/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-p_file-20.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-24 16:11:03,721 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-24 16:11:03,780 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 16:11:03,782 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-24 16:11:03,783 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-24 16:11:03,805 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-24 16:11:03,806 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-24 16:11:03,807 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-24 16:11:03,807 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-24 16:11:03,810 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-24 16:11:03,810 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-24 16:11:03,811 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-24 16:11:03,811 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-24 16:11:03,812 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-24 16:11:03,812 INFO L153 SettingsManager]: * Use SBE=true [2023-12-24 16:11:03,813 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-24 16:11:03,813 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-24 16:11:03,813 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-24 16:11:03,813 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-24 16:11:03,813 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-24 16:11:03,814 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-24 16:11:03,814 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-24 16:11:03,814 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-24 16:11:03,814 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-24 16:11:03,814 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-24 16:11:03,814 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-24 16:11:03,815 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-24 16:11:03,815 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-24 16:11:03,815 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-24 16:11:03,815 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-24 16:11:03,816 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-24 16:11:03,816 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-24 16:11:03,816 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-24 16:11:03,816 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-24 16:11:03,816 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-24 16:11:03,817 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-24 16:11:03,817 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-24 16:11:03,817 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-24 16:11:03,817 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-24 16:11:03,817 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-24 16:11:03,817 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-24 16:11:03,817 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-24 16:11:03,818 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-24 16:11:03,818 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-24 16:11:03,818 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-24 16:11:03,818 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-24 16:11:03,818 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-24 16:11:03,992 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-24 16:11:04,016 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-24 16:11:04,018 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-24 16:11:04,019 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-24 16:11:04,022 INFO L274 PluginConnector]: CDTParser initialized [2023-12-24 16:11:04,022 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-20.i [2023-12-24 16:11:05,044 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-24 16:11:05,205 INFO L384 CDTParser]: Found 1 translation units. [2023-12-24 16:11:05,206 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-20.i [2023-12-24 16:11:05,212 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff3f96437/9e7820ff6df14815bfbdb2f5323f4fc4/FLAGb60322e2f [2023-12-24 16:11:05,221 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff3f96437/9e7820ff6df14815bfbdb2f5323f4fc4 [2023-12-24 16:11:05,223 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-24 16:11:05,224 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-24 16:11:05,225 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-24 16:11:05,225 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-24 16:11:05,236 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-24 16:11:05,237 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.12 04:11:05" (1/1) ... [2023-12-24 16:11:05,238 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30a046b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 04:11:05, skipping insertion in model container [2023-12-24 16:11:05,238 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.12 04:11:05" (1/1) ... [2023-12-24 16:11:05,267 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-24 16:11:05,363 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-p_file-20.i[916,929] [2023-12-24 16:11:05,415 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-24 16:11:05,437 INFO L202 MainTranslator]: Completed pre-run [2023-12-24 16:11:05,460 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-p_file-20.i[916,929] [2023-12-24 16:11:05,478 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-24 16:11:05,499 INFO L206 MainTranslator]: Completed translation [2023-12-24 16:11:05,499 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 04:11:05 WrapperNode [2023-12-24 16:11:05,499 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-24 16:11:05,500 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-24 16:11:05,500 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-24 16:11:05,500 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-24 16:11:05,504 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 04:11:05" (1/1) ... [2023-12-24 16:11:05,516 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 04:11:05" (1/1) ... [2023-12-24 16:11:05,569 INFO L138 Inliner]: procedures = 36, calls = 182, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 533 [2023-12-24 16:11:05,569 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-24 16:11:05,570 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-24 16:11:05,570 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-24 16:11:05,570 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-24 16:11:05,578 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 04:11:05" (1/1) ... [2023-12-24 16:11:05,579 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 04:11:05" (1/1) ... [2023-12-24 16:11:05,585 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 04:11:05" (1/1) ... [2023-12-24 16:11:05,624 INFO L175 MemorySlicer]: Split 136 memory accesses to 17 slices as follows [2, 7, 8, 10, 12, 8, 8, 3, 10, 5, 6, 8, 10, 6, 19, 6, 8]. 14 percent of accesses are in the largest equivalence class. The 18 initializations are split as follows [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]. The 20 writes are split as follows [0, 2, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 3, 1, 1]. [2023-12-24 16:11:05,624 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 04:11:05" (1/1) ... [2023-12-24 16:11:05,624 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 04:11:05" (1/1) ... [2023-12-24 16:11:05,660 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 04:11:05" (1/1) ... [2023-12-24 16:11:05,663 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 04:11:05" (1/1) ... [2023-12-24 16:11:05,669 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 04:11:05" (1/1) ... [2023-12-24 16:11:05,672 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 04:11:05" (1/1) ... [2023-12-24 16:11:05,693 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-24 16:11:05,694 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-24 16:11:05,694 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-24 16:11:05,694 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-24 16:11:05,695 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 04:11:05" (1/1) ... [2023-12-24 16:11:05,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-24 16:11:05,716 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-24 16:11:05,737 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 16:11:05,759 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 16:11:05,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-24 16:11:05,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2023-12-24 16:11:05,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2023-12-24 16:11:05,783 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2 [2023-12-24 16:11:05,783 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#3 [2023-12-24 16:11:05,783 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#4 [2023-12-24 16:11:05,783 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#5 [2023-12-24 16:11:05,784 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#6 [2023-12-24 16:11:05,784 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#7 [2023-12-24 16:11:05,784 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#8 [2023-12-24 16:11:05,784 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#9 [2023-12-24 16:11:05,784 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#10 [2023-12-24 16:11:05,784 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#11 [2023-12-24 16:11:05,784 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#12 [2023-12-24 16:11:05,784 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#13 [2023-12-24 16:11:05,784 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#14 [2023-12-24 16:11:05,785 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#15 [2023-12-24 16:11:05,785 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#16 [2023-12-24 16:11:05,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2023-12-24 16:11:05,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2023-12-24 16:11:05,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#2 [2023-12-24 16:11:05,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#3 [2023-12-24 16:11:05,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#4 [2023-12-24 16:11:05,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#5 [2023-12-24 16:11:05,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#6 [2023-12-24 16:11:05,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#7 [2023-12-24 16:11:05,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#8 [2023-12-24 16:11:05,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#9 [2023-12-24 16:11:05,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#10 [2023-12-24 16:11:05,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#11 [2023-12-24 16:11:05,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#12 [2023-12-24 16:11:05,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#13 [2023-12-24 16:11:05,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#14 [2023-12-24 16:11:05,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#15 [2023-12-24 16:11:05,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#16 [2023-12-24 16:11:05,788 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2023-12-24 16:11:05,788 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2023-12-24 16:11:05,788 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2023-12-24 16:11:05,788 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2023-12-24 16:11:05,788 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2023-12-24 16:11:05,788 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2023-12-24 16:11:05,788 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#6 [2023-12-24 16:11:05,788 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#7 [2023-12-24 16:11:05,788 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#8 [2023-12-24 16:11:05,788 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#9 [2023-12-24 16:11:05,788 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#10 [2023-12-24 16:11:05,788 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#11 [2023-12-24 16:11:05,789 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#12 [2023-12-24 16:11:05,789 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#13 [2023-12-24 16:11:05,789 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#14 [2023-12-24 16:11:05,789 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#15 [2023-12-24 16:11:05,789 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#16 [2023-12-24 16:11:05,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-24 16:11:05,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2023-12-24 16:11:05,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2023-12-24 16:11:05,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2023-12-24 16:11:05,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2023-12-24 16:11:05,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2023-12-24 16:11:05,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2023-12-24 16:11:05,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2023-12-24 16:11:05,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2023-12-24 16:11:05,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2023-12-24 16:11:05,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2023-12-24 16:11:05,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2023-12-24 16:11:05,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#12 [2023-12-24 16:11:05,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#13 [2023-12-24 16:11:05,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#14 [2023-12-24 16:11:05,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#15 [2023-12-24 16:11:05,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#16 [2023-12-24 16:11:05,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2023-12-24 16:11:05,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2023-12-24 16:11:05,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2023-12-24 16:11:05,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2023-12-24 16:11:05,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2023-12-24 16:11:05,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2023-12-24 16:11:05,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#6 [2023-12-24 16:11:05,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#7 [2023-12-24 16:11:05,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#8 [2023-12-24 16:11:05,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#9 [2023-12-24 16:11:05,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#10 [2023-12-24 16:11:05,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#11 [2023-12-24 16:11:05,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#12 [2023-12-24 16:11:05,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#13 [2023-12-24 16:11:05,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#14 [2023-12-24 16:11:05,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#15 [2023-12-24 16:11:05,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#16 [2023-12-24 16:11:05,794 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2023-12-24 16:11:05,794 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2023-12-24 16:11:05,794 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2023-12-24 16:11:05,794 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2023-12-24 16:11:05,794 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2023-12-24 16:11:05,794 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2023-12-24 16:11:05,794 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6 [2023-12-24 16:11:05,794 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#7 [2023-12-24 16:11:05,794 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#8 [2023-12-24 16:11:05,794 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#9 [2023-12-24 16:11:05,794 