/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-0.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-24 15:58:28,559 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-24 15:58:28,627 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 15:58:28,631 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-24 15:58:28,632 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-24 15:58:28,651 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-24 15:58:28,652 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-24 15:58:28,652 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-24 15:58:28,653 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-24 15:58:28,656 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-24 15:58:28,656 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-24 15:58:28,656 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-24 15:58:28,657 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-24 15:58:28,658 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-24 15:58:28,658 INFO L153 SettingsManager]: * Use SBE=true [2023-12-24 15:58:28,658 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-24 15:58:28,658 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-24 15:58:28,659 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-24 15:58:28,659 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-24 15:58:28,659 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-24 15:58:28,659 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-24 15:58:28,659 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-24 15:58:28,659 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-24 15:58:28,660 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-24 15:58:28,660 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-24 15:58:28,660 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-24 15:58:28,660 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-24 15:58:28,660 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-24 15:58:28,660 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-24 15:58:28,660 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-24 15:58:28,661 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-24 15:58:28,661 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-24 15:58:28,661 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-24 15:58:28,661 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-24 15:58:28,662 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-24 15:58:28,662 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-24 15:58:28,662 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-24 15:58:28,662 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-24 15:58:28,662 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-24 15:58:28,662 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-24 15:58:28,662 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-24 15:58:28,662 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-24 15:58:28,663 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-24 15:58:28,663 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-24 15:58:28,663 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-24 15:58:28,663 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-24 15:58:28,663 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-24 15:58:28,854 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-24 15:58:28,867 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-24 15:58:28,869 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-24 15:58:28,870 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-24 15:58:28,871 INFO L274 PluginConnector]: CDTParser initialized [2023-12-24 15:58:28,872 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-0.i [2023-12-24 15:58:29,930 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-24 15:58:30,069 INFO L384 CDTParser]: Found 1 translation units. [2023-12-24 15:58:30,069 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-0.i [2023-12-24 15:58:30,082 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f17a76962/f789307ecbe84372bfe0ef2dfc52882e/FLAG1b9e37ae1 [2023-12-24 15:58:30,092 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f17a76962/f789307ecbe84372bfe0ef2dfc52882e [2023-12-24 15:58:30,094 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-24 15:58:30,095 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-24 15:58:30,096 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-24 15:58:30,096 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-24 15:58:30,100 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-24 15:58:30,101 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.12 03:58:30" (1/1) ... [2023-12-24 15:58:30,101 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e9bf7fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 03:58:30, skipping insertion in model container [2023-12-24 15:58:30,102 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.12 03:58:30" (1/1) ... [2023-12-24 15:58:30,133 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-24 15:58:30,246 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-0.i[915,928] [2023-12-24 15:58:30,275 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-24 15:58:30,287 INFO L202 MainTranslator]: Completed pre-run [2023-12-24 15:58:30,295 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-0.i[915,928] [2023-12-24 15:58:30,311 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-24 15:58:30,325 INFO L206 MainTranslator]: Completed translation [2023-12-24 15:58:30,325 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 03:58:30 WrapperNode [2023-12-24 15:58:30,325 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-24 15:58:30,326 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-24 15:58:30,326 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-24 15:58:30,326 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-24 15:58:30,331 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 03:58:30" (1/1) ... [2023-12-24 15:58:30,341 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 03:58:30" (1/1) ... [2023-12-24 15:58:30,366 INFO L138 Inliner]: procedures = 33, calls = 119, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 384 [2023-12-24 15:58:30,366 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-24 15:58:30,367 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-24 15:58:30,367 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-24 15:58:30,367 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-24 15:58:30,375 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 03:58:30" (1/1) ... [2023-12-24 15:58:30,375 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 03:58:30" (1/1) ... [2023-12-24 15:58:30,383 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 03:58:30" (1/1) ... [2023-12-24 15:58:30,399 INFO L175 MemorySlicer]: Split 91 memory accesses to 10 slices as follows [2, 9, 8, 22, 14, 10, 8, 6, 6, 6]. 24 percent of accesses are in the largest equivalence class. The 11 initializations are split as follows [2, 1, 1, 1, 1, 1, 1, 1, 1, 1]. The 13 writes are split as follows [0, 2, 1, 1, 1, 4, 1, 1, 1, 1]. [2023-12-24 15:58:30,399 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 03:58:30" (1/1) ... [2023-12-24 15:58:30,399 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 03:58:30" (1/1) ... [2023-12-24 15:58:30,414 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 03:58:30" (1/1) ... [2023-12-24 15:58:30,417 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 03:58:30" (1/1) ... [2023-12-24 15:58:30,421 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 03:58:30" (1/1) ... [2023-12-24 15:58:30,423 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 03:58:30" (1/1) ... [2023-12-24 15:58:30,428 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-24 15:58:30,429 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-24 15:58:30,429 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-24 15:58:30,429 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-24 15:58:30,430 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 03:58:30" (1/1) ... [2023-12-24 15:58:30,433 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-24 15:58:30,443 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-24 15:58:30,477 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 15:58:30,512 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 15:58:30,519 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-24 15:58:30,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2023-12-24 15:58:30,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2023-12-24 