10-12 17:17:55,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#10 [2024-10-12 17:17:55,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#11 [2024-10-12 17:17:55,600 INFO L130 BoogieDeclarations]: Found specification of procedure atan_double [2024-10-12 17:17:55,601 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_double [2024-10-12 17:17:55,601 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-10-12 17:17:55,601 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-10-12 17:17:55,601 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-10-12 17:17:55,601 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-10-12 17:17:55,601 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-10-12 17:17:55,601 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-10-12 17:17:55,601 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-10-12 17:17:55,601 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-10-12 17:17:55,601 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2024-10-12 17:17:55,601 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2024-10-12 17:17:55,601 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2024-10-12 17:17:55,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#11 [2024-10-12 17:17:55,602 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-12 17:17:55,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-12 17:17:55,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-10-12 17:17:55,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-10-12 17:17:55,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-10-12 17:17:55,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-10-12 17:17:55,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-10-12 17:17:55,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-10-12 17:17:55,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-10-12 17:17:55,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-10-12 17:17:55,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2024-10-12 17:17:55,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2024-10-12 17:17:55,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2024-10-12 17:17:55,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#11 [2024-10-12 17:17:55,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-12 17:17:55,758 INFO L238 CfgBuilder]: Building ICFG [2024-10-12 17:17:55,760 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-12 17:18:35,251 INFO L? ?]: Removed 85 outVars from TransFormulas that were not future-live. [2024-10-12 17:18:35,252 INFO L287 CfgBuilder]: Performing block encoding [2024-10-12 17:18:35,318 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-12 17:18:35,319 INFO L314 CfgBuilder]: Removed 16 assume(true) statements. [2024-10-12 17:18:35,319 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:18:35 BoogieIcfgContainer [2024-10-12 17:18:35,319 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-12 17:18:35,321 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-12 17:18:35,322 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-12 17:18:35,324 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-12 17:18:35,324 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 05:17:54" (1/3) ... [2024-10-12 17:18:35,325 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29466f85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 05:18:35, skipping insertion in model container [2024-10-12 17:18:35,325 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:17:55" (2/3) ... [2024-10-12 17:18:35,325 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29466f85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 05:18:35, skipping insertion in model container [2024-10-12 17:18:35,326 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:18:35" (3/3) ... [2024-10-12 17:18:35,326 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0686b.c [2024-10-12 17:18:35,340 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-12 17:18:35,340 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-12 17:18:35,387 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-12 17:18:35,392 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;@144f3cc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-12 17:18:35,392 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-12 17:18:35,395 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) [2024-10-12 17:18:35,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-10-12 17:18:35,400 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 17:18:35,400 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 17:18:35,401 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 17:18:35,408 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 17:18:35,408 INFO L85 PathProgramCache]: Analyzing trace with hash -2134008556, now seen corresponding path program 1 times [2024-10-12 17:18:35,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-12 17:18:35,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [528068379] [2024-10-12 17:18:35,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 17:18:35,421 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 [2024-10-12 17:18:35,421 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-12 17:18:35,424 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-12 17:18:35,428 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-10-12 17:18:35,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 17:18:35,770 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-12 17:18:35,773 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 17:18:35,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 17:18:35,786 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-12 17:18:35,787 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-12 17:18:35,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [528068379] [2024-10-12 17:18:35,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [528068379] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 17:18:35,789 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 17:18:35,789 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-12 17:18:35,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482388961] [2024-10-12 17:18:35,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 17:18:35,798 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-12 17:18:35,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-12 17:18:35,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-12 17:18:35,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-12 17:18:35,825 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) [2024-10-12 17:18:36,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 17:18:36,314 INFO L93 Difference]: Finished difference Result 157 states and 267 transitions. [2024-10-12 17:18:36,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-12 17:18:36,321 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 [2024-10-12 17:18:36,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 17:18:36,328 INFO L225 Difference]: With dead ends: 157 [2024-10-12 17:18:36,328 INFO L226 Difference]: Without dead ends: 77 [2024-10-12 17:18:36,332 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 [2024-10-12 17:18:36,334 INFO L432 NwaCegarLoop]: 108 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s 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 [2024-10-12 17:18:36,337 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] [2024-10-12 17:18:36,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2024-10-12 17:18:36,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2024-10-12 17:18:36,365 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) [2024-10-12 17:18:36,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 113 transitions. [2024-10-12 17:18:36,368 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 113 transitions. Word has length 9 [2024-10-12 17:18:36,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 17:18:36,368 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 113 transitions. [2024-10-12 17:18:36,369 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) [2024-10-12 17:18:36,369 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 113 transitions. [2024-10-12 17:18:36,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-10-12 17:18:36,369 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 17:18:36,369 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 17:18:36,381 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-10-12 17:18:36,573 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-12 17:18:36,574 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 17:18:36,575 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 17:18:36,575 INFO L85 PathProgramCache]: Analyzing trace with hash -2040576483, now seen corresponding path program 1 times [2024-10-12 17:18:36,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-12 17:18:36,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [872885253] [2024-10-12 17:18:36,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 17:18:36,578 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 [2024-10-12 17:18:36,578 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-12 17:18:36,579 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-12 17:18:36,580 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-10-12 17:18:36,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 17:18:36,952 INFO L255 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-10-12 17:18:36,955 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 17:18:45,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 17:18:45,214 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-12 17:18:45,214 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-12 17:18:45,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [872885253] [2024-10-12 17:18:45,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [872885253] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 17:18:45,214 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 17:18:45,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-12 17:18:45,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648765429] [2024-10-12 17:18:45,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 17:18:45,217 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-12 17:18:45,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-12 17:18:45,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-12 17:18:45,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-12 17:18:45,218 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) [2024-10-12 17:19:00,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 17:19:00,738 INFO L93 Difference]: Finished difference Result 137 states and 201 transitions. [2024-10-12 17:19:00,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-12 17:19:00,739 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 [2024-10-12 17:19:00,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 17:19:00,750 INFO L225 Difference]: With dead ends: 137 [2024-10-12 17:19:00,750 INFO L226 Difference]: Without dead ends: 70 [2024-10-12 17:19:00,750 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 13.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2024-10-12 17:19:00,751 INFO L432 NwaCegarLoop]: 84 mSDtfsCounter, 69 mSDsluCounter, 350 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 434 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2024-10-12 17:19:00,752 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 434 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 6.8s Time] [2024-10-12 17:19:00,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2024-10-12 17:19:00,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2024-10-12 17:19:00,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 64 states have (on average 1.421875) internal successors, (91), 64 states have internal predecessors, (91), 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) [2024-10-12 17:19:00,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 97 transitions. [2024-10-12 17:19:00,766 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 97 transitions. Word has length 11 [2024-10-12 17:19:00,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 17:19:00,767 INFO L471 AbstractCegarLoop]: Abstraction has 70 states and 97 transitions. [2024-10-12 17:19:00,767 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) [2024-10-12 17:19:00,768 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 97 transitions. [2024-10-12 17:19:00,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-10-12 17:19:00,769 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 17:19:00,769 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 17:19:00,798 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-10-12 17:19:00,969 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-12 17:19:00,970 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 17:19:00,970 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 17:19:00,970 INFO L85 PathProgramCache]: Analyzing trace with hash -1665220884, now seen corresponding path program 1 times [2024-10-12 17:19:00,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-12 17:19:00,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [906805502] [2024-10-12 17:19:00,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 17:19:00,971 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 [2024-10-12 17:19:00,971 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-12 17:19:00,973 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-12 17:19:00,975 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-10-12 17:19:01,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 17:19:01,421 INFO L255 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-12 17:19:01,425 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 17:19:05,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 17:19:05,089 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-12 17:19:05,089 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-12 17:19:05,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [906805502] [2024-10-12 17:19:05,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [906805502] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 17:19:05,089 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 17:19:05,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-12 17:19:05,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173302718] [2024-10-12 17:19:05,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 17:19:05,090 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-12 17:19:05,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-12 17:19:05,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-12 17:19:05,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-12 17:19:05,099 INFO L87 Difference]: Start difference. First operand 70 states and 97 transitions. Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 17:19:08,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 17:19:08,002 INFO L93 Difference]: Finished difference Result 131 states and 179 transitions. [2024-10-12 17:19:08,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-12 17:19:08,004 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2024-10-12 17:19:08,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 17:19:08,005 INFO L225 Difference]: With dead ends: 131 [2024-10-12 17:19:08,005 INFO L226 Difference]: Without dead ends: 82 [2024-10-12 17:19:08,006 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-12 17:19:08,006 INFO L432 NwaCegarLoop]: 82 mSDtfsCounter, 128 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 240 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-10-12 17:19:08,007 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 240 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-10-12 17:19:08,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2024-10-12 17:19:08,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 70. [2024-10-12 17:19:08,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 64 states have (on average 1.390625) internal successors, (89), 64 states have internal predecessors, (89), 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) [2024-10-12 17:19:08,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 95 transitions. [2024-10-12 17:19:08,030 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 95 transitions. Word has length 16 [2024-10-12 17:19:08,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 17:19:08,031 INFO L471 AbstractCegarLoop]: Abstraction has 70 states and 95 transitions. [2024-10-12 17:19:08,031 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 17:19:08,031 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 95 transitions. [2024-10-12 17:19:08,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-10-12 17:19:08,031 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 17:19:08,031 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 17:19:08,060 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-10-12 17:19:08,232 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-12 17:19:08,232 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 17:19:08,233 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 17:19:08,233 INFO L85 PathProgramCache]: Analyzing trace with hash -1600451400, now seen corresponding path program 1 times [2024-10-12 17:19:08,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-12 17:19:08,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [329446743] [2024-10-12 17:19:08,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 17:19:08,234 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 [2024-10-12 17:19:08,234 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-12 17:19:08,237 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-12 17:19:08,250 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-10-12 17:19:08,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 17:19:08,545 INFO L255 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-12 17:19:08,546 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 17:19:12,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 17:19:12,085 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-12 17:19:12,089 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-12 17:19:12,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [329446743] [2024-10-12 17:19:12,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [329446743] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 17:19:12,090 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 17:19:12,090 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-12 17:19:12,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364782728] [2024-10-12 17:19:12,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 17:19:12,090 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-12 17:19:12,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-12 17:19:12,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-12 17:19:12,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-12 17:19:12,091 INFO L87 Difference]: Start difference. First operand 70 states and 95 transitions. Second operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 17:19:14,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 17:19:14,472 INFO L93 Difference]: Finished difference Result 76 states and 101 transitions. [2024-10-12 17:19:14,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-12 17:19:14,479 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2024-10-12 17:19:14,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 17:19:14,479 INFO L225 Difference]: With dead ends: 76 [2024-10-12 17:19:14,480 INFO L226 Difference]: Without dead ends: 23 [2024-10-12 17:19:14,480 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-12 17:19:14,482 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 42 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-12 17:19:14,482 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 29 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-12 17:19:14,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2024-10-12 17:19:14,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 22. [2024-10-12 17:19:14,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 21 states have (on average 1.1904761904761905) internal successors, (25), 21 states have internal predecessors, (25), 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) [2024-10-12 17:19:14,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 25 transitions. [2024-10-12 17:19:14,484 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 25 transitions. Word has length 17 [2024-10-12 17:19:14,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 17:19:14,484 INFO L471 AbstractCegarLoop]: Abstraction has 22 states and 25 transitions. [2024-10-12 17:19:14,484 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 17:19:14,485 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2024-10-12 17:19:14,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-10-12 17:19:14,485 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 17:19:14,485 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 17:19:14,495 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-10-12 17:19:14,689 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-12 17:19:14,690 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 17:19:14,691 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 17:19:14,691 INFO L85 PathProgramCache]: Analyzing trace with hash -1623330888, now seen corresponding path program 1 times [2024-10-12 17:19:14,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-12 17:19:14,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [440418115] [2024-10-12 17:19:14,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 17:19:14,692 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 [2024-10-12 17:19:14,692 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-12 17:19:14,694 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-12 17:19:14,695 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-10-12 17:19:14,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 17:19:14,997 INFO L255 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-12 17:19:14,999 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 17:19:19,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 17:19:19,271 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-12 17:19:19,271 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-12 17:19:19,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [440418115] [2024-10-12 17:19:19,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [440418115] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 17:19:19,271 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 17:19:19,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-12 17:19:19,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952979994] [2024-10-12 17:19:19,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 17:19:19,272 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-12 17:19:19,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-12 17:19:19,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-12 17:19:19,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-12 17:19:19,272 INFO L87 Difference]: Start difference. First operand 22 states and 25 transitions. Second operand has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 17:19:24,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 17:19:24,373 INFO L93 Difference]: Finished difference Result 27 states and 29 transitions. [2024-10-12 17:19:24,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-12 17:19:24,373 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2024-10-12 17:19:24,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 17:19:24,373 INFO L225 Difference]: With dead ends: 27 [2024-10-12 17:19:24,373 INFO L226 Difference]: Without dead ends: 23 [2024-10-12 17:19:24,373 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-10-12 17:19:24,374 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 35 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-10-12 17:19:24,374 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 37 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-10-12 17:19:24,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2024-10-12 17:19:24,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 22. [2024-10-12 17:19:24,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 21 states have (on average 1.0952380952380953) internal successors, (23), 21 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 17:19:24,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 23 transitions. [2024-10-12 17:19:24,381 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 23 transitions. Word has length 17 [2024-10-12 17:19:24,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 17:19:24,381 INFO L471 AbstractCegarLoop]: Abstraction has 22 states and 23 transitions. [2024-10-12 17:19:24,381 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 17:19:24,382 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 23 transitions. [2024-10-12 17:19:24,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-10-12 17:19:24,382 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 17:19:24,382 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 17:19:24,399 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2024-10-12 17:19:24,582 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-12 17:19:24,583 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 17:19:24,584 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 17:19:24,584 INFO L85 PathProgramCache]: Analyzing trace with hash 1214917450, now seen corresponding path program 1 times [2024-10-12 17:19:24,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-12 17:19:24,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [880718211] [2024-10-12 17:19:24,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 17:19:24,584 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 [2024-10-12 17:19:24,584 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-12 17:19:24,586 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-12 17:19:24,587 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-10-12 17:19:24,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 17:19:24,984 INFO L255 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-12 17:19:24,985 INFO L278 TraceCheckSpWp]: Computing forward predicates...