/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_Default.epf --cacsl2boogietranslator.use.bitabs.translation false -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-46.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 04:25:33,252 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 04:25:33,312 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-16 04:25:33,315 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 04:25:33,315 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 04:25:33,345 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 04:25:33,346 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 04:25:33,347 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 04:25:33,347 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 04:25:33,350 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 04:25:33,350 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 04:25:33,350 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 04:25:33,351 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 04:25:33,352 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 04:25:33,352 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 04:25:33,352 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 04:25:33,352 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 04:25:33,352 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-16 04:25:33,352 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-16 04:25:33,353 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-16 04:25:33,353 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 04:25:33,354 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 04:25:33,354 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 04:25:33,354 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 04:25:33,354 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 04:25:33,354 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-16 04:25:33,354 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 04:25:33,354 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 04:25:33,355 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 04:25:33,355 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 04:25:33,356 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 04:25:33,356 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 04:25:33,356 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 04:25:33,356 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 04:25:33,356 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 04:25:33,356 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 04:25:33,356 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-16 04:25:33,356 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-16 04:25:33,356 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 04:25:33,357 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 04:25:33,357 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 04:25:33,357 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 04:25:33,357 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 04:25:33,357 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> false [2023-12-16 04:25:33,530 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 04:25:33,545 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 04:25:33,547 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 04:25:33,547 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 04:25:33,548 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 04:25:33,549 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-46.i [2023-12-16 04:25:34,469 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 04:25:34,620 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 04:25:34,620 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-46.i [2023-12-16 04:25:34,627 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e96bb22f7/52321fb0556045c0a9db78efcd36443c/FLAGc3bae7ce3 [2023-12-16 04:25:34,638 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e96bb22f7/52321fb0556045c0a9db78efcd36443c [2023-12-16 04:25:34,640 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 04:25:34,642 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 04:25:34,644 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 04:25:34,644 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 04:25:34,647 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 04:25:34,648 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 04:25:34" (1/1) ... [2023-12-16 04:25:34,648 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e6d322e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:25:34, skipping insertion in model container [2023-12-16 04:25:34,648 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 04:25:34" (1/1) ... [2023-12-16 04:25:34,675 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 04:25:34,777 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-46.i[916,929] [2023-12-16 04:25:34,810 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 04:25:34,818 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 04:25:34,826 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-46.i[916,929] [2023-12-16 04:25:34,842 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 04:25:34,853 INFO L206 MainTranslator]: Completed translation [2023-12-16 04:25:34,854 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:25:34 WrapperNode [2023-12-16 04:25:34,854 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 04:25:34,855 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 04:25:34,855 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 04:25:34,855 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 04:25:34,859 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:25:34" (1/1) ... [2023-12-16 04:25:34,867 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:25:34" (1/1) ... [2023-12-16 04:25:34,894 INFO L138 Inliner]: procedures = 29, calls = 137, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 415 [2023-12-16 04:25:34,895 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 04:25:34,895 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 04:25:34,896 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 04:25:34,896 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 04:25:34,903 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:25:34" (1/1) ... [2023-12-16 04:25:34,903 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:25:34" (1/1) ... [2023-12-16 04:25:34,906 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:25:34" (1/1) ... [2023-12-16 04:25:34,947 INFO L175 MemorySlicer]: Split 101 memory accesses to 12 slices as follows [2, 12, 8, 17, 8, 8, 3, 6, 6, 8, 17, 6]. 17 percent of accesses are in the largest equivalence class. The 13 initializations are split as follows [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]. The 16 writes are split as follows [0, 5, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1]. [2023-12-16 04:25:34,947 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:25:34" (1/1) ... [2023-12-16 04:25:34,948 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:25:34" (1/1) ... [2023-12-16 04:25:34,958 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:25:34" (1/1) ... [2023-12-16 04:25:34,970 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:25:34" (1/1) ... [2023-12-16 04:25:34,973 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:25:34" (1/1) ... [2023-12-16 04:25:34,975 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:25:34" (1/1) ... [2023-12-16 04:25:34,978 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 04:25:34,979 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 04:25:34,979 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 04:25:34,979 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 04:25:34,980 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:25:34" (1/1) ... [2023-12-16 04:25:35,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 04:25:35,010 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 04:25:35,024 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) [2023-12-16 04:25:35,036 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 [2023-12-16 04:25:35,048 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 04:25:35,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2023-12-16 04:25:35,049 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2023-12-16 04:25:35,049 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2023-12-16 04:25:35,049 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2023-12-16 04:25:35,049 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2023-12-16 04:25:35,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2023-12-16 04:25:35,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2023-12-16 04:25:35,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2023-12-16 04:25:35,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#8 [2023-12-16 04:25:35,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#9 [2023-12-16 04:25:35,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#10 [2023-12-16 04:25:35,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#11 [2023-12-16 04:25:35,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-12-16 04:25:35,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-12-16 04:25:35,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-12-16 04:25:35,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-12-16 04:25:35,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-12-16 04:25:35,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-12-16 04:25:35,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2023-12-16 04:25:35,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2023-12-16 04:25:35,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2023-12-16 04:25:35,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2023-12-16 04:25:35,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2023-12-16 04:25:35,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2023-12-16 04:25:35,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2023-12-16 04:25:35,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2023-12-16 04:25:35,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2023-12-16 04:25:35,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2023-12-16 04:25:35,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2023-12-16 04:25:35,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2023-12-16 04:25:35,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2023-12-16 04:25:35,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#7 [2023-12-16 04:25:35,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#8 [2023-12-16 04:25:35,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#9 [2023-12-16 04:25:35,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#10 [2023-12-16 04:25:35,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#11 [2023-12-16 04:25:35,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-12-16 04:25:35,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-12-16 04:25:35,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-12-16 04:25:35,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-12-16 04:25:35,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-12-16 04:25:35,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-12-16 04:25:35,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2023-12-16 04:25:35,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2023-12-16 04:25:35,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2023-12-16 04:25:35,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2023-12-16 04:25:35,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2023-12-16 04:25:35,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2023-12-16 04:25:35,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2023-12-16 04:25:35,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2023-12-16 04:25:35,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2023-12-16 04:25:35,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2023-12-16 04:25:35,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2023-12-16 04:25:35,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2023-12-16 04:25:35,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#6 [2023-12-16 04:25:35,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#7 [2023-12-16 04:25:35,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#8 [2023-12-16 04:25:35,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#9 [2023-12-16 04:25:35,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#10 [2023-12-16 04:25:35,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#11 [2023-12-16 04:25:35,057 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-16 04:25:35,057 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-16 04:25:35,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-16 04:25:35,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-12-16 04:25:35,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-12-16 04:25:35,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-12-16 04:25:35,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-12-16 04:25:35,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-12-16 04:25:35,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2023-12-16 04:25:35,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2023-12-16 04:25:35,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2023-12-16 04:25:35,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2023-12-16 04:25:35,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2023-12-16 04:25:35,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2023-12-16 04:25:35,059 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 04:25:35,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 04:25:35,217 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 04:25:35,219 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 04:25:35,561 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 04:25:35,609 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 04:25:35,609 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-16 04:25:35,609 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 04:25:35 BoogieIcfgContainer [2023-12-16 04:25:35,610 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 04:25:35,611 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 04:25:35,611 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 04:25:35,613 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 04:25:35,613 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 04:25:34" (1/3) ... [2023-12-16 04:25:35,614 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6527b8c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 04:25:35, skipping insertion in model container [2023-12-16 04:25:35,614 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:25:34" (2/3) ... [2023-12-16 04:25:35,614 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6527b8c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 04:25:35, skipping insertion in model container [2023-12-16 04:25:35,614 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 04:25:35" (3/3) ... [2023-12-16 04:25:35,615 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-46.i [2023-12-16 04:25:35,625 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 04:25:35,625 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 04:25:35,654 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 04:25:35,658 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;@75cb8afa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 04:25:35,658 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 04:25:35,673 INFO L276 IsEmpty]: Start isEmpty. Operand has 86 states, 69 states have (on average 1.4492753623188406) internal successors, (100), 70 states have internal predecessors, (100), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-12-16 04:25:35,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-12-16 04:25:35,682 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 04:25:35,682 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 04:25:35,682 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 04:25:35,686 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 04:25:35,686 INFO L85 PathProgramCache]: Analyzing trace with hash 1897482861, now seen corresponding path program 1 times [2023-12-16 04:25:35,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 04:25:35,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574369176] [2023-12-16 04:25:35,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 04:25:35,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 04:25:35,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:25:35,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 04:25:35,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574369176] [2023-12-16 04:25:35,928 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-12-16 04:25:35,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1723516861] [2023-12-16 04:25:35,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 04:25:35,928 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 04:25:35,929 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 04:25:35,931 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-16 04:25:35,963 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-16 04:25:36,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:25:36,187 INFO L262 TraceCheckSpWp]: Trace formula consists of 492 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-16 04:25:36,199 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 04:25:36,228 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2023-12-16 04:25:36,228 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 04:25:36,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1723516861] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 04:25:36,229 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 04:25:36,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 04:25:36,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569889190] [2023-12-16 04:25:36,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 04:25:36,234 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-16 04:25:36,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 04:25:36,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-16 04:25:36,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-16 04:25:36,262 INFO L87 Difference]: Start difference. First operand has 86 states, 69 states have (on average 1.4492753623188406) internal successors, (100), 70 states have internal predecessors, (100), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2023-12-16 04:25:36,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 04:25:36,318 INFO L93 Difference]: Finished difference Result 169 states and 268 transitions. [2023-12-16 04:25:36,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-16 04:25:36,320 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) Word has length 109 [2023-12-16 04:25:36,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 04:25:36,327 INFO L225 Difference]: With dead ends: 169 [2023-12-16 04:25:36,327 INFO L226 Difference]: Without dead ends: 84 [2023-12-16 04:25:36,331 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-16 04:25:36,336 INFO L413 NwaCegarLoop]: 119 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, 119 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 [2023-12-16 04:25:36,337 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 119 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 04:25:36,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2023-12-16 04:25:36,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2023-12-16 04:25:36,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 68 states have (on average 1.3970588235294117) internal successors, (95), 68 states have internal predecessors, (95), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-12-16 04:25:36,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 123 transitions. [2023-12-16 04:25:36,385 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 123 transitions. Word has length 109 [2023-12-16 04:25:36,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 04:25:36,385 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 123 transitions. [2023-12-16 04:25:36,385 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2023-12-16 04:25:36,386 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 123 transitions. [2023-12-16 04:25:36,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-12-16 04:25:36,389 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 04:25:36,389 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 04:25:36,397 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-12-16 04:25:36,592 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-12-16 04:25:36,593 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 04:25:36,593 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 04:25:36,593 INFO L85 PathProgramCache]: Analyzing trace with hash 1915345745, now seen corresponding path program 1 times [2023-12-16 04:25:36,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 04:25:36,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272282330] [2023-12-16 04:25:36,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 04:25:36,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 04:25:36,666 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-16 04:25:36,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1712035909] [2023-12-16 04:25:36,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 04:25:36,666 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 04:25:36,666 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 04:25:36,673 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-16 04:25:36,678 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-16 04:25:36,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:25:36,878 INFO L262 TraceCheckSpWp]: Trace formula consists of 492 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-16 04:25:36,892 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 04:25:37,484 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2023-12-16 04:25:37,510 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2023-12-16 04:25:37,518 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-12-16 04:25:37,518 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 04:25:37,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 04:25:37,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [272282330] [2023-12-16 04:25:37,518 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-16 04:25:37,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1712035909] [2023-12-16 04:25:37,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1712035909] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 04:25:37,519 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 04:25:37,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-16 04:25:37,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926482640] [2023-12-16 04:25:37,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 04:25:37,520 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-16 04:25:37,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 04:25:37,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-16 04:25:37,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-16 04:25:37,521 INFO L87 Difference]: Start difference. First operand 84 states and 123 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-12-16 04:25:37,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 04:25:37,681 INFO L93 Difference]: Finished difference Result 303 states and 443 transitions. [2023-12-16 04:25:37,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-16 04:25:37,682 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 109 [2023-12-16 04:25:37,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 04:25:37,683 INFO L225 Difference]: With dead ends: 303 [2023-12-16 04:25:37,683 INFO L226 Difference]: Without dead ends: 220 [2023-12-16 04:25:37,684 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2023-12-16 04:25:37,685 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 201 mSDsluCounter, 430 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 201 SdHoareTripleChecker+Valid, 545 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 04:25:37,685 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [201 Valid, 545 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 04:25:37,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2023-12-16 04:25:37,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 215. [2023-12-16 04:25:37,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 182 states have (on average 1.4230769230769231) internal successors, (259), 183 states have internal predecessors, (259), 29 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (29), 28 states have call predecessors, (29), 29 states have call successors, (29) [2023-12-16 04:25:37,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 317 transitions. [2023-12-16 04:25:37,700 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 317 transitions. Word has length 109 [2023-12-16 04:25:37,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 04:25:37,701 INFO L495 AbstractCegarLoop]: Abstraction has 215 states and 317 transitions. [2023-12-16 04:25:37,701 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-12-16 04:25:37,701 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 317 transitions. [2023-12-16 04:25:37,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-12-16 04:25:37,703 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 04:25:37,703 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 04:25:37,711 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-12-16 04:25:37,908 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2023-12-16 04:25:37,909 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 04:25:37,909 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 04:25:37,909 INFO L85 PathProgramCache]: Analyzing trace with hash -2121456113, now seen corresponding path program 1 times [2023-12-16 04:25:37,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 04:25:37,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [871540798] [2023-12-16 04:25:37,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 04:25:37,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 04:25:37,948 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-16 04:25:37,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [378360785] [2023-12-16 04:25:37,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 04:25:37,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 04:25:37,949 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 04:25:37,950 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-16 04:25:37,952 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-16 04:25:38,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:25:38,159 INFO L262 TraceCheckSpWp]: Trace formula consists of 483 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-16 04:25:38,162 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 04:25:38,185 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 11 treesize of output 7 [2023-12-16 04:25:38,214 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 12 proven. 27 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2023-12-16 04:25:38,214 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-16 04:25:38,285 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-12-16 04:25:38,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 04:25:38,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [871540798] [2023-12-16 04:25:38,286 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-16 04:25:38,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [378360785] [2023-12-16 04:25:38,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [378360785] provided 1 perfect and 1 imperfect interpolant sequences [2023-12-16 04:25:38,287 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-16 04:25:38,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 9 [2023-12-16 04:25:38,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936645535] [2023-12-16 04:25:38,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 04:25:38,288 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 04:25:38,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 04:25:38,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 04:25:38,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2023-12-16 04:25:38,290 INFO L87 Difference]: Start difference. First operand 215 states and 317 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-12-16 04:25:38,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 04:25:38,380 INFO L93 Difference]: Finished difference Result 688 states and 1015 transitions. [2023-12-16 04:25:38,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-16 04:25:38,381 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 109 [2023-12-16 04:25:38,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 04:25:38,386 INFO L225 Difference]: With dead ends: 688 [2023-12-16 04:25:38,386 INFO L226 Difference]: Without dead ends: 474 [2023-12-16 04:25:38,389 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2023-12-16 04:25:38,393 INFO L413 NwaCegarLoop]: 127 mSDtfsCounter, 158 mSDsluCounter, 358 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 485 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 04:25:38,396 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 485 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 04:25:38,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 474 states. [2023-12-16 04:25:38,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 474 to 239. [2023-12-16 04:25:38,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 239 states, 206 states have (on average 1.412621359223301) internal successors, (291), 207 states have internal predecessors, (291), 29 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (29), 28 states have call predecessors, (29), 29 states have call successors, (29) [2023-12-16 04:25:38,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 349 transitions. [2023-12-16 04:25:38,420 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 349 transitions. Word has length 109 [2023-12-16 04:25:38,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 04:25:38,420 INFO L495 AbstractCegarLoop]: Abstraction has 239 states and 349 transitions. [2023-12-16 04:25:38,420 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-12-16 04:25:38,420 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 349 transitions. [2023-12-16 04:25:38,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-12-16 04:25:38,421 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 04:25:38,421 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 04:25:38,430 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-12-16 04:25:38,627 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 04:25:38,628 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 04:25:38,628 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 04:25:38,628 INFO L85 PathProgramCache]: Analyzing trace with hash -141480636, now seen corresponding path program 1 times [2023-12-16 04:25:38,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 04:25:38,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664563239] [2023-12-16 04:25:38,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 04:25:38,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 04:25:38,659 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-16 04:25:38,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1318829781] [2023-12-16 04:25:38,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 04:25:38,659 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 04:25:38,660 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 04:25:38,672 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-16 04:25:38,675 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-16 04:25:38,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:25:38,846 INFO L262 TraceCheckSpWp]: Trace formula consists of 490 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-16 04:25:38,853 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 04:25:39,254 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 149 treesize of output 105 [2023-12-16 04:25:51,462 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 21 [2023-12-16 04:25:51,514 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-12-16 04:25:51,514 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 04:25:51,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 04:25:51,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664563239] [2023-12-16 04:25:51,514 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-16 04:25:51,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1318829781] [2023-12-16 04:25:51,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1318829781] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 04:25:51,515 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 04:25:51,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-16 04:25:51,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113242305] [2023-12-16 04:25:51,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 04:25:51,515 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 04:25:51,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 04:25:51,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 04:25:51,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=25, Unknown=3, NotChecked=0, Total=42 [2023-12-16 04:25:51,516 INFO L87 Difference]: Start difference. First operand 239 states and 349 transitions. Second operand has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 6 states have internal predecessors, (44), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-12-16 04:25:55,534 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-12-16 04:25:59,561 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-12-16 04:26:03,624 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-12-16 04:26:07,668 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-12-16 04:26:11,710 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-12-16 04:26:15,757 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-12-16 04:26:19,806 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-12-16 04:26:23,858 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-12-16 04:26:27,905 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-12-16 04:26:31,957 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-12-16 04:26:35,994 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-12-16 04:26:40,040 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-12-16 04:26:44,094 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-12-16 04:26:48,158 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-12-16 04:26:52,226 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] Received shutdown request... [2023-12-16 04:26:55,246 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-16 04:26:55,246 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 [2023-12-16 04:26:56,256 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-12-16 04:26:56,275 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-12-16 04:26:56,277 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 12.2s TimeCoverageRelationStatistics Valid=14, Invalid=25, Unknown=3, NotChecked=0, Total=42 [2023-12-16 04:26:56,277 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 5 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 16 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 64.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 16 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 64.7s IncrementalHoareTripleChecker+Time [2023-12-16 04:26:56,277 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 60 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 16 Unknown, 0 Unchecked, 64.7s Time] [2023-12-16 04:26:56,278 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 04:26:56,279 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-16 04:26:56,279 WARN L619 AbstractCegarLoop]: Verification canceled: while executing Executor. [2023-12-16 04:26:56,282 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-12-16 04:26:56,297 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 04:26:56,299 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 04:26:56 BoogieIcfgContainer [2023-12-16 04:26:56,299 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 04:26:56,300 INFO L158 Benchmark]: Toolchain (without parser) took 81658.14ms. Allocated memory was 183.5MB in the beginning and 257.9MB in the end (delta: 74.4MB). Free memory was 135.9MB in the beginning and 160.6MB in the end (delta: -24.7MB). Peak memory consumption was 50.8MB. Max. memory is 8.0GB. [2023-12-16 04:26:56,300 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 183.5MB. Free memory is still 136.5MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 04:26:56,300 INFO L158 Benchmark]: CACSL2BoogieTranslator took 210.10ms. Allocated memory is still 183.5MB. Free memory was 135.9MB in the beginning and 121.8MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2023-12-16 04:26:56,300 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.28ms. Allocated memory is still 183.5MB. Free memory was 121.8MB in the beginning and 118.8MB in the end (delta: 3.0MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-12-16 04:26:56,300 INFO L158 Benchmark]: Boogie Preprocessