/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-24.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-24 14:36:23,416 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-24 14:36:23,478 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-12-24 14:36:23,482 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-24 14:36:23,482 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-24 14:36:23,503 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-24 14:36:23,503 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-24 14:36:23,504 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-24 14:36:23,504 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-24 14:36:23,507 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-24 14:36:23,507 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-24 14:36:23,507 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-24 14:36:23,507 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-24 14:36:23,508 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-24 14:36:23,508 INFO L153 SettingsManager]: * Use SBE=true [2023-12-24 14:36:23,509 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-24 14:36:23,509 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-24 14:36:23,509 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-24 14:36:23,509 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-24 14:36:23,509 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-24 14:36:23,510 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-24 14:36:23,510 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-24 14:36:23,510 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-24 14:36:23,510 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-24 14:36:23,510 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-24 14:36:23,510 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-24 14:36:23,511 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-24 14:36:23,511 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-24 14:36:23,511 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-24 14:36:23,511 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-24 14:36:23,512 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-24 14:36:23,512 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-24 14:36:23,512 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-24 14:36:23,512 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-24 14:36:23,512 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-24 14:36:23,512 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-24 14:36:23,512 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-24 14:36:23,513 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-24 14:36:23,513 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-24 14:36:23,513 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-24 14:36:23,513 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-24 14:36:23,513 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-24 14:36:23,513 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-24 14:36:23,513 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-24 14:36:23,514 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-24 14:36:23,514 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-24 14:36:23,514 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-24 14:36:23,702 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-24 14:36:23,719 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-24 14:36:23,720 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-24 14:36:23,721 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-24 14:36:23,721 INFO L274 PluginConnector]: CDTParser initialized [2023-12-24 14:36:23,722 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-24.i [2023-12-24 14:36:24,881 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-24 14:36:25,041 INFO L384 CDTParser]: Found 1 translation units. [2023-12-24 14:36:25,042 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-24.i [2023-12-24 14:36:25,049 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9b1e1c30/f5953bb2d39c466fa6a8f729a406ecc0/FLAG3f6045078 [2023-12-24 14:36:25,059 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9b1e1c30/f5953bb2d39c466fa6a8f729a406ecc0 [2023-12-24 14:36:25,065 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-24 14:36:25,066 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-24 14:36:25,067 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-24 14:36:25,067 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-24 14:36:25,071 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-24 14:36:25,071 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.12 02:36:25" (1/1) ... [2023-12-24 14:36:25,072 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d6a57bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 02:36:25, skipping insertion in model container [2023-12-24 14:36:25,072 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.12 02:36:25" (1/1) ... [2023-12-24 14:36:25,101 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-24 14:36:25,210 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-24.i[917,930] [2023-12-24 14:36:25,252 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-24 14:36:25,279 INFO L202 MainTranslator]: Completed pre-run [2023-12-24 14:36:25,287 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-24.i[917,930] [2023-12-24 14:36:25,331 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-24 14:36:25,348 INFO L206 MainTranslator]: Completed translation [2023-12-24 14:36:25,349 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 02:36:25 WrapperNode [2023-12-24 14:36:25,349 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-24 14:36:25,350 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-24 14:36:25,350 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-24 14:36:25,350 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-24 14:36:25,354 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 02:36:25" (1/1) ... [2023-12-24 14:36:25,366 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 02:36:25" (1/1) ... [2023-12-24 14:36:25,393 INFO L138 Inliner]: procedures = 33, calls = 157, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 474 [2023-12-24 14:36:25,394 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-24 14:36:25,394 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-24 14:36:25,394 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-24 14:36:25,394 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-24 14:36:25,402 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 02:36:25" (1/1) ... [2023-12-24 14:36:25,402 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 02:36:25" (1/1) ... [2023-12-24 14:36:25,415 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 02:36:25" (1/1) ... [2023-12-24 14:36:25,449 INFO L175 MemorySlicer]: Split 126 memory accesses to 6 slices as follows [2, 27, 23, 56, 7, 11]. 44 percent of accesses are in the largest equivalence class. The 16 initializations are split as follows [2, 4, 2, 5, 1, 2]. The 17 writes are split as follows [0, 5, 2, 7, 1, 2]. [2023-12-24 14:36:25,449 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 02:36:25" (1/1) ... [2023-12-24 14:36:25,449 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 02:36:25" (1/1) ... [2023-12-24 14:36:25,464 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 02:36:25" (1/1) ... [2023-12-24 14:36:25,475 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 02:36:25" (1/1) ... [2023-12-24 14:36:25,478 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 02:36:25" (1/1) ... [2023-12-24 14:36:25,480 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 02:36:25" (1/1) ... [2023-12-24 14:36:25,484 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-24 14:36:25,485 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-24 14:36:25,485 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-24 14:36:25,485 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-24 14:36:25,486 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 02:36:25" (1/1) ... [2023-12-24 14:36:25,490 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-24 14:36:25,529 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-24 