15:58:30,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2 [2023-12-24 15:58:30,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#3 [2023-12-24 15:58:30,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#4 [2023-12-24 15:58:30,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#5 [2023-12-24 15:58:30,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#6 [2023-12-24 15:58:30,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#7 [2023-12-24 15:58:30,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#8 [2023-12-24 15:58:30,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#9 [2023-12-24 15:58:30,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2023-12-24 15:58:30,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2023-12-24 15:58:30,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#2 [2023-12-24 15:58:30,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#3 [2023-12-24 15:58:30,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#4 [2023-12-24 15:58:30,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#5 [2023-12-24 15:58:30,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#6 [2023-12-24 15:58:30,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#7 [2023-12-24 15:58:30,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#8 [2023-12-24 15:58:30,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#9 [2023-12-24 15:58:30,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2023-12-24 15:58:30,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2023-12-24 15:58:30,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2023-12-24 15:58:30,524 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2023-12-24 15:58:30,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2023-12-24 15:58:30,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2023-12-24 15:58:30,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#6 [2023-12-24 15:58:30,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#7 [2023-12-24 15:58:30,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#8 [2023-12-24 15:58:30,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#9 [2023-12-24 15:58:30,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#0 [2023-12-24 15:58:30,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#1 [2023-12-24 15:58:30,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#2 [2023-12-24 15:58:30,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#3 [2023-12-24 15:58:30,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#4 [2023-12-24 15:58:30,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#5 [2023-12-24 15:58:30,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#6 [2023-12-24 15:58:30,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#7 [2023-12-24 15:58:30,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#8 [2023-12-24 15:58:30,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#9 [2023-12-24 15:58:30,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-24 15:58:30,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2023-12-24 15:58:30,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2023-12-24 15:58:30,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2023-12-24 15:58:30,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2023-12-24 15:58:30,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2023-12-24 15:58:30,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2023-12-24 15:58:30,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2023-12-24 15:58:30,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2023-12-24 15:58:30,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2023-12-24 15:58:30,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#0 [2023-12-24 15:58:30,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#1 [2023-12-24 15:58:30,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#2 [2023-12-24 15:58:30,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#3 [2023-12-24 15:58:30,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#4 [2023-12-24 15:58:30,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#5 [2023-12-24 15:58:30,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#6 [2023-12-24 15:58:30,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#7 [2023-12-24 15:58:30,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#8 [2023-12-24 15:58:30,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#9 [2023-12-24 15:58:30,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2023-12-24 15:58:30,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2023-12-24 15:58:30,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#2 [2023-12-24 15:58:30,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#3 [2023-12-24 15:58:30,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#4 [2023-12-24 15:58:30,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#5 [2023-12-24 15:58:30,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#6 [2023-12-24 15:58:30,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#7 [2023-12-24 15:58:30,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#8 [2023-12-24 15:58:30,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#9 [2023-12-24 15:58:30,528 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-24 15:58:30,528 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-24 15:58:30,528 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-24 15:58:30,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-24 15:58:30,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2023-12-24 15:58:30,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2023-12-24 15:58:30,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2023-12-24 15:58:30,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2023-12-24 15:58:30,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2023-12-24 15:58:30,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2023-12-24 15:58:30,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6 [2023-12-24 15:58:30,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#7 [2023-12-24 15:58:30,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#8 [2023-12-24 15:58:30,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#9 [2023-12-24 15:58:30,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2023-12-24 15:58:30,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2023-12-24 15:58:30,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#2 [2023-12-24 15:58:30,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#3 [2023-12-24 15:58:30,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#4 [2023-12-24 15:58:30,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#5 [2023-12-24 15:58:30,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#6 [2023-12-24 15:58:30,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#7 [2023-12-24 15:58:30,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#8 [2023-12-24 15:58:30,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#9 [2023-12-24 15:58:30,756 INFO L241 CfgBuilder]: Building ICFG [2023-12-24 15:58:30,758 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-24 15:58:50,372 INFO L282 CfgBuilder]: Performing block encoding [2023-12-24 15:58:50,404 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-24 15:58:50,405 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-24 15:58:50,405 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.12 03:58:50 BoogieIcfgContainer [2023-12-24 15:58:50,405 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-24 15:58:50,406 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-24 15:58:50,407 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-24 15:58:50,409 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-24 15:58:50,409 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.12 03:58:30" (1/3) ... [2023-12-24 15:58:50,409 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54ffdb0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.12 03:58:50, skipping insertion in model container [2023-12-24 15:58:50,409 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 03:58:30" (2/3) ... [2023-12-24 15:58:50,410 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54ffdb0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.12 03:58:50, skipping insertion in model container [2023-12-24 15:58:50,410 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.12 03:58:50" (3/3) ... [2023-12-24 15:58:50,411 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-0.i [2023-12-24 15:58:50,423 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-24 15:58:50,423 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-24 15:58:50,456 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-24 15:58:50,460 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;@25da11a4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-24 15:58:50,461 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-24 15:58:50,464 INFO L276 IsEmpty]: Start isEmpty. Operand has 78 states, 67 states have (on average 1.507462686567164) internal successors, (101), 68 states have internal predecessors, (101), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-12-24 15:58:50,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-24 15:58:50,471 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 15:58:50,472 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:58:50,472 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-24 15:58:50,476 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 15:58:50,476 INFO L85 PathProgramCache]: Analyzing trace with hash -394818290, now seen corresponding path program 1 times [2023-12-24 15:58:50,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 15:58:50,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [321089591] [2023-12-24 15:58:50,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 15:58:50,486 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 15:58:50,486 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 15:58:50,488 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 15:58:50,515 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 15:58:50,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 15:58:50,985 INFO L262 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-24 15:58:50,990 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 15:58:51,011 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2023-12-24 15:58:51,011 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 15:58:51,012 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 15:58:51,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [321089591] [2023-12-24 15:58:51,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [321089591] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 15:58:51,013 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 15:58:51,013 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-24 15:58:51,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222590852] [2023-12-24 15:58:51,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 15:58:51,017 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-24 15:58:51,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 15:58:51,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-24 15:58:51,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-24 15:58:51,037 INFO L87 Difference]: Start difference. First operand has 78 states, 67 states have (on average 1.507462686567164) internal successors, (101), 68 states have internal predecessors, (101), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-12-24 15:58:51,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 15:58:51,079 INFO L93 Difference]: Finished difference Result 150 states and 235 transitions. [2023-12-24 15:58:51,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-24 15:58:51,081 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 73 [2023-12-24 15:58:51,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 15:58:51,086 INFO L225 Difference]: With dead ends: 150 [2023-12-24 15:58:51,086 INFO L226 Difference]: Without dead ends: 73 [2023-12-24 15:58:51,089 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 72 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 15:58:51,091 INFO L413 NwaCegarLoop]: 99 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, 99 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 15:58:51,092 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 99 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-24 15:58:51,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2023-12-24 15:58:51,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2023-12-24 15:58:51,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 63 states have (on average 1.380952380952381) internal successors, (87), 63 states have internal predecessors, (87), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-12-24 15:58:51,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 103 transitions. [2023-12-24 15:58:51,132 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 103 transitions. Word has length 73 [2023-12-24 15:58:51,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 15:58:51,132 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 103 transitions. [2023-12-24 15:58:51,133 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-12-24 15:58:51,133 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 103 transitions. [2023-12-24 15:58:51,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-24 15:58:51,138 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 15:58:51,138 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:58:51,151 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-12-24 15:58:51,350 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 15:58:51,352 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-24 15:58:51,353 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 15:58:51,353 INFO L85 PathProgramCache]: Analyzing trace with hash 892840410, now seen corresponding path program 1 times [2023-12-24 15:58:51,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 15:58:51,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [477127327] [2023-12-24 15:58:51,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 15:58:51,354 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 15:58:51,354 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 15:58:51,355 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 15:58:51,386 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 15:58:51,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 15:58:51,808 INFO L262 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-24 15:58:51,812 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 15:58:51,874 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-12-24 15:58:51,874 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 15:58:51,875 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 15:58:51,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [477127327] [2023-12-24 15:58:51,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [477127327] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 15:58:51,875 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 15:58:51,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-24 15:58:51,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103665470] [2023-12-24 15:58:51,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 15:58:51,876 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-24 15:58:51,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 15:58:51,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-24 15:58:51,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-24 15:58:51,877 INFO L87 Difference]: Start difference. First operand 73 states and 103 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-12-24 15:58:52,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 15:58:52,055 INFO L93 Difference]: Finished difference Result 151 states and 214 transitions. [2023-12-24 15:58:52,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-24 15:58:52,057 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 73 [2023-12-24 15:58:52,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 15:58:52,060 INFO L225 Difference]: With dead ends: 151 [2023-12-24 15:58:52,060 INFO L226 Difference]: Without dead ends: 79 [2023-12-24 15:58:52,061 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 70 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 15:58:52,062 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 10 mSDsluCounter, 188 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-24 15:58:52,063 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 286 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-24 15:58:52,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2023-12-24 15:58:52,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 75. [2023-12-24 15:58:52,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 65 states have (on average 1.3692307692307693) internal successors, (89), 65 states have internal predecessors, (89), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-12-24 15:58:52,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 105 transitions. [2023-12-24 15:58:52,069 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 105 transitions. Word has length 73 [2023-12-24 15:58:52,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 15:58:52,070 INFO L495 AbstractCegarLoop]: Abstraction has 75 states and 105 transitions. [2023-12-24 15:58:52,070 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-12-24 15:58:52,070 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 105 transitions. [2023-12-24 15:58:52,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-24 15:58:52,071 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 15:58:52,071 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:58:52,083 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 15:58:52,274 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 15:58:52,274 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-24 15:58:52,275 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 15:58:52,275 INFO L85 PathProgramCache]: Analyzing trace with hash 332140632, now seen corresponding path program 1 times [2023-12-24 15:58:52,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 15:58:52,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [53974249] [2023-12-24 15:58:52,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 15:58:52,275 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 15:58:52,276 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 15:58:52,283 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 15:58:52,284 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 15:58:52,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 15:58:52,709 INFO L262 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-24 15:58:52,712 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 15:58:52,892 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-24 15:58:52,893 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 15:58:52,952 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-12-24 15:58:52,952 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 15:58:52,952 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 15:58:52,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [53974249] [2023-12-24 15:58:52,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [53974249] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 15:58:52,953 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 15:58:52,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-24 15:58:52,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007055288] [2023-12-24 15:58:52,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 15:58:52,953 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-24 15:58:52,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 15:58:52,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-24 15:58:52,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-12-24 15:58:52,954 INFO L87 Difference]: Start difference. First operand 75 states and 105 transitions. Second operand has 6 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-12-24 15:58:57,497 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-24 15:59:01,500 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-24 15:59:04,474 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-24 15:59:08,676 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-24 15:59:12,680 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-24 15:59:15,544 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-24 15:59:17,056 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-24 15:59:24,712 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-24 15:59:28,719 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-24 15:59:30,923 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-24 15:59:35,125 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-24 15:59:38,981 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.85s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-24 15:59:39,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 15:59:39,089 INFO L93 Difference]: Finished difference Result 153 states and 215 transitions. [2023-12-24 15:59:39,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-24 15:59:39,137 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 73 [2023-12-24 15:59:39,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 15:59:39,138 INFO L225 Difference]: With dead ends: 153 [2023-12-24 15:59:39,138 INFO L226 Difference]: Without dead ends: 79 [2023-12-24 15:59:39,138 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 68 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 15:59:39,139 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 111 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 5 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 45.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 265 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 46.0s IncrementalHoareTripleChecker+Time [2023-12-24 15:59:39,139 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 265 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 128 Invalid, 7 Unknown, 0 Unchecked, 46.0s Time] [2023-12-24 15:59:39,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2023-12-24 15:59:39,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 73. [2023-12-24 15:59:39,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 63 states have (on average 1.3650793650793651) internal successors, (86), 63 states have internal predecessors, (86), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-12-24 15:59:39,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 102 transitions. [2023-12-24 15:59:39,145 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 102 transitions. Word has length 73 [2023-12-24 15:59:39,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 15:59:39,145 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 102 transitions. [2023-12-24 15:59:39,145 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-12-24 15:59:39,145 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 102 transitions. [2023-12-24 15:59:39,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-12-24 15:59:39,146 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 15:59:39,146 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:59:39,159 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-12-24 15:59:39,346 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 15:59:39,347 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-24 15:59:39,347 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 15:59:39,347 INFO L85 PathProgramCache]: Analyzing trace with hash 547379808, now seen corresponding path program 1 times [2023-12-24 15:59:39,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 15:59:39,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2059487581] [2023-12-24 15:59:39,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 15:59:39,348 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 15:59:39,348 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 15:59:39,349 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 15:59:39,351 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 15:59:39,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 15:59:39,815 INFO L262 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-24 15:59:39,818 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 15:59:40,094 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-24 15:59:40,094 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 154 treesize of output 64 [2023-12-24 15:59:40,243 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 60 proven. 8 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-24 15:59:40,243 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-24 15:59:40,643 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-24 15:59:40,644 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 98 treesize of output 1 [2023-12-24 15:59:40,651 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 6 proven. 15 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2023-12-24 15:59:40,651 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 15:59:40,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2059487581] [2023-12-24 15:59:40,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2059487581] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-24 15:59:40,651 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-24 15:59:40,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 12 [2023-12-24 15:59:40,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2913305] [2023-12-24 15:59:40,651 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-24 15:59:40,653 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-24 15:59:40,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 15:59:40,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-24 15:59:40,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2023-12-24 15:59:40,655 INFO L87 Difference]: Start difference. First operand 73 states and 102 transitions. Second operand has 12 states, 11 states have (on average 5.181818181818182) internal successors, (57), 12 states have internal predecessors, (57), 4 states have call successors, (15), 3 states have call predecessors, (15), 4 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) [2023-12-24 15:59:45,973 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-24 15:59:48,399 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-24 15:59:52,803 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-24 15:59:56,807 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-24 16:00:00,816 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-24 16:00:01,826 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-24 16:00:04,121 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-24 16:00:05,400 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-24 16:00:11,521 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-24 16:00:14,355 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-24 16:00:18,789 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-24 16:00:22,796 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-24 16:00:26,802 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-24 16:00:30,806 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-24 16:00:32,403 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-24 16:00:32,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 16:00:32,669 INFO L93 Difference]: Finished difference Result 158 states and 218 transitions. [2023-12-24 16:00:32,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-24 16:00:32,715 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.181818181818182) internal successors, (57), 12 states have internal predecessors, (57), 4 states have call successors, (15), 3 states have call predecessors, (15), 4 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) Word has length 75 [2023-12-24 16:00:32,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 16:00:32,715 INFO L225 Difference]: With dead ends: 158 [2023-12-24 16:00:32,715 INFO L226 Difference]: Without dead ends: 75 [2023-12-24 16:00:32,716 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=109, Invalid=353, Unknown=0, NotChecked=0, Total=462 [2023-12-24 16:00:32,716 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 113 mSDsluCounter, 340 mSDsCounter, 0 mSdLazyCounter, 304 mSolverCounterSat, 9 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 50.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 405 SdHoareTripleChecker+Invalid, 322 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 304 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 51.5s IncrementalHoareTripleChecker+Time [2023-12-24 16:00:32,717 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 405 Invalid, 322 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 304 Invalid, 9 Unknown, 0 Unchecked, 51.5s Time] [2023-12-24 16:00:32,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2023-12-24 16:00:32,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 73. [2023-12-24 16:00:32,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 63 states have (on average 1.3333333333333333) internal successors, (84), 63 states have internal predecessors, (84), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-12-24 16:00:32,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 100 transitions. [2023-12-24 16:00:32,721 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 100 transitions. Word has length 75 [2023-12-24 16:00:32,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 16:00:32,722 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 100 transitions. [2023-12-24 16:00:32,722 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.181818181818182) internal successors, (57), 12 states have internal predecessors, (57), 4 states have call successors, (15), 3 states have call predecessors, (15), 4 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) [2023-12-24 16:00:32,722 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 100 transitions. [2023-12-24 16:00:32,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-12-24 16:00:32,722 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 16:00:32,723 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:00:32,741 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2023-12-24 16:00:32,923 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 16:00:32,923 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-24 16:00:32,924 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 16:00:32,924 INFO L85 PathProgramCache]: Analyzing trace with hash -1414194850, now seen corresponding path program 1 times [2023-12-24 16:00:32,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 16:00:32,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [786009893] [2023-12-24 16:00:32,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 16:00:32,924 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 16:00:32,925 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 16:00:32,925 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 16:00:32,927 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 16:00:33,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 16:00:33,475 INFO L262 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-24 16:00:33,478 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 16:00:33,748 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-24 16:00:33,749 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 16:00:33,806 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2023-12-24 16:00:33,806 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 16:00:33,806 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 16:00:33,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [786009893] [2023-12-24 16:00:33,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [786009893] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 16:00:33,806 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 16:00:33,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-24 16:00:33,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915644783] [2023-12-24 16:00:33,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 16:00:33,807 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-24 16:00:33,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 16:00:33,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-24 16:00:33,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-12-24 16:00:33,808 INFO L87 Difference]: Start difference. First operand 73 states and 100 transitions. Second operand has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 5 states have internal predecessors, (41), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-12-24 16:00:38,360 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-24 16:00:42,364 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-24 16:00:46,372 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-24 16:00:48,221 WARN L539 Checker$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 16:00:52,370 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-24 16:00:56,000 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-24 16:01:03,844 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-24 16:01:07,851 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-24 16:01:11,854 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-24 16:01:15,860 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-24 16:01:19,999 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-24 16:01:24,005 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-24 16:01:24,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 16:01:24,171 INFO L93 Difference]: Finished difference Result 151 states and 208 transitions. [2023-12-24 16:01:24,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-24 16:01:24,220 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 5 states have internal predecessors, (41), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 75 [2023-12-24 16:01:24,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 16:01:24,221 INFO L225 Difference]: With dead ends: 151 [2023-12-24 16:01:24,221 INFO L226 Difference]: Without dead ends: 79 [2023-12-24 16:01:24,222 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 70 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 16:01:24,222 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 93 mSDsluCounter, 184 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 5 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 49.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 257 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 50.2s IncrementalHoareTripleChecker+Time [2023-12-24 16:01:24,222 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 257 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 125 Invalid, 10 Unknown, 0 Unchecked, 50.2s Time] [2023-12-24 16:01:24,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2023-12-24 16:01:24,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 73. [2023-12-24 16:01:24,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 63 states have (on average 1.3174603174603174) internal successors, (83), 63 states have internal predecessors, (83), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-12-24 16:01:24,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 99 transitions. [2023-12-24 16:01:24,230 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 99 transitions. Word has length 75 [2023-12-24 16:01:24,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 16:01:24,230 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 99 transitions. [2023-12-24 16:01:24,230 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 5 states have internal predecessors, (41), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-12-24 16:01:24,230 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 99 transitions. [2023-12-24 16:01:24,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-12-24 16:01:24,231 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 16:01:24,231 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:01:24,244 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 16:01:24,431 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 16:01:24,432 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-24 16:01:24,433 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 16:01:24,433 INFO L85 PathProgramCache]: Analyzing trace with hash -1492729448, now seen corresponding path program 1 times [2023-12-24 16:01:24,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 16:01:24,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2052034787] [2023-12-24 16:01:24,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 16:01:24,433 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 16:01:24,433 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 16:01:24,434 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 16:01:24,438 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 16:01:26,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 16:01:26,947 INFO L262 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 34 conjunts are in the unsatisfiable core [2023-12-24 16:01:26,953 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 16:01:34,678 INFO L224 Elim1Store]: Index analysis took 224 ms [2023-12-24 16:01:34,688 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2023-12-24 16:01:38,431 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-24 16:01:38,432 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 240 treesize of output 120 [2023-12-24 16:01:38,477 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-24 16:01:38,478 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 210 treesize of output 90 [2023-12-24 16:01:38,763 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-24 16:01:38,764 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 109 treesize of output 39 [2023-12-24 16:01:56,553 WARN L293 SmtUtils]: Spent 8.11s on a formula simplification that was a NOOP. DAG size: 22 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 16:02:02,170 WARN L293 SmtUtils]: Spent 5.62s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 16:02:07,774 WARN L293 SmtUtils]: Spent 5.60s on a formula simplification that was a NOOP. DAG size: 26 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 16:02:12,795 WARN L293 SmtUtils]: Spent 5.02s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 16:02:20,923 WARN L293 SmtUtils]: Spent 8.13s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 16:02:29,052 WARN L293 SmtUtils]: Spent 8.13s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 16:02:33,087 WARN L854 $PredicateComparison]: unable to prove that (exists ((v_arrayElimCell_10 (_ BitVec 32)) (v_arrayElimCell_12 (_ BitVec 32)) (v_arrayElimCell_11 (_ BitVec 32)) (v_arrayElimCell_9 (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_51| (_ BitVec 64))) (let ((.cse0 (let ((.cse7 (concat v_arrayElimCell_10 v_arrayElimCell_9))) (fp ((_ extract 63 63) .cse7) ((_ extract 62 52) .cse7) ((_ extract 51 0) .cse7)))) (.cse2 ((_ to_fp 11 53) roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 9223372036854765600.0))) (.cse1 (let ((.cse6 (concat v_arrayElimCell_11 v_arrayElimCell_12))) (fp ((_ extract 63 63) .cse6) ((_ extract 62 52) .cse6) ((_ extract 51 0) .cse6)))) (.cse5 ((_ to_fp 11 53) roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 100000000000000000000.0))))) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_51|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_51|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_51|)) (fp.sub roundNearestTiesToEven .cse0 .cse1)) (fp.leq .cse0 .cse2) (let ((.cse3 (let ((.cse4 (concat ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_51|) ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_51|)))) (fp ((_ extract 63 63) .cse4) ((_ extract 62 52) .cse4) ((_ extract 51 0) .cse4))))) (fp.eq (fp.add roundNearestTiesToEven .cse0 (fp.add roundNearestTiesToEven .cse1 .cse3)) .cse3)) (fp.geq .cse0 .cse5) (fp.leq .cse1 .cse2) (fp.geq .cse1 .cse5)))) is different from false [2023-12-24 16:02:37,110 WARN L876 $PredicateComparison]: unable to prove that (exists ((v_arrayElimCell_10 (_ BitVec 32)) (v_arrayElimCell_12 (_ BitVec 32)) (v_arrayElimCell_11 (_ BitVec 32)) (v_arrayElimCell_9 (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_51| (_ BitVec 64))) (let ((.cse0 (let ((.cse7 (concat v_arrayElimCell_10 v_arrayElimCell_9))) (fp ((_ extract 63 63) .cse7) ((_ extract 62 52) .cse7) ((_ extract 51 0) .cse7)))) (.cse2 ((_ to_fp 11 53) roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 9223372036854765600.0))) (.cse1 (let ((.cse6 (concat v_arrayElimCell_11 v_arrayElimCell_12))) (fp ((_ extract 63 63) .cse6) ((_ extract 62 52) .cse6) ((_ extract 51 0) .cse6)))) (.cse5 ((_ to_fp 11 53) roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 100000000000000000000.0))))) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_51|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_51|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_51|)) (fp.sub roundNearestTiesToEven .cse0 .cse1)) (fp.leq .cse0 .cse2) (let ((.cse3 (let ((.cse4 (concat ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_51|) ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_51|)))) (fp ((_ extract 63 63) .cse4) ((_ extract 62 52) .cse4) ((_ extract 51 0) .cse4))))) (fp.eq (fp.add roundNearestTiesToEven .cse0 (fp.add roundNearestTiesToEven .cse1 .cse3)) .cse3)) (fp.geq .cse0 .cse5) (fp.leq .cse1 .cse2) (fp.geq .cse1 .cse5)))) is different from true [2023-12-24 16:02:49,264 WARN L293 SmtUtils]: Spent 8.12s on a formula simplification that was a NOOP. DAG size: 22 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 16:02:56,238 WARN L293 SmtUtils]: Spent 6.97s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 16:03:02,198 WARN L293 SmtUtils]: Spent 5.96s on a formula simplification that was a NOOP. DAG size: 26 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 16:03:10,299 WARN L293 SmtUtils]: Spent 8.10s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 16:03:18,402 WARN L293 SmtUtils]: Spent 8.10s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 16:03:26,529 WARN L293 SmtUtils]: Spent 8.13s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 16:03:38,702 WARN L293 SmtUtils]: Spent 8.14s on a formula simplification that was a NOOP. DAG size: 22 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 16:03:50,670 WARN L293 SmtUtils]: Spent 7.58s on a formula simplification that was a NOOP. DAG size: 26 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 16:03:56,944 WARN L293 SmtUtils]: Spent 6.27s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 16:04:05,098 WARN L293 SmtUtils]: Spent 8.15s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 16:04:13,202 WARN L293 SmtUtils]: Spent 8.10s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 16:04:25,426 WARN L293 SmtUtils]: Spent 8.17s on a formula simplification that was a NOOP. DAG size: 22 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 16:04:33,182 WARN L293 SmtUtils]: Spent 7.76s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 16:04:41,305 WARN L293 SmtUtils]: Spent 8.12s on a formula simplification that was a NOOP. DAG size: 26 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 16:04:49,133 WARN L293 SmtUtils]: Spent 7.83s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 16:04:57,252 WARN L293 SmtUtils]: Spent 8.12s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 16:05:05,358 WARN L293 SmtUtils]: Spent 8.11s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 16:05:17,530 WARN L293 SmtUtils]: Spent 8.14s on a formula simplification that was a NOOP. DAG size: 22 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 16:05:23,643 WARN L293 SmtUtils]: Spent 6.11s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 16:05:29,006 WARN L293 SmtUtils]: Spent 5.36s on a formula simplification that was a NOOP. DAG size: 26 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 16:05:35,119 WARN L293 SmtUtils]: Spent 6.11s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 16:05:43,241 WARN L293 SmtUtils]: Spent 8.12s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 16:05:51,339 WARN L293 SmtUtils]: Spent 8.10s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 16:06:03,499 WARN L293 SmtUtils]: Spent 8.13s on a formula simplification that was a NOOP. DAG size: 22 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 16:06:11,121 WARN L293 SmtUtils]: Spent 7.62s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 16:06:17,787 WARN L293 SmtUtils]: Spent 6.66s on a formula simplification that was a NOOP. DAG size: 26 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 16:06:25,901 WARN L293 SmtUtils]: Spent 8.11s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 16:06:34,015 WARN L293 SmtUtils]: Spent 8.11s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 16:06:42,118 WARN L293 SmtUtils]: Spent 8.10s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 16:06:54,294 WARN L293 SmtUtils]: Spent 8.14s on a formula simplification that was a NOOP. DAG size: 22 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 16:07:00,198 WARN L293 SmtUtils]: Spent 5.90s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 16:07:07,176 WARN L293 SmtUtils]: Spent 6.98s on a formula simplification that was a NOOP. DAG size: 26 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 16:07:13,318 WARN L293 SmtUtils]: Spent 6.14s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 16:07:21,426 WARN L293 SmtUtils]: Spent 8.11s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 16:07:29,552 WARN L293 SmtUtils]: Spent 8.13s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 16:07:41,763 WARN L293 SmtUtils]: Spent 8.17s on a formula simplification that was a NOOP. DAG size: 22 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 16:07:49,875 WARN L293 SmtUtils]: Spent 8.11s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 16:07:55,734 WARN L293 SmtUtils]: Spent 5.86s on a formula simplification that was a NOOP. DAG size: 26 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 16:08:03,849 WARN L293 SmtUtils]: Spent 8.11s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 16:08:11,985 WARN L293 SmtUtils]: Spent 8.14s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 16:08:20,132 WARN L293 SmtUtils]: Spent 8.15s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 16:08:32,350 WARN L293 SmtUtils]: Spent 8.15s on a formula simplification that was a NOOP. DAG size: 22 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 16:08:38,175 WARN L293 SmtUtils]: Spent 5.82s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 16:08:46,292 WARN L293 SmtUtils]: Spent 8.12s on a formula simplification that was a NOOP. DAG size: 26 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 16:08:54,424 WARN L293 SmtUtils]: Spent 8.13s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 16:09:02,572 WARN L293 SmtUtils]: Spent 8.15s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 16:09:10,703 WARN L293 SmtUtils]: Spent 8.13s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 16:09:22,890 WARN L293 SmtUtils]: Spent 8.14s on a formula simplification that was a NOOP. DAG size: 22 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 16:09:28,158 WARN L293 SmtUtils]: Spent 5.27s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 16:09:36,279 WARN L293 SmtUtils]: Spent 8.12s on a formula simplification that was a NOOP. DAG size: 26 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 16:09:43,746 WARN L293 SmtUtils]: Spent 7.47s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 16:09:51,847 WARN L293 SmtUtils]: Spent 8.10s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 16:09:59,989 WARN L293 SmtUtils]: Spent 8.14s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 16:10:12,204 WARN L293 SmtUtils]: Spent 8.16s on a formula simplification that was a NOOP. DAG size: 22 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 16:10:17,954 WARN L293 SmtUtils]: Spent 5.75s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 16:10:23,886 WARN L293 SmtUtils]: Spent 5.93s on a formula simplification that was a NOOP. DAG size: 26 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 16:10:32,002 WARN L293 SmtUtils]: Spent 8.12s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 16:10:40,140 WARN L293 SmtUtils]: Spent 8.14s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 16:10:48,247 WARN L293 SmtUtils]: Spent 8.11s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 16:10:48,248 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 4 proven. 80 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-12-24 16:10:48,248 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-24 16:11:29,391 WARN L876 $PredicateComparison]: unable to prove that (not (let ((.cse4 (let ((.cse5 (let ((.cse6 (select |c_#memory_int#1| c_~var_1_1_Pointer~0.base))) (concat (select .cse6 (bvadd (_ bv4 32) c_~var_1_1_Pointer~0.offset)) (select .cse6 c_~var_1_1_Pointer~0.offset))))) (fp ((_ extract 63 63) .cse5) ((_ extract 62 52) .cse5) ((_ extract 51 0) .cse5))))) (fp.eq (fp.add c_currentRoundingMode (let ((.cse0 (let ((.cse1 (select |c_#memory_int#3| c_~var_1_3_Pointer~0.base))) (concat (select .cse1 (bvadd (_ bv4 32) c_~var_1_3_Pointer~0.offset)) (select .cse1 c_~var_1_3_Pointer~0.offset))))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0))) (fp.add c_currentRoundingMode (let ((.cse2 (let ((.cse3 (select |c_#memory_int#4| c_~var_1_4_Pointer~0.base))) (concat (select .cse3 (bvadd c_~var_1_4_Pointer~0.offset (_ bv4 32))) (select .cse3 c_~var_1_4_Pointer~0.offset))))) (fp ((_ extract 63 63) .cse2) ((_ extract 62 52) .cse2) ((_ extract 51 0) .cse2))) .cse4)) .cse4))) is different from true [2023-12-24 16:11:37,594 WARN L293 SmtUtils]: Spent 8.20s on a formula simplification that was a NOOP. DAG size: 34 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 16:11:43,388 WARN L293 SmtUtils]: Spent 5.79s on a formula simplification that was a NOOP. DAG size: 38 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 16:11:48,512 WARN L854 $PredicateComparison]: unable to prove that (forall ((|v_skolemized_q#valueAsBitvector_51| (_ BitVec 64))) (let ((.cse0 (let ((.cse6 (let ((.cse7 (select |c_#memory_int#3| c_~var_1_3_Pointer~0.base))) (concat (select .cse7 (bvadd (_ bv4 32) c_~var_1_3_Pointer~0.offset)) (select .cse7 c_~var_1_3_Pointer~0.offset))))) (fp ((_ extract 63 63) .cse6) ((_ extract 62 52) .cse6) ((_ extract 51 0) .cse6)))) (.cse1 (let ((.cse4 (let ((.cse5 (select |c_#memory_int#4| c_~var_1_4_Pointer~0.base))) (concat (select .cse5 (bvadd c_~var_1_4_Pointer~0.offset (_ bv4 32))) (select .cse5 c_~var_1_4_Pointer~0.offset))))) (fp ((_ extract 63 63) .cse4) ((_ extract 62 52) .cse4) ((_ extract 51 0) .cse4))))) (or (not (let ((.cse2 (let ((.cse3 (concat ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_51|) ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_51|)))) (fp ((_ extract 63 63) .cse3) ((_ extract 62 52) .cse3) ((_ extract 51 0) .cse3))))) (fp.eq (fp.add c_currentRoundingMode .cse0 (fp.add c_currentRoundingMode .cse1 .cse2)) .cse2))) (not (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_51|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_51|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_51|)) (fp.sub c_currentRoundingMode .cse0 .cse1)))))) is different from false [2023-12-24 16:11:52,602 WARN L876 $PredicateComparison]: unable to prove that (forall ((|v_skolemized_q#valueAsBitvector_51| (_ BitVec 64))) (let ((.cse0 (let ((.cse6 (let ((.cse7 (select |c_#memory_int#3| c_~var_1_3_Pointer~0.base))) (concat (select .cse7 (bvadd (_ bv4 32) c_~var_1_3_Pointer~0.offset)) (select .cse7 c_~var_1_3_Pointer~0.offset))))) (fp ((_ extract 63 63) .cse6) ((_ extract 62 52) .cse6) ((_ extract 51 0) .cse6)))) (.cse1 (let ((.cse4 (let ((.cse5 (select |c_#memory_int#4| c_~var_1_4_Pointer~0.base))) (concat (select .cse5 (bvadd c_~var_1_4_Pointer~0.offset (_ bv4 32))) (select .cse5 c_~var_1_4_Pointer~0.offset))))) (fp ((_ extract 63 63) .cse4) ((_ extract 62 52) .cse4) ((_ extract 51 0) .cse4))))) (or (not (let ((.cse2 (let ((.cse3 (concat ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_51|) ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_51|)))) (fp ((_ extract 63 63) .cse3) ((_ extract 62 52) .cse3) ((_ extract 51 0) .cse3))))) (fp.eq (fp.add c_currentRoundingMode .cse0 (fp.add c_currentRoundingMode .cse1 .cse2)) .cse2))) (not (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_51|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_51|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_51|)) (fp.sub c_currentRoundingMode .cse0 .cse1)))))) is different from true [2023-12-24 16:11:59,057 WARN L293 SmtUtils]: Spent 6.45s on a formula simplification that was a NOOP. DAG size: 34 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 16:12:06,567 WARN L293 SmtUtils]: Spent 7.51s on a formula simplification that was a NOOP. DAG size: 38 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 16:12:14,747 WARN L293 SmtUtils]: Spent 8.18s on a formula simplification that was a NOOP. DAG size: 34 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 16:12:23,064 WARN L293 SmtUtils]: Spent 5.54s on a formula simplification that was a NOOP. DAG size: 34 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 16:12:33,759 WARN L293 SmtUtils]: Spent 6.40s on a formula simplification that was a NOOP. DAG size: 34 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 16:12:41,088 WARN L293 SmtUtils]: Spent 7.33s on a formula simplification that was a NOOP. DAG size: 38 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 16:12:50,141 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 16:12:50,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2052034787] [2023-12-24 16:12:50,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2052034787] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-24 16:12:50,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [310208622] [2023-12-24 16:12:50,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 16:12:50,142 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-24 16:12:50,142 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2023-12-24 16:12:50,177 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-24 16:12:50,180 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-24 16:12:56,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 16:12:56,211 INFO L262 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 53 conjunts are in the unsatisfiable core [2023-12-24 16:12:56,216 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 16:13:10,187 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 Received shutdown request... [2023-12-24 16:13:16,754 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (8)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-24 16:13:16,761 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 (7)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-24 16:13:16,761 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 16:13:16,945 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-24 16:13:16,960 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 16:13:17,158 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2023-12-24 16:13:17,346 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=3,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2023-12-24 16:13:17,346 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 78 with TraceHistMax 8,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-12-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-11-1 context. [2023-12-24 16:13:17,350 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-12-24 16:13:17,351 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-24 16:13:17,352 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.12 04:13:17 BoogieIcfgContainer [2023-12-24 16:13:17,352 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-24 16:13:17,353 INFO L158 Benchmark]: Toolchain (without parser) took 887258.11ms. Allocated memory is still 273.7MB. Free memory was 219.9MB in the beginning and 174.7MB in the end (delta: 45.2MB). Peak memory consumption was 46.2MB. Max. memory is 8.0GB. [2023-12-24 16:13:17,353 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 227.5MB. Free memory is still 178.8MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-24 16:13:17,353 INFO L158 Benchmark]: CACSL2BoogieTranslator took 229.78ms. Allocated memory is still 273.7MB. Free memory was 219.6MB in the beginning and 205.5MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2023-12-24 16:13:17,353 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.30ms. Allocated memory is still 273.7MB. Free memory was 205.5MB in the beginning and 202.7MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-24 16:13:17,354 INFO L158 Benchmark]: Boogie Preprocessor took 61.62ms. Allocated memory is still 273.7MB. Free memory was 202.7MB in the beginning and 197.1MB in the end (delta: 5.5MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2023-12-24 16:13:17,354 INFO L158 Benchmark]: RCFGBuilder took 19976.35ms. Allocated memory is still 273.7MB. Free memory was 197.1MB in the beginning and 201.8MB in the end (delta: -4.6MB). Peak memory consumption was 14.6MB. Max. memory is 8.0GB. [2023-12-24 16:13:17,354 INFO L158 Benchmark]: TraceAbstraction took 866946.11ms. Allocated memory is still 273.7MB. Free memory was 201.2MB in the beginning and 174.7MB in the end (delta: 26.5MB). Peak memory consumption was 26.4MB. Max. memory is 8.0GB. [2023-12-24 16:13:17,355 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 227.5MB. Free memory is still 178.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 229.78ms. Allocated memory is still 273.7MB. Free memory was 219.6MB in the beginning and 205.5MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 40.30ms. Allocated memory is still 273.7MB. Free memory was 205.5MB in the beginning and 202.7MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 61.62ms. Allocated memory is still 273.7MB. Free memory was 202.7MB in the beginning and 197.1MB in the end (delta: 5.5MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * RCFGBuilder took 19976.35ms. Allocated memory is still 273.7MB. Free memory was 197.1MB in the beginning and 201.8MB in the end (delta: -4.6MB). Peak memory consumption was 14.6MB. Max. memory is 8.0GB. * TraceAbstraction took 866946.11ms. Allocated memory is still 273.7MB. Free memory was 201.2MB in the beginning and 174.7MB in the end (delta: 26.5MB). Peak memory consumption was 26.4MB. 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 78 with TraceHistMax 8,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-12-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-11-1 context. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 78 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 866.9s, OverallIterations: 6, TraceHistogramMax: 8, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 148.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 26 mSolverCounterUnknown, 334 SdHoareTripleChecker+Valid, 147.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 327 mSDsluCounter, 1312 SdHoareTripleChecker+Invalid, 146.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 904 mSDsCounter, 20 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 583 IncrementalHoareTripleChecker+Invalid, 629 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 20 mSolverCounterUnsat, 408 mSDtfsCounter, 583 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 458 GetRequests, 419 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=78occurred in iteration=0, InterpolantAutomatonStates: 38, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 18 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 369 NumberOfCodeBlocks, 369 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 438 ConstructedInterpolants, 0 QuantifiedInterpolants, 1232 SizeOfPredicates, 26 NumberOfNonLiveVariables, 1126 ConjunctsInSsa, 30 ConjunctsInUnsatCore, 6 InterpolantComputations, 4 PerfectInterpolantSequences, 649/672 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