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#10 [2023-12-24 16:11:05,794 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#11 [2023-12-24 16:11:05,794 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#12 [2023-12-24 16:11:05,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#13 [2023-12-24 16:11:05,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#14 [2023-12-24 16:11:05,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#15 [2023-12-24 16:11:05,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#16 [2023-12-24 16:11:05,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#0 [2023-12-24 16:11:05,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#1 [2023-12-24 16:11:05,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#2 [2023-12-24 16:11:05,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#3 [2023-12-24 16:11:05,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#4 [2023-12-24 16:11:05,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#5 [2023-12-24 16:11:05,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#6 [2023-12-24 16:11:05,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#7 [2023-12-24 16:11:05,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#8 [2023-12-24 16:11:05,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#9 [2023-12-24 16:11:05,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#10 [2023-12-24 16:11:05,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#11 [2023-12-24 16:11:05,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#12 [2023-12-24 16:11:05,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#13 [2023-12-24 16:11:05,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#14 [2023-12-24 16:11:05,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#15 [2023-12-24 16:11:05,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#16 [2023-12-24 16:11:05,797 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2023-12-24 16:11:05,797 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2023-12-24 16:11:05,797 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2023-12-24 16:11:05,797 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2023-12-24 16:11:05,797 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2023-12-24 16:11:05,798 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2023-12-24 16:11:05,798 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2023-12-24 16:11:05,798 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2023-12-24 16:11:05,798 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2023-12-24 16:11:05,798 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2023-12-24 16:11:05,798 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2023-12-24 16:11:05,798 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#11 [2023-12-24 16:11:05,799 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#12 [2023-12-24 16:11:05,799 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#13 [2023-12-24 16:11:05,799 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#14 [2023-12-24 16:11:05,799 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#15 [2023-12-24 16:11:05,799 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#16 [2023-12-24 16:11:05,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2023-12-24 16:11:05,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2023-12-24 16:11:05,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2023-12-24 16:11:05,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2023-12-24 16:11:05,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2023-12-24 16:11:05,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2023-12-24 16:11:05,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6 [2023-12-24 16:11:05,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#7 [2023-12-24 16:11:05,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#8 [2023-12-24 16:11:05,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#9 [2023-12-24 16:11:05,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#10 [2023-12-24 16:11:05,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#11 [2023-12-24 16:11:05,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#12 [2023-12-24 16:11:05,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#13 [2023-12-24 16:11:05,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#14 [2023-12-24 16:11:05,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#15 [2023-12-24 16:11:05,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#16 [2023-12-24 16:11:05,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2023-12-24 16:11:05,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2023-12-24 16:11:05,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2023-12-24 16:11:05,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2023-12-24 16:11:05,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2023-12-24 16:11:05,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5 [2023-12-24 16:11:05,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#6 [2023-12-24 16:11:05,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#7 [2023-12-24 16:11:05,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#8 [2023-12-24 16:11:05,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#9 [2023-12-24 16:11:05,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#10 [2023-12-24 16:11:05,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#11 [2023-12-24 16:11:05,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#12 [2023-12-24 16:11:05,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#13 [2023-12-24 16:11:05,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#14 [2023-12-24 16:11:05,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#15 [2023-12-24 16:11:05,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#16 [2023-12-24 16:11:05,809 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-24 16:11:05,809 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-24 16:11:05,809 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-24 16:11:05,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-24 16:11:05,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2023-12-24 16:11:05,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2023-12-24 16:11:05,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2023-12-24 16:11:05,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2023-12-24 16:11:05,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2023-12-24 16:11:05,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2023-12-24 16:11:05,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6 [2023-12-24 16:11:05,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#7 [2023-12-24 16:11:05,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#8 [2023-12-24 16:11:05,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#9 [2023-12-24 16:11:05,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#10 [2023-12-24 16:11:05,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#11 [2023-12-24 16:11:05,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#12 [2023-12-24 16:11:05,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#13 [2023-12-24 16:11:05,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#14 [2023-12-24 16:11:05,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#15 [2023-12-24 16:11:05,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#16 [2023-12-24 16:11:05,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2023-12-24 16:11:05,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2023-12-24 16:11:05,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2023-12-24 16:11:05,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2023-12-24 16:11:05,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2023-12-24 16:11:05,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2023-12-24 16:11:05,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2023-12-24 16:11:05,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2023-12-24 16:11:05,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2023-12-24 16:11:05,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2023-12-24 16:11:05,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2023-12-24 16:11:05,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#11 [2023-12-24 16:11:05,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#12 [2023-12-24 16:11:05,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#13 [2023-12-24 16:11:05,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#14 [2023-12-24 16:11:05,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#15 [2023-12-24 16:11:05,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#16 [2023-12-24 16:11:06,056 INFO L241 CfgBuilder]: Building ICFG [2023-12-24 16:11:06,058 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-24 16:11:14,638 INFO L282 CfgBuilder]: Performing block encoding [2023-12-24 16:11:14,697 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-24 16:11:14,697 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-24 16:11:14,697 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.12 04:11:14 BoogieIcfgContainer [2023-12-24 16:11:14,697 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-24 16:11:14,699 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-24 16:11:14,699 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-24 16:11:14,701 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-24 16:11:14,701 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.12 04:11:05" (1/3) ... [2023-12-24 16:11:14,722 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55806fd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.12 04:11:14, skipping insertion in model container [2023-12-24 16:11:14,722 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 04:11:05" (2/3) ... [2023-12-24 16:11:14,722 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55806fd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.12 04:11:14, skipping insertion in model container [2023-12-24 16:11:14,722 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.12 04:11:14" (3/3) ... [2023-12-24 16:11:14,723 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-20.i [2023-12-24 16:11:14,736 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-24 16:11:14,736 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-24 16:11:14,779 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-24 16:11:14,791 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;@19d6b926, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-24 16:11:14,791 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-24 16:11:14,795 INFO L276 IsEmpty]: Start isEmpty. Operand has 106 states, 84 states have (on average 1.4523809523809523) internal successors, (122), 85 states have internal predecessors, (122), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-12-24 16:11:14,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-12-24 16:11:14,805 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 16:11:14,806 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:11:14,806 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-24 16:11:14,811 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 16:11:14,812 INFO L85 PathProgramCache]: Analyzing trace with hash -293185231, now seen corresponding path program 1 times [2023-12-24 16:11:14,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 16:11:14,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1371841864] [2023-12-24 16:11:14,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 16:11:14,826 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 16:11:14,827 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 16:11:14,829 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 16:11:14,846 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 16:11:15,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 16:11:15,611 INFO L262 TraceCheckSpWp]: Trace formula consists of 397 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-24 16:11:15,617 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 16:11:15,663 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 324 proven. 0 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked. [2023-12-24 16:11:15,663 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 16:11:15,664 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 16:11:15,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1371841864] [2023-12-24 16:11:15,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1371841864] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 16:11:15,664 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 16:11:15,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-24 16:11:15,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427671940] [2023-12-24 16:11:15,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 16:11:15,678 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-24 16:11:15,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 16:11:15,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-24 16:11:15,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-24 16:11:15,718 INFO L87 Difference]: Start difference. First operand has 106 states, 84 states have (on average 1.4523809523809523) internal successors, (122), 85 states have internal predecessors, (122), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-12-24 16:11:15,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 16:11:15,784 INFO L93 Difference]: Finished difference Result 209 states and 337 transitions. [2023-12-24 16:11:15,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-24 16:11:15,786 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 147 [2023-12-24 16:11:15,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 16:11:15,793 INFO L225 Difference]: With dead ends: 209 [2023-12-24 16:11:15,794 INFO L226 Difference]: Without dead ends: 104 [2023-12-24 16:11:15,797 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 146 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 16:11:15,799 INFO L413 NwaCegarLoop]: 147 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-24 16:11:15,799 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 147 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-24 16:11:15,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2023-12-24 16:11:15,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2023-12-24 16:11:15,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 83 states have (on average 1.3614457831325302) internal successors, (113), 83 states have internal predecessors, (113), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-12-24 16:11:15,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 151 transitions. [2023-12-24 16:11:15,827 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 151 transitions. Word has length 147 [2023-12-24 16:11:15,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 16:11:15,827 INFO L495 AbstractCegarLoop]: Abstraction has 104 states and 151 transitions. [2023-12-24 16:11:15,828 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-12-24 16:11:15,828 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 151 transitions. [2023-12-24 16:11:15,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-12-24 16:11:15,830 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 16:11:15,830 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:11:15,850 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-12-24 16:11:16,051 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 16:11:16,051 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-24 16:11:16,052 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 16:11:16,052 INFO L85 PathProgramCache]: Analyzing trace with hash -1121629477, now seen corresponding path program 1 times [2023-12-24 16:11:16,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 16:11:16,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [216717325] [2023-12-24 16:11:16,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 16:11:16,053 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 16:11:16,053 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 16:11:16,054 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 16:11:16,055 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 16:11:16,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 16:11:16,820 INFO L262 TraceCheckSpWp]: Trace formula consists of 397 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-24 16:11:16,824 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 16:11:16,917 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 548 trivial. 0 not checked. [2023-12-24 16:11:16,918 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 16:11:16,918 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 16:11:16,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [216717325] [2023-12-24 16:11:16,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [216717325] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 16:11:16,918 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 16:11:16,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-24 16:11:16,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742835523] [2023-12-24 16:11:16,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 16:11:16,919 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-24 16:11:16,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 16:11:16,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-24 16:11:16,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-24 16:11:16,920 INFO L87 Difference]: Start difference. First operand 104 states and 151 transitions. Second operand has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-12-24 16:11:17,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 16:11:17,056 INFO L93 Difference]: Finished difference Result 213 states and 310 transitions. [2023-12-24 16:11:17,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-24 16:11:17,060 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 147 [2023-12-24 16:11:17,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 16:11:17,061 INFO L225 Difference]: With dead ends: 213 [2023-12-24 16:11:17,061 INFO L226 Difference]: Without dead ends: 110 [2023-12-24 16:11:17,061 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-24 16:11:17,062 INFO L413 NwaCegarLoop]: 148 mSDtfsCounter, 10 mSDsluCounter, 285 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 433 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-24 16:11:17,062 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 433 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-24 16:11:17,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2023-12-24 16:11:17,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 106. [2023-12-24 16:11:17,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 85 states have (on average 1.3529411764705883) internal successors, (115), 85 states have internal predecessors, (115), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-12-24 16:11:17,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 153 transitions. [2023-12-24 16:11:17,071 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 153 transitions. Word has length 147 [2023-12-24 16:11:17,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 16:11:17,072 INFO L495 AbstractCegarLoop]: Abstraction has 106 states and 153 transitions. [2023-12-24 16:11:17,072 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-12-24 16:11:17,072 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 153 transitions. [2023-12-24 16:11:17,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-12-24 16:11:17,073 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 16:11:17,074 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:11:17,095 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 16:11:17,292 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 16:11:17,292 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-24 16:11:17,292 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 16:11:17,293 INFO L85 PathProgramCache]: Analyzing trace with hash -1485095975, now seen corresponding path program 1 times [2023-12-24 16:11:17,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 16:11:17,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1360660866] [2023-12-24 16:11:17,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 16:11:17,293 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 16:11:17,294 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 16:11:17,295 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 16:11:17,299 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 16:11:18,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 16:11:18,132 INFO L262 TraceCheckSpWp]: Trace formula consists of 399 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-24 16:11:18,136 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 16:11:18,337 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 43 [2023-12-24 16:11:18,411 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 548 trivial. 0 not checked. [2023-12-24 16:11:18,411 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 16:11:18,411 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 16:11:18,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1360660866] [2023-12-24 16:11:18,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1360660866] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 16:11:18,412 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 16:11:18,412 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-24 16:11:18,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831067796] [2023-12-24 16:11:18,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 16:11:18,412 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-24 16:11:18,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 16:11:18,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-24 16:11:18,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-12-24 16:11:18,413 INFO L87 Difference]: Start difference. First operand 106 states and 153 transitions. Second operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-12-24 16:11:23,504 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-24 16:11:25,354 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-24 16:11:28,584 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-24 16:11:28,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 16:11:28,969 INFO L93 Difference]: Finished difference Result 215 states and 311 transitions. [2023-12-24 16:11:28,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-24 16:11:28,975 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 147 [2023-12-24 16:11:28,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 16:11:28,975 INFO L225 Difference]: With dead ends: 215 [2023-12-24 16:11:28,975 INFO L226 Difference]: Without dead ends: 110 [2023-12-24 16:11:28,976 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2023-12-24 16:11:28,977 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 165 mSDsluCounter, 301 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 417 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.4s IncrementalHoareTripleChecker+Time [2023-12-24 16:11:28,977 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 417 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 174 Invalid, 1 Unknown, 0 Unchecked, 10.4s Time] [2023-12-24 16:11:28,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2023-12-24 16:11:28,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 104. [2023-12-24 16:11:28,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 83 states have (on average 1.3493975903614457) internal successors, (112), 83 states have internal predecessors, (112), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-12-24 16:11:28,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 150 transitions. [2023-12-24 16:11:28,983 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 150 transitions. Word has length 147 [2023-12-24 16:11:28,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 16:11:28,985 INFO L495 AbstractCegarLoop]: Abstraction has 104 states and 150 transitions. [2023-12-24 16:11:28,985 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-12-24 16:11:28,985 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 150 transitions. [2023-12-24 16:11:28,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-12-24 16:11:28,986 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 16:11:28,987 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:11:29,007 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2023-12-24 16:11:29,190 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 16:11:29,191 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-24 16:11:29,191 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 16:11:29,191 INFO L85 PathProgramCache]: Analyzing trace with hash 169938529, now seen corresponding path program 1 times [2023-12-24 16:11:29,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 16:11:29,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1219363730] [2023-12-24 16:11:29,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 16:11:29,193 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 16:11:29,193 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 16:11:29,194 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 16:11:29,196 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 16:11:29,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 16:11:29,974 INFO L262 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-24 16:11:29,977 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 16:11:30,209 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 41 [2023-12-24 16:11:30,275 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 192 proven. 0 refuted. 0 times theorem prover too weak. 492 trivial. 0 not checked. [2023-12-24 16:11:30,275 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 16:11:30,275 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 16:11:30,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1219363730] [2023-12-24 16:11:30,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1219363730] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 16:11:30,275 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 16:11:30,276 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-24 16:11:30,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75347863] [2023-12-24 16:11:30,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 16:11:30,276 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-24 16:11:30,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 16:11:30,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-24 16:11:30,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-12-24 16:11:30,277 INFO L87 Difference]: Start difference. First operand 104 states and 150 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 5 states have internal predecessors, (60), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-12-24 16:11:34,071 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-24 16:11:39,383 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-24 16:11:40,973 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-24 16:11:41,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 16:11:41,325 INFO L93 Difference]: Finished difference Result 213 states and 308 transitions. [2023-12-24 16:11:41,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-24 16:11:41,330 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 5 states have internal predecessors, (60), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 149 [2023-12-24 16:11:41,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 16:11:41,331 INFO L225 Difference]: With dead ends: 213 [2023-12-24 16:11:41,331 INFO L226 Difference]: Without dead ends: 110 [2023-12-24 16:11:41,331 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2023-12-24 16:11:41,333 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 143 mSDsluCounter, 298 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 416 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.9s IncrementalHoareTripleChecker+Time [2023-12-24 16:11:41,333 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 416 Invalid, 186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 181 Invalid, 1 Unknown, 0 Unchecked, 10.9s Time] [2023-12-24 16:11:41,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2023-12-24 16:11:41,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 104. [2023-12-24 16:11:41,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 83 states have (on average 1.3373493975903614) internal successors, (111), 83 states have internal predecessors, (111), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-12-24 16:11:41,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 149 transitions. [2023-12-24 16:11:41,339 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 149 transitions. Word has length 149 [2023-12-24 16:11:41,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 16:11:41,339 INFO L495 AbstractCegarLoop]: Abstraction has 104 states and 149 transitions. [2023-12-24 16:11:41,339 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 5 states have internal predecessors, (60), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-12-24 16:11:41,339 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 149 transitions. [2023-12-24 16:11:41,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2023-12-24 16:11:41,341 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 16:11:41,341 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:11:41,363 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 (5)] Forceful destruction successful, exit code 0 [2023-12-24 16:11:41,544 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 16:11:41,546 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-24 16:11:41,547 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 16:11:41,547 INFO L85 PathProgramCache]: Analyzing trace with hash -760123493, now seen corresponding path program 1 times [2023-12-24 16:11:41,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 16:11:41,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2134772286] [2023-12-24 16:11:41,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 16:11:41,548 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 16:11:41,548 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 16:11:41,549 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 16:11:41,550 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 16:11:42,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 16:11:42,424 INFO L262 TraceCheckSpWp]: Trace formula consists of 409 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-24 16:11:42,427 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 16:11:42,674 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 41 [2023-12-24 16:11:42,729 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 240 proven. 0 refuted. 0 times theorem prover too weak. 444 trivial. 0 not checked. [2023-12-24 16:11:42,729 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 16:11:42,729 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 16:11:42,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2134772286] [2023-12-24 16:11:42,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2134772286] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 16:11:42,729 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 16:11:42,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-24 16:11:42,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308122937] [2023-12-24 16:11:42,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 16:11:42,730 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-24 16:11:42,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 16:11:42,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-24 16:11:42,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-12-24 16:11:42,731 INFO L87 Difference]: Start difference. First operand 104 states and 149 transitions. Second operand has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 5 states have internal predecessors, (62), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-12-24 16:11:47,832 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-24 16:11:50,619 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-24 16:11:53,364 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-24 16:11:56,479 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-24 16:11:56,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 16:11:56,845 INFO L93 Difference]: Finished difference Result 213 states and 306 transitions. [2023-12-24 16:11:56,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-24 16:11:56,850 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 5 states have internal predecessors, (62), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 151 [2023-12-24 16:11:56,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 16:11:56,851 INFO L225 Difference]: With dead ends: 213 [2023-12-24 16:11:56,851 INFO L226 Difference]: Without dead ends: 110 [2023-12-24 16:11:56,851 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2023-12-24 16:11:56,852 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 134 mSDsluCounter, 298 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 414 SdHoareTripleChecker+Invalid, 184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 179 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.0s IncrementalHoareTripleChecker+Time [2023-12-24 16:11:56,852 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 414 Invalid, 184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 179 Invalid, 1 Unknown, 0 Unchecked, 14.0s Time] [2023-12-24 16:11:56,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2023-12-24 16:11:56,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 104. [2023-12-24 16:11:56,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 83 states have (on average 1.3253012048192772) internal successors, (110), 83 states have internal predecessors, (110), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-12-24 16:11:56,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 148 transitions. [2023-12-24 16:11:56,860 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 148 transitions. Word has length 151 [2023-12-24 16:11:56,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 16:11:56,860 INFO L495 AbstractCegarLoop]: Abstraction has 104 states and 148 transitions. [2023-12-24 16:11:56,860 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 5 states have internal predecessors, (62), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-12-24 16:11:56,861 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 148 transitions. [2023-12-24 16:11:56,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-12-24 16:11:56,861 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 16:11:56,862 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:11:56,893 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 16:11:57,082 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 16:11:57,083 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-24 16:11:57,083 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 16:11:57,083 INFO L85 PathProgramCache]: Analyzing trace with hash -1173637855, now seen corresponding path program 1 times [2023-12-24 16:11:57,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 16:11:57,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2080466328] [2023-12-24 16:11:57,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 16:11:57,084 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 16:11:57,084 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 16:11:57,088 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 16:11:57,089 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 16:11:57,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 16:11:57,934 INFO L262 TraceCheckSpWp]: Trace formula consists of 415 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-24 16:11:57,937 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 16:11:58,340 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-24 16:11:58,341 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 155 treesize of output 65 [2023-12-24 16:11:58,392 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 372 trivial. 0 not checked. [2023-12-24 16:11:58,392 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 16:11:58,392 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 16:11:58,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2080466328] [2023-12-24 16:11:58,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2080466328] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 16:11:58,392 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 16:11:58,392 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-24 16:11:58,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278679765] [2023-12-24 16:11:58,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 16:11:58,393 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-24 16:11:58,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 16:11:58,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-24 16:11:58,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-12-24 16:11:58,394 INFO L87 Difference]: Start difference. First operand 104 states and 148 transitions. Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 5 states have internal predecessors, (64), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-12-24 16:12:03,704 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-24 16:12:05,230 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-24 16:12:09,239 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-24 16:12:09,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 16:12:09,626 INFO L93 Difference]: Finished difference Result 213 states and 304 transitions. [2023-12-24 16:12:09,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-24 16:12:09,631 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 5 states have internal predecessors, (64), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 153 [2023-12-24 16:12:09,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 16:12:09,632 INFO L225 Difference]: With dead ends: 213 [2023-12-24 16:12:09,632 INFO L226 Difference]: Without dead ends: 110 [2023-12-24 16:12:09,632 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2023-12-24 16:12:09,633 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 119 mSDsluCounter, 292 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 408 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.1s IncrementalHoareTripleChecker+Time [2023-12-24 16:12:09,633 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 408 Invalid, 186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 181 Invalid, 1 Unknown, 0 Unchecked, 11.1s Time] [2023-12-24 16:12:09,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2023-12-24 16:12:09,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 104. [2023-12-24 16:12:09,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 83 states have (on average 1.3132530120481927) internal successors, (109), 83 states have internal predecessors, (109), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-12-24 16:12:09,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 147 transitions. [2023-12-24 16:12:09,638 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 147 transitions. Word has length 153 [2023-12-24 16:12:09,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 16:12:09,638 INFO L495 AbstractCegarLoop]: Abstraction has 104 states and 147 transitions. [2023-12-24 16:12:09,638 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 5 states have internal predecessors, (64), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-12-24 16:12:09,638 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 147 transitions. [2023-12-24 16:12:09,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2023-12-24 16:12:09,639 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 16:12:09,639 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:12:09,660 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 16:12:09,850 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 16:12:09,851 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-24 16:12:09,851 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 16:12:09,851 INFO L85 PathProgramCache]: Analyzing trace with hash -332397785, now seen corresponding path program 1 times [2023-12-24 16:12:09,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 16:12:09,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [935642893] [2023-12-24 16:12:09,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 16:12:09,852 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 16:12:09,853 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 16:12:09,854 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 16:12:09,888 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 Received shutdown request... [2023-12-24 16:25:54,227 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 16:25:54,265 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 16:25:55,312 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 [2023-12-24 16:25:55,466 WARN L435 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)] Forcibly destroying the process [2023-12-24 16:25:55,506 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 137 [2023-12-24 16:25:55,507 ERROR L246 FreeRefinementEngine]: Caught known exception: Timeout or Toolchain cancelled by user [2023-12-24 16:25:55,509 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-24 16:25:55,509 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 156 with TraceHistMax 19,while AutomatonFreeRefinementEngine was Timeout during feasibility check between IpTcStrategyModuleMathsat [935642893] and IpTcStrategyModuleCvc4 [665630407]. [2023-12-24 16:25:55,513 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2023-12-24 16:25:55,515 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-24 16:25:55,516 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.12 04:25:55 BoogieIcfgContainer [2023-12-24 16:25:55,516 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-24 16:25:55,517 INFO L158 Benchmark]: Toolchain (without parser) took 890292.59ms. Allocated memory was 222.3MB in the beginning and 274.7MB in the end (delta: 52.4MB). Free memory was 157.0MB in the beginning and 102.3MB in the end (delta: 54.7MB). Peak memory consumption was 107.6MB. Max. memory is 8.0GB. [2023-12-24 16:25:55,517 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 222.3MB. Free memory is still 173.1MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-24 16:25:55,517 INFO L158 Benchmark]: CACSL2BoogieTranslator took 274.19ms. Allocated memory was 222.3MB in the beginning and 274.7MB in the end (delta: 52.4MB). Free memory was 156.7MB in the beginning and 240.0MB in the end (delta: -83.3MB). Peak memory consumption was 18.1MB. Max. memory is 8.0GB. [2023-12-24 16:25:55,518 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.82ms. Allocated memory is still 274.7MB. Free memory was 240.0MB in the beginning and 236.8MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-12-24 16:25:55,518 INFO L158 Benchmark]: Boogie Preprocessor took 123.35ms. Allocated memory is still 274.7MB. Free memory was 236.8MB in the beginning and 227.9MB in the end (delta: 8.9MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2023-12-24 16:25:55,518 INFO L158 Benchmark]: RCFGBuilder took 9003.30ms. Allocated memory is still 274.7MB. Free memory was 227.9MB in the beginning and 167.1MB in the end (delta: 60.8MB). Peak memory consumption was 60.8MB. Max. memory is 8.0GB. [2023-12-24 16:25:55,518 INFO L158 Benchmark]: TraceAbstraction took 880817.80ms. Allocated memory is still 274.7MB. Free memory was 166.6MB in the beginning and 102.3MB in the end (delta: 64.3MB). Peak memory consumption was 64.3MB. Max. memory is 8.0GB. [2023-12-24 16:25:55,521 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 222.3MB. Free memory is still 173.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 274.19ms. Allocated memory was 222.3MB in the beginning and 274.7MB in the end (delta: 52.4MB). Free memory was 156.7MB in the beginning and 240.0MB in the end (delta: -83.3MB). Peak memory consumption was 18.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 69.82ms. Allocated memory is still 274.7MB. Free memory was 240.0MB in the beginning and 236.8MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 123.35ms. Allocated memory is still 274.7MB. Free memory was 236.8MB in the beginning and 227.9MB in the end (delta: 8.9MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * RCFGBuilder took 9003.30ms. Allocated memory is still 274.7MB. Free memory was 227.9MB in the beginning and 167.1MB in the end (delta: 60.8MB). Peak memory consumption was 60.8MB. Max. memory is 8.0GB. * TraceAbstraction took 880817.80ms. Allocated memory is still 274.7MB. Free memory was 166.6MB in the beginning and 102.3MB in the end (delta: 64.3MB). Peak memory consumption was 64.3MB. 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 156 with TraceHistMax 19,while AutomatonFreeRefinementEngine was Timeout during feasibility check between IpTcStrategyModuleMathsat [935642893] and IpTcStrategyModuleCvc4 [665630407]. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 106 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 880.7s, OverallIterations: 7, TraceHistogramMax: 19, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 47.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 4 mSolverCounterUnknown, 572 SdHoareTripleChecker+Valid, 46.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 571 mSDsluCounter, 2235 SdHoareTripleChecker+Invalid, 45.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1474 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 743 IncrementalHoareTripleChecker+Invalid, 765 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 761 mSDtfsCounter, 743 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 905 GetRequests, 870 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=106occurred in iteration=0, InterpolantAutomatonStates: 39, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 28 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 3.6s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 894 NumberOfCodeBlocks, 894 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 888 ConstructedInterpolants, 0 QuantifiedInterpolants, 1416 SizeOfPredicates, 29 NumberOfNonLiveVariables, 2420 ConjunctsInSsa, 36 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 4104/4104 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 !ENTRY org.eclipse.osgi 4 0 2023-12-24 16:25:55.595 !MESSAGE Application error !STACK 1 org.eclipse.core.internal.resources.ResourceException(/)[568]: java.io.FileNotFoundException: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff3f96437/.metadata/.plugins/org.eclipse.core.resources/.root/1.tree (No such file or directory) at java.base/java.io.FileOutputStream.open0(Native Method) at java.base/java.io.FileOutputStream.open(FileOutputStream.java:298) at java.base/java.io.FileOutputStream.(FileOutputStream.java:237) at java.base/java.io.FileOutputStream.(FileOutputStream.java:187) at org.eclipse.core.internal.localstore.SafeFileOutputStream.(SafeFileOutputStream.java:55) at org.eclipse.core.internal.resources.SaveManager.saveTree(SaveManager.java:1381) at org.eclipse.core.internal.resources.SaveManager.save(SaveManager.java:1168) at org.eclipse.core.internal.resources.Workspace.save(Workspace.java:2333) at org.eclipse.core.internal.resources.Workspace.save(Workspace.java:2322) at de.uni_freiburg.informatik.ultimate.core.coreplugin.UltimateCore.start(UltimateCore.java:190) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438)