14:36:25,540 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) [2023-12-24 14:36:25,548 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 [2023-12-24 14:36:25,564 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-24 14:36:25,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2023-12-24 14:36:25,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2023-12-24 14:36:25,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2023-12-24 14:36:25,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2023-12-24 14:36:25,566 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2023-12-24 14:36:25,566 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2023-12-24 14:36:25,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#0 [2023-12-24 14:36:25,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#1 [2023-12-24 14:36:25,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#2 [2023-12-24 14:36:25,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#3 [2023-12-24 14:36:25,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#4 [2023-12-24 14:36:25,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#5 [2023-12-24 14:36:25,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-24 14:36:25,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2023-12-24 14:36:25,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2023-12-24 14:36:25,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2023-12-24 14:36:25,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2023-12-24 14:36:25,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2023-12-24 14:36:25,568 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2023-12-24 14:36:25,568 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2023-12-24 14:36:25,568 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2023-12-24 14:36:25,568 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2023-12-24 14:36:25,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2023-12-24 14:36:25,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2023-12-24 14:36:25,570 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2023-12-24 14:36:25,570 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2023-12-24 14:36:25,570 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#2 [2023-12-24 14:36:25,570 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#3 [2023-12-24 14:36:25,570 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#4 [2023-12-24 14:36:25,570 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#5 [2023-12-24 14:36:25,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2023-12-24 14:36:25,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2023-12-24 14:36:25,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2023-12-24 14:36:25,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2023-12-24 14:36:25,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2023-12-24 14:36:25,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2023-12-24 14:36:25,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2023-12-24 14:36:25,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2023-12-24 14:36:25,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2023-12-24 14:36:25,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2023-12-24 14:36:25,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2023-12-24 14:36:25,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5 [2023-12-24 14:36:25,571 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-24 14:36:25,571 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-24 14:36:25,571 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-24 14:36:25,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-24 14:36:25,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2023-12-24 14:36:25,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2023-12-24 14:36:25,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2023-12-24 14:36:25,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2023-12-24 14:36:25,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2023-12-24 14:36:25,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2023-12-24 14:36:25,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2023-12-24 14:36:25,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2023-12-24 14:36:25,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#2 [2023-12-24 14:36:25,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#3 [2023-12-24 14:36:25,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#4 [2023-12-24 14:36:25,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#5 [2023-12-24 14:36:25,720 INFO L241 CfgBuilder]: Building ICFG [2023-12-24 14:36:25,721 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-24 14:36:44,977 INFO L282 CfgBuilder]: Performing block encoding [2023-12-24 14:36:45,005 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-24 14:36:45,005 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-24 14:36:45,006 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.12 02:36:45 BoogieIcfgContainer [2023-12-24 14:36:45,006 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-24 14:36:45,007 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-24 14:36:45,007 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-24 14:36:45,009 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-24 14:36:45,009 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.12 02:36:25" (1/3) ... [2023-12-24 14:36:45,010 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fbaa729 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.12 02:36:45, skipping insertion in model container [2023-12-24 14:36:45,010 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 02:36:25" (2/3) ... [2023-12-24 14:36:45,010 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fbaa729 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.12 02:36:45, skipping insertion in model container [2023-12-24 14:36:45,010 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.12 02:36:45" (3/3) ... [2023-12-24 14:36:45,011 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-ap_file-24.i [2023-12-24 14:36:45,024 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-24 14:36:45,024 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-24 14:36:45,060 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-24 14:36:45,065 INFO L357 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, mHoare=true, 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;@53012b02, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-24 14:36:45,065 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-24 14:36:45,071 INFO L276 IsEmpty]: Start isEmpty. Operand has 94 states, 76 states have (on average 1.4342105263157894) internal successors, (109), 77 states have internal predecessors, (109), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-12-24 14:36:45,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-12-24 14:36:45,080 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 14:36:45,081 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 14:36:45,081 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-24 14:36:45,084 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 14:36:45,084 INFO L85 PathProgramCache]: Analyzing trace with hash -861634093, now seen corresponding path program 1 times [2023-12-24 14:36:45,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 14:36:45,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [821337498] [2023-12-24 14:36:45,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 14:36:45,093 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 [2023-12-24 14:36:45,093 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 14:36:45,095 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) [2023-12-24 14:36:45,096 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 [2023-12-24 14:36:46,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 14:36:46,114 INFO L262 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-24 14:36:46,120 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 14:36:46,156 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 220 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2023-12-24 14:36:46,157 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 14:36:46,157 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 14:36:46,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [821337498] [2023-12-24 14:36:46,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [821337498] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 14:36:46,163 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 14:36:46,163 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-24 14:36:46,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254737592] [2023-12-24 14:36:46,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 14:36:46,168 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-24 14:36:46,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 14:36:46,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-24 14:36:46,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-24 14:36:46,199 INFO L87 Difference]: Start difference. First operand has 94 states, 76 states have (on average 1.4342105263157894) internal successors, (109), 77 states have internal predecessors, (109), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-12-24 14:36:46,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 14:36:46,309 INFO L93 Difference]: Finished difference Result 185 states and 291 transitions. [2023-12-24 14:36:46,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-24 14:36:46,312 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 119 [2023-12-24 14:36:46,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 14:36:46,317 INFO L225 Difference]: With dead ends: 185 [2023-12-24 14:36:46,317 INFO L226 Difference]: Without dead ends: 92 [2023-12-24 14:36:46,319 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-24 14:36:46,321 INFO L413 NwaCegarLoop]: 130 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-24 14:36:46,322 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 130 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-24 14:36:46,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2023-12-24 14:36:46,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2023-12-24 14:36:46,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 75 states have (on average 1.3866666666666667) internal successors, (104), 75 states have internal predecessors, (104), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-12-24 14:36:46,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 134 transitions. [2023-12-24 14:36:46,372 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 134 transitions. Word has length 119 [2023-12-24 14:36:46,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 14:36:46,373 INFO L495 AbstractCegarLoop]: Abstraction has 92 states and 134 transitions. [2023-12-24 14:36:46,374 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-12-24 14:36:46,374 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 134 transitions. [2023-12-24 14:36:46,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-12-24 14:36:46,381 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 14:36:46,382 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 14:36:46,415 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-12-24 14:36:46,582 WARN L477 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 [2023-12-24 14:36:46,583 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-24 14:36:46,583 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 14:36:46,583 INFO L85 PathProgramCache]: Analyzing trace with hash -915902451, now seen corresponding path program 1 times [2023-12-24 14:36:46,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 14:36:46,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1533284158] [2023-12-24 14:36:46,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 14:36:46,584 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 [2023-12-24 14:36:46,584 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 14:36:46,586 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) [2023-12-24 14:36:46,597 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 [2023-12-24 14:36:47,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 14:36:47,570 INFO L262 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-24 14:36:47,573 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 14:36:47,667 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-12-24 14:36:47,667 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 14:36:47,667 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 14:36:47,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1533284158] [2023-12-24 14:36:47,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1533284158] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 14:36:47,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 14:36:47,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-24 14:36:47,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946701418] [2023-12-24 14:36:47,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 14:36:47,669 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-24 14:36:47,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 14:36:47,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-24 14:36:47,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-24 14:36:47,670 INFO L87 Difference]: Start difference. First operand 92 states and 134 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-12-24 14:36:47,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 14:36:47,915 INFO L93 Difference]: Finished difference Result 184 states and 269 transitions. [2023-12-24 14:36:47,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-24 14:36:47,917 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 119 [2023-12-24 14:36:47,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 14:36:47,919 INFO L225 Difference]: With dead ends: 184 [2023-12-24 14:36:47,919 INFO L226 Difference]: Without dead ends: 93 [2023-12-24 14:36:47,919 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-24 14:36:47,921 INFO L413 NwaCegarLoop]: 129 mSDtfsCounter, 0 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 253 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-24 14:36:47,922 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 253 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-24 14:36:47,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2023-12-24 14:36:47,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2023-12-24 14:36:47,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 76 states have (on average 1.381578947368421) internal successors, (105), 76 states have internal predecessors, (105), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-12-24 14:36:47,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 135 transitions. [2023-12-24 14:36:47,935 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 135 transitions. Word has length 119 [2023-12-24 14:36:47,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 14:36:47,938 INFO L495 AbstractCegarLoop]: Abstraction has 93 states and 135 transitions. [2023-12-24 14:36:47,938 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-12-24 14:36:47,938 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 135 transitions. [2023-12-24 14:36:47,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-12-24 14:36:47,940 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 14:36:47,941 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 14:36:47,966 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-12-24 14:36:48,168 WARN L477 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 [2023-12-24 14:36:48,169 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-24 14:36:48,169 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 14:36:48,169 INFO L85 PathProgramCache]: Analyzing trace with hash -697047733, now seen corresponding path program 1 times [2023-12-24 14:36:48,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 14:36:48,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2070123802] [2023-12-24 14:36:48,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 14:36:48,170 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 [2023-12-24 14:36:48,170 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 14:36:48,172 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) [2023-12-24 14:36:48,173 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 [2023-12-24 14:36:49,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 14:36:49,126 INFO L262 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-24 14:36:49,130 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 14:36:49,899 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-12-24 14:36:49,899 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 14:36:49,899 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 14:36:49,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2070123802] [2023-12-24 14:36:49,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2070123802] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 14:36:49,899 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 14:36:49,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-24 14:36:49,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270629621] [2023-12-24 14:36:49,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 14:36:49,900 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-24 14:36:49,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 14:36:49,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-24 14:36:49,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-24 14:36:49,901 INFO L87 Difference]: Start difference. First operand 93 states and 135 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-12-24 14:36:51,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 14:36:51,131 INFO L93 Difference]: Finished difference Result 271 states and 395 transitions. [2023-12-24 14:36:51,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-24 14:36:51,132 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 119 [2023-12-24 14:36:51,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 14:36:51,134 INFO L225 Difference]: With dead ends: 271 [2023-12-24 14:36:51,134 INFO L226 Difference]: Without dead ends: 179 [2023-12-24 14:36:51,135 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-12-24 14:36:51,136 INFO L413 NwaCegarLoop]: 132 mSDtfsCounter, 148 mSDsluCounter, 366 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 498 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-12-24 14:36:51,137 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 498 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-12-24 14:36:51,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2023-12-24 14:36:51,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 108. [2023-12-24 14:36:51,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 91 states have (on average 1.3956043956043955) internal successors, (127), 91 states have internal predecessors, (127), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-12-24 14:36:51,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 157 transitions. [2023-12-24 14:36:51,149 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 157 transitions. Word has length 119 [2023-12-24 14:36:51,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 14:36:51,150 INFO L495 AbstractCegarLoop]: Abstraction has 108 states and 157 transitions. [2023-12-24 14:36:51,150 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-12-24 14:36:51,150 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 157 transitions. [2023-12-24 14:36:51,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-12-24 14:36:51,152 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 14:36:51,152 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 14:36:51,191 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-12-24 14:36:51,353 WARN L477 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 [2023-12-24 14:36:51,353 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-24 14:36:51,354 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 14:36:51,354 INFO L85 PathProgramCache]: Analyzing trace with hash -1976911411, now seen corresponding path program 1 times [2023-12-24 14:36:51,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 14:36:51,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1081256461] [2023-12-24 14:36:51,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 14:36:51,355 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 [2023-12-24 14:36:51,355 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 14:36:51,356 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) [2023-12-24 14:36:51,357 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 [2023-12-24 14:36:52,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 14:36:52,350 INFO L262 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-24 14:36:52,353 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 14:36:52,750 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-12-24 14:36:52,750 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 14:36:52,750 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 14:36:52,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1081256461] [2023-12-24 14:36:52,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1081256461] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 14:36:52,750 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 14:36:52,750 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-24 14:36:52,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861617762] [2023-12-24 14:36:52,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 14:36:52,751 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-24 14:36:52,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 14:36:52,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-24 14:36:52,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-24 14:36:52,752 INFO L87 Difference]: Start difference. First operand 108 states and 157 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-12-24 14:36:53,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 14:36:53,739 INFO L93 Difference]: Finished difference Result 236 states and 343 transitions. [2023-12-24 14:36:53,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-24 14:36:53,741 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 119 [2023-12-24 14:36:53,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 14:36:53,742 INFO L225 Difference]: With dead ends: 236 [2023-12-24 14:36:53,742 INFO L226 Difference]: Without dead ends: 129 [2023-12-24 14:36:53,743 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-12-24 14:36:53,744 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 46 mSDsluCounter, 373 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 498 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-24 14:36:53,744 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 498 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-24 14:36:53,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2023-12-24 14:36:53,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 112. [2023-12-24 14:36:53,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 95 states have (on average 1.3789473684210527) internal successors, (131), 95 states have internal predecessors, (131), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-12-24 14:36:53,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 161 transitions. [2023-12-24 14:36:53,750 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 161 transitions. Word has length 119 [2023-12-24 14:36:53,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 14:36:53,750 INFO L495 AbstractCegarLoop]: Abstraction has 112 states and 161 transitions. [2023-12-24 14:36:53,750 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-12-24 14:36:53,751 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 161 transitions. [2023-12-24 14:36:53,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-12-24 14:36:53,751 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 14:36:53,751 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 14:36:53,777 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 [2023-12-24 14:36:53,960 WARN L477 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 [2023-12-24 14:36:53,961 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-24 14:36:53,961 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 14:36:53,961 INFO L85 PathProgramCache]: Analyzing trace with hash 1508709259, now seen corresponding path program 1 times [2023-12-24 14:36:53,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 14:36:53,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [107920659] [2023-12-24 14:36:53,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 14:36:53,962 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 [2023-12-24 14:36:53,963 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 14:36:53,978 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) [2023-12-24 14:36:53,979 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 [2023-12-24 14:36:54,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 14:36:54,958 INFO L262 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-24 14:36:54,960 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 14:36:55,593 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-12-24 14:36:55,594 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 14:36:55,594 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 14:36:55,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [107920659] [2023-12-24 14:36:55,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [107920659] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 14:36:55,594 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 14:36:55,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-24 14:36:55,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171045035] [2023-12-24 14:36:55,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 14:36:55,595 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-24 14:36:55,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 14:36:55,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-24 14:36:55,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-24 14:36:55,596 INFO L87 Difference]: Start difference. First operand 112 states and 161 transitions. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-12-24 14:36:57,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 14:36:57,331 INFO L93 Difference]: Finished difference Result 243 states and 348 transitions. [2023-12-24 14:36:57,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-24 14:36:57,331 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 119 [2023-12-24 14:36:57,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 14:36:57,332 INFO L225 Difference]: With dead ends: 243 [2023-12-24 14:36:57,332 INFO L226 Difference]: Without dead ends: 132 [2023-12-24 14:36:57,333 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2023-12-24 14:36:57,334 INFO L413 NwaCegarLoop]: 123 mSDtfsCounter, 49 mSDsluCounter, 493 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 616 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-12-24 14:36:57,334 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 616 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-12-24 14:36:57,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2023-12-24 14:36:57,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 114. [2023-12-24 14:36:57,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 97 states have (on average 1.3711340206185567) internal successors, (133), 97 states have internal predecessors, (133), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-12-24 14:36:57,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 163 transitions. [2023-12-24 14:36:57,342 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 163 transitions. Word has length 119 [2023-12-24 14:36:57,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 14:36:57,342 INFO L495 AbstractCegarLoop]: Abstraction has 114 states and 163 transitions. [2023-12-24 14:36:57,342 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-12-24 14:36:57,342 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 163 transitions. [2023-12-24 14:36:57,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-12-24 14:36:57,343 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 14:36:57,343 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 14:36:57,366 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2023-12-24 14:36:57,548 WARN L477 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 [2023-12-24 14:36:57,549 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-24 14:36:57,549 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 14:36:57,549 INFO L85 PathProgramCache]: Analyzing trace with hash 1565967561, now seen corresponding path program 1 times [2023-12-24 14:36:57,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 14:36:57,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [243650489] [2023-12-24 14:36:57,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 14:36:57,550 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 [2023-12-24 14:36:57,550 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 14:36:57,551 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) [2023-12-24 14:36:57,552 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 [2023-12-24 14:36:58,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 14:36:58,497 INFO L262 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-24 14:36:58,500 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 14:36:59,362 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-12-24 14:36:59,362 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 14:36:59,363 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 14:36:59,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [243650489] [2023-12-24 14:36:59,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [243650489] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 14:36:59,363 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 14:36:59,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-24 14:36:59,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709688588] [2023-12-24 14:36:59,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 14:36:59,363 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-24 14:36:59,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 14:36:59,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-24 14:36:59,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-24 14:36:59,364 INFO L87 Difference]: Start difference. First operand 114 states and 163 transitions. Second operand has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 7 states have internal predecessors, (47), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-12-24 14:37:02,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 14:37:02,083 INFO L93 Difference]: Finished difference Result 246 states and 348 transitions. [2023-12-24 14:37:02,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-24 14:37:02,083 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 7 states have internal predecessors, (47), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 119 [2023-12-24 14:37:02,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 14:37:02,084 INFO L225 Difference]: With dead ends: 246 [2023-12-24 14:37:02,084 INFO L226 Difference]: Without dead ends: 133 [2023-12-24 14:37:02,085 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2023-12-24 14:37:02,085 INFO L413 NwaCegarLoop]: 122 mSDtfsCounter, 40 mSDsluCounter, 606 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 728 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-12-24 14:37:02,086 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 728 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-12-24 14:37:02,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2023-12-24 14:37:02,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 116. [2023-12-24 14:37:02,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 99 states have (on average 1.3636363636363635) internal successors, (135), 99 states have internal predecessors, (135), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-12-24 14:37:02,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 165 transitions. [2023-12-24 14:37:02,091 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 165 transitions. Word has length 119 [2023-12-24 14:37:02,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 14:37:02,091 INFO L495 AbstractCegarLoop]: Abstraction has 116 states and 165 transitions. [2023-12-24 14:37:02,091 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 7 states have internal predecessors, (47), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-12-24 14:37:02,092 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 165 transitions. [2023-12-24 14:37:02,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-12-24 14:37:02,092 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 14:37:02,092 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 14:37:02,116 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 (7)] Ended with exit code 0 [2023-12-24 14:37:02,299 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /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 [2023-12-24 14:37:02,300 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-24 14:37:02,300 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 14:37:02,300 INFO L85 PathProgramCache]: Analyzing trace with hash 1566027143, now seen corresponding path program 1 times [2023-12-24 14:37:02,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 14:37:02,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1148495112] [2023-12-24 14:37:02,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 14:37:02,301 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 [2023-12-24 14:37:02,301 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 14:37:02,302 INFO L229 MonitoredProcess]: Starting monitored process 8 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) [2023-12-24 14:37:02,302 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 (8)] Waiting until timeout for monitored process [2023-12-24 14:37:03,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 14:37:03,670 INFO L262 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-24 14:37:03,674 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 14:37:15,529 INFO L349 Elim1Store]: treesize reduction 29, result has 19.4 percent of original size [2023-12-24 14:37:15,530 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 103 treesize of output 59 [2023-12-24 14:37:16,932 INFO L349 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2023-12-24 14:37:16,932 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 130 treesize of output 58 [2023-12-24 14:37:30,367 WARN L293 SmtUtils]: Spent 8.61s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 14:37:38,980 WARN L293 SmtUtils]: Spent 8.61s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 14:37:47,572 WARN L293 SmtUtils]: Spent 8.59s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 14:37:55,906 WARN L293 SmtUtils]: Spent 8.33s on a formula simplification that was a NOOP. DAG size: 14 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 14:38:00,068 WARN L854 $PredicateComparison]: unable to prove that (exists ((v_arrayElimCell_3 (_ BitVec 32)) (v_arrayElimCell_2 (_ BitVec 32))) (let ((.cse0 (fp ((_ extract 31 31) v_arrayElimCell_3) ((_ extract 30 23) v_arrayElimCell_3) ((_ extract 22 0) v_arrayElimCell_3))) (.cse1 (fp ((_ extract 31 31) v_arrayElimCell_2) ((_ extract 30 23) v_arrayElimCell_2) ((_ extract 22 0) v_arrayElimCell_2)))) (and (fp.leq .cse0 (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 100000000000000000000.0)))) (fp.geq .cse0 (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 9223372036854765600.0))) (= .cse0 .cse1) (let ((.cse2 ((_ to_fp 11 53) roundNearestTiesToEven .cse1))) (fp.gt (fp.mul roundNearestTiesToEven .cse2 ((_ to_fp 11 53) roundNearestTiesToEven (/ 511.0 4.0))) (fp.div roundNearestTiesToEven .cse2 ((_ to_fp 11 53) roundNearestTiesToEven (/ 17.0 5.0)))))))) is different from false [2023-12-24 14:38:04,168 WARN L876 $PredicateComparison]: unable to prove that (exists ((v_arrayElimCell_3 (_ BitVec 32)) (v_arrayElimCell_2 (_ BitVec 32))) (let ((.cse0 (fp ((_ extract 31 31) v_arrayElimCell_3) ((_ extract 30 23) v_arrayElimCell_3) ((_ extract 22 0) v_arrayElimCell_3))) (.cse1 (fp ((_ extract 31 31) v_arrayElimCell_2) ((_ extract 30 23) v_arrayElimCell_2) ((_ extract 22 0) v_arrayElimCell_2)))) (and (fp.leq .cse0 (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 100000000000000000000.0)))) (fp.geq .cse0 (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 9223372036854765600.0))) (= .cse0 .cse1) (let ((.cse2 ((_ to_fp 11 53) roundNearestTiesToEven .cse1))) (fp.gt (fp.mul roundNearestTiesToEven .cse2 ((_ to_fp 11 53) roundNearestTiesToEven (/ 511.0 4.0))) (fp.div roundNearestTiesToEven .cse2 ((_ to_fp 11 53) roundNearestTiesToEven (/ 17.0 5.0)))))))) is different from true [2023-12-24 14:38:16,938 WARN L293 SmtUtils]: Spent 8.59s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 14:38:25,519 WARN L293 SmtUtils]: Spent 8.58s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 14:38:34,097 WARN L293 SmtUtils]: Spent 8.58s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 14:38:42,432 WARN L293 SmtUtils]: Spent 8.33s on a formula simplification that was a NOOP. DAG size: 14 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 14:38:55,190 WARN L293 SmtUtils]: Spent 8.59s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 14:39:03,781 WARN L293 SmtUtils]: Spent 8.59s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 14:39:12,369 WARN L293 SmtUtils]: Spent 8.59s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 14:39:20,706 WARN L293 SmtUtils]: Spent 8.34s on a formula simplification that was a NOOP. DAG size: 14 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 14:39:33,460 WARN L293 SmtUtils]: Spent 8.58s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 14:39:42,063 WARN L293 SmtUtils]: Spent 8.60s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 14:39:50,653 WARN L293 SmtUtils]: Spent 8.59s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 14:39:58,993 WARN L293 SmtUtils]: Spent 8.34s on a formula simplification that was a NOOP. DAG size: 14 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 14:40:11,737 WARN L293 SmtUtils]: Spent 8.58s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 14:40:20,320 WARN L293 SmtUtils]: Spent 8.58s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 14:40:28,926 WARN L293 SmtUtils]: Spent 8.61s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 14:40:37,267 WARN L293 SmtUtils]: Spent 8.34s on a formula simplification that was a NOOP. DAG size: 14 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 14:40:50,036 WARN L293 SmtUtils]: Spent 8.60s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 14:40:58,624 WARN L293 SmtUtils]: Spent 8.59s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 14:41:07,223 WARN L293 SmtUtils]: Spent 8.60s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 14:41:15,555 WARN L293 SmtUtils]: Spent 8.33s on a formula simplification that was a NOOP. DAG size: 14 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 14:41:28,304 WARN L293 SmtUtils]: Spent 8.58s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 14:41:36,902 WARN L293 SmtUtils]: Spent 8.60s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 14:41:45,487 WARN L293 SmtUtils]: Spent 8.58s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 14:41:53,813 WARN L293 SmtUtils]: Spent 8.33s on a formula simplification that was a NOOP. DAG size: 14 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 14:42:06,560 WARN L293 SmtUtils]: Spent 8.58s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 14:42:15,151 WARN L293 SmtUtils]: Spent 8.59s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 14:42:23,719 WARN L293 SmtUtils]: Spent 8.57s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 14:42:32,050 WARN L293 SmtUtils]: Spent 8.33s on a formula simplification that was a NOOP. DAG size: 14 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 14:42:44,796 WARN L293 SmtUtils]: Spent 8.58s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 14:42:53,366 WARN L293 SmtUtils]: Spent 8.57s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 14:43:01,946 WARN L293 SmtUtils]: Spent 8.58s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 14:43:10,280 WARN L293 SmtUtils]: Spent 8.33s on a formula simplification that was a NOOP. DAG size: 14 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 14:43:23,005 WARN L293 SmtUtils]: Spent 8.57s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 14:43:31,582 WARN L293 SmtUtils]: Spent 8.58s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 14:43:40,165 WARN L293 SmtUtils]: Spent 8.58s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 14:43:48,489 WARN L293 SmtUtils]: Spent 8.32s on a formula simplification that was a NOOP. DAG size: 14 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 14:44:01,262 WARN L293 SmtUtils]: Spent 8.60s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 14:44:09,847 WARN L293 SmtUtils]: Spent 8.58s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 14:44:18,450 WARN L293 SmtUtils]: Spent 8.60s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 14:44:26,794 WARN L293 SmtUtils]: Spent 8.34s on a formula simplification that was a NOOP. DAG size: 14 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 14:44:39,551 WARN L293 SmtUtils]: Spent 8.59s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 14:44:48,139 WARN L293 SmtUtils]: Spent 8.59s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 14:44:56,734 WARN L293 SmtUtils]: Spent 8.59s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 14:45:05,069 WARN L293 SmtUtils]: Spent 8.33s on a formula simplification that was a NOOP. DAG size: 14 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 14:45:17,831 WARN L293 SmtUtils]: Spent 8.58s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 14:45:26,409 WARN L293 SmtUtils]: Spent 8.58s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 14:45:35,020 WARN L293 SmtUtils]: Spent 8.61s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 14:45:43,349 WARN L293 SmtUtils]: Spent 8.33s on a formula simplification that was a NOOP. DAG size: 14 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 14:45:56,113 WARN L293 SmtUtils]: Spent 8.60s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 14:46:04,695 WARN L293 SmtUtils]: Spent 8.58s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 14:46:13,299 WARN L293 SmtUtils]: Spent 8.60s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 14:46:21,628 WARN L293 SmtUtils]: Spent 8.33s on a formula simplification that was a NOOP. DAG size: 14 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 14:46:34,397 WARN L293 SmtUtils]: Spent 8.59s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 14:46:42,976 WARN L293 SmtUtils]: Spent 8.58s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 14:46:51,587 WARN L293 SmtUtils]: Spent 8.61s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 14:46:59,920 WARN L293 SmtUtils]: Spent 8.33s on a formula simplification that was a NOOP. DAG size: 14 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 14:47:12,667 WARN L293 SmtUtils]: Spent 8.58s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 14:47:21,251 WARN L293 SmtUtils]: Spent 8.58s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 14:47:29,845 WARN L293 SmtUtils]: Spent 8.59s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 14:47:38,194 WARN L293 SmtUtils]: Spent 8.35s on a formula simplification that was a NOOP. DAG size: 14 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 14:47:50,983 WARN L293 SmtUtils]: Spent 8.62s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 14:47:59,578 WARN L293 SmtUtils]: Spent 8.59s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 14:48:08,203 WARN L293 SmtUtils]: Spent 8.62s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 14:48:16,550 WARN L293 SmtUtils]: Spent 8.35s on a formula simplification that was a NOOP. DAG size: 14 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 14:48:29,330 WARN L293 SmtUtils]: Spent 8.61s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 14:48:37,933 WARN L293 SmtUtils]: Spent 8.60s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 14:48:46,536 WARN L293 SmtUtils]: Spent 8.60s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 14:48:54,881 WARN L293 SmtUtils]: Spent 8.34s on a formula simplification that was a NOOP. DAG size: 14 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 14:48:54,882 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 216 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2023-12-24 14:48:54,882 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-24 14:49:03,528 WARN L293 SmtUtils]: Spent 8.64s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 14:49:07,839 WARN L854 $PredicateComparison]: unable to prove that (not (fp.gt (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode |c_ULTIMATE.start_step_#t~mem30#1|) ((_ to_fp 11 53) c_currentRoundingMode (/ 511.0 4.0))) (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode |c_ULTIMATE.start_step_#t~mem31#1|) ((_ to_fp 11 53) c_currentRoundingMode (/ 17.0 5.0))))) is different from false [2023-12-24 14:49:12,150 WARN L876 $PredicateComparison]: unable to prove that (not (fp.gt (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode |c_ULTIMATE.start_step_#t~mem30#1|) ((_ to_fp 11 53) c_currentRoundingMode (/ 511.0 4.0))) (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode |c_ULTIMATE.start_step_#t~mem31#1|) ((_ to_fp 11 53) c_currentRoundingMode (/ 17.0 5.0))))) is different from true [2023-12-24 14:49:18,384 WARN L293 SmtUtils]: Spent 6.23s on a formula simplification that was a NOOP. DAG size: 19 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 14:49:22,555 WARN L854 $PredicateComparison]: unable to prove that (not (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (let ((.cse1 (select (select |c_#memory_int#2| c_~float_Array_0_arrayfloat_Array_0arrayVar0_Pointer~0.base) c_~float_Array_0_arrayfloat_Array_0arrayVar0_Pointer~0.offset))) (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1)))))) (fp.gt (fp.mul c_currentRoundingMode .cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 511.0 4.0))) (fp.div c_currentRoundingMode .cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 17.0 5.0)))))) is different from false [2023-12-24 14:49:26,724 WARN L876 $PredicateComparison]: unable to prove that (not (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (let ((.cse1 (select (select |c_#memory_int#2| c_~float_Array_0_arrayfloat_Array_0arrayVar0_Pointer~0.base) c_~float_Array_0_arrayfloat_Array_0arrayVar0_Pointer~0.offset))) (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1)))))) (fp.gt (fp.mul c_currentRoundingMode .cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 511.0 4.0))) (fp.div c_currentRoundingMode .cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 17.0 5.0)))))) is different from true [2023-12-24 14:49:35,343 WARN L293 SmtUtils]: Spent 8.62s on a formula simplification that was a NOOP. DAG size: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 14:49:43,681 WARN L293 SmtUtils]: Spent 8.34s on a formula simplification that was a NOOP. DAG size: 19 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 14:49:47,845 WARN L854 $PredicateComparison]: unable to prove that (or |c_ULTIMATE.start_step_#t~short12#1| (not (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (let ((.cse1 (select (select |c_#memory_int#2| c_~float_Array_0_arrayfloat_Array_0arrayVar0_Pointer~0.base) c_~float_Array_0_arrayfloat_Array_0arrayVar0_Pointer~0.offset))) (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1)))))) (fp.gt (fp.mul c_currentRoundingMode .cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 511.0 4.0))) (fp.div c_currentRoundingMode .cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 17.0 5.0))))))) is different from false [2023-12-24 14:49:52,012 WARN L876 $PredicateComparison]: unable to prove that (or |c_ULTIMATE.start_step_#t~short12#1| (not (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (let ((.cse1 (select (select |c_#memory_int#2| c_~float_Array_0_arrayfloat_Array_0arrayVar0_Pointer~0.base) c_~float_Array_0_arrayfloat_Array_0arrayVar0_Pointer~0.offset))) (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1)))))) (fp.gt (fp.mul c_currentRoundingMode .cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 511.0 4.0))) (fp.div c_currentRoundingMode .cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 17.0 5.0))))))) is different from true [2023-12-24 14:50:01,163 WARN L293 SmtUtils]: Spent 9.15s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 14:50:09,533 WARN L293 SmtUtils]: Spent 8.37s on a formula simplification that was a NOOP. DAG size: 19 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 14:50:13,708 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 (let ((.cse2 (select (select |c_#memory_int#2| c_~float_Array_0_arrayfloat_Array_0arrayVar0_Pointer~0.base) c_~float_Array_0_arrayfloat_Array_0arrayVar0_Pointer~0.offset))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))))) (or (fp.lt ((_ to_fp 8 24) c_currentRoundingMode (/ 259.0 4.0)) .cse0) (not (let ((.cse1 ((_ to_fp 11 53) c_currentRoundingMode .cse0))) (fp.gt (fp.mul c_currentRoundingMode .cse1 ((_ to_fp 11 53) c_currentRoundingMode (/ 511.0 4.0))) (fp.div c_currentRoundingMode .cse1 ((_ to_fp 11 53) c_currentRoundingMode (/ 17.0 5.0)))))))) is different from false [2023-12-24 14:50:17,878 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse0 (let ((.cse2 (select (select |c_#memory_int#2| c_~float_Array_0_arrayfloat_Array_0arrayVar0_Pointer~0.base) c_~float_Array_0_arrayfloat_Array_0arrayVar0_Pointer~0.offset))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))))) (or (fp.lt ((_ to_fp 8 24) c_currentRoundingMode (/ 259.0 4.0)) .cse0) (not (let ((.cse1 ((_ to_fp 11 53) c_currentRoundingMode .cse0))) (fp.gt (fp.mul c_currentRoundingMode .cse1 ((_ to_fp 11 53) c_currentRoundingMode (/ 511.0 4.0))) (fp.div c_currentRoundingMode .cse1 ((_ to_fp 11 53) c_currentRoundingMode (/ 17.0 5.0)))))))) is different from true [2023-12-24 14:50:26,501 WARN L293 SmtUtils]: Spent 8.62s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 14:50:34,671 WARN L293 SmtUtils]: Spent 8.17s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 14:50:43,298 WARN L293 SmtUtils]: Spent 8.63s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 14:50:47,624 WARN L876 $PredicateComparison]: unable to prove that (forall ((|v_skolemized_q#valueAsBitvector_23| (_ BitVec 32))) (let ((.cse1 (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_23|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_23|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_23|)))) (or (not (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode .cse1))) (fp.gt (fp.mul c_currentRoundingMode .cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 511.0 4.0))) (fp.div c_currentRoundingMode .cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 17.0 5.0)))))) (fp.lt ((_ to_fp 8 24) c_currentRoundingMode (/ 259.0 4.0)) .cse1) (not (= (let ((.cse2 (select (select |c_#memory_int#2| c_~float_Array_0_arrayfloat_Array_0arrayVar1_Pointer~0.base) c_~float_Array_0_arrayfloat_Array_0arrayVar1_Pointer~0.offset))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))) .cse1))))) is different from true [2023-12-24 14:50:56,249 WARN L293 SmtUtils]: Spent 8.62s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 14:51:04,601 WARN L293 SmtUtils]: Spent 8.35s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) Received shutdown request... [2023-12-24 14:51:11,336 WARN L340 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 (8)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-24 14:51:11,336 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-24 14:51:12,360 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2023-12-24 14:51:12,537 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forcibly destroying the process [2023-12-24 14:51:12,644 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 137 [2023-12-24 14:51:12,646 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-24 14:51:12,646 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 120 with TraceHistMax 15,while TraceCheckSpWp was constructing backward predicates,while executing Executor. [2023-12-24 14:51:12,649 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2023-12-24 14:51:12,650 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-24 14:51:12,652 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.12 02:51:12 BoogieIcfgContainer [2023-12-24 14:51:12,652 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-24 14:51:12,652 INFO L158 Benchmark]: Toolchain (without parser) took 887586.17ms. Allocated memory is still 194.0MB. Free memory was 158.6MB in the beginning and 77.1MB in the end (delta: 81.5MB). Peak memory consumption was 82.7MB. Max. memory is 8.0GB. [2023-12-24 14:51:12,653 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 194.0MB. Free memory is still 151.9MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-24 14:51:12,653 INFO L158 Benchmark]: CACSL2BoogieTranslator took 282.35ms. Allocated memory is still 194.0MB. Free memory was 158.3MB in the beginning and 141.8MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2023-12-24 14:51:12,653 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.83ms. Allocated memory is still 194.0MB. Free memory was 141.8MB in the beginning and 138.3MB in the end (delta: 3.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-12-24 14:51:12,653 INFO L158 Benchmark]: Boogie Preprocessor took 90.56ms. Allocated memory is still 194.0MB. Free memory was 138.3MB in the beginning and 133.1MB in the end (delta: 5.3MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2023-12-24 14:51:12,653 INFO L158 Benchmark]: RCFGBuilder took 19520.51ms. Allocated memory is still 194.0MB. Free memory was 133.1MB in the beginning and 153.9MB in the end (delta: -20.9MB). Peak memory consumption was 38.4MB. Max. memory is 8.0GB. [2023-12-24 14:51:12,655 INFO L158 Benchmark]: TraceAbstraction took 867644.98ms. Allocated memory is still 194.0MB. Free memory was 152.9MB in the beginning and 77.1MB in the end (delta: 75.8MB). Peak memory consumption was 75.8MB. Max. memory is 8.0GB. [2023-12-24 14:51:12,657 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 194.0MB. Free memory is still 151.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 282.35ms. Allocated memory is still 194.0MB. Free memory was 158.3MB in the beginning and 141.8MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 43.83ms. Allocated memory is still 194.0MB. Free memory was 141.8MB in the beginning and 138.3MB in the end (delta: 3.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 90.56ms. Allocated memory is still 194.0MB. Free memory was 138.3MB in the beginning and 133.1MB in the end (delta: 5.3MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * RCFGBuilder took 19520.51ms. Allocated memory is still 194.0MB. Free memory was 133.1MB in the beginning and 153.9MB in the end (delta: -20.9MB). Peak memory consumption was 38.4MB. Max. memory is 8.0GB. * TraceAbstraction took 867644.98ms. Allocated memory is still 194.0MB. Free memory was 152.9MB in the beginning and 77.1MB in the end (delta: 75.8MB). Peak memory consumption was 75.8MB. Max. memory is 8.0GB. * 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 - TimeoutResultAtElement [Line: 19]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 19). Cancelled while NwaCegarLoop was analyzing trace of length 120 with TraceHistMax 15,while TraceCheckSpWp was constructing backward predicates,while executing Executor. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 94 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 867.6s, OverallIterations: 7, TraceHistogramMax: 15, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 7.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 283 SdHoareTripleChecker+Valid, 4.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 283 mSDsluCounter, 2723 SdHoareTripleChecker+Invalid, 4.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1962 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 267 IncrementalHoareTripleChecker+Invalid, 280 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 761 mSDtfsCounter, 267 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 728 GetRequests, 692 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 4.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=116occurred in iteration=6, InterpolantAutomatonStates: 48, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 123 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 5.1s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 714 NumberOfCodeBlocks, 714 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 708 ConstructedInterpolants, 0 QuantifiedInterpolants, 791 SizeOfPredicates, 14 NumberOfNonLiveVariables, 1733 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 2520/2520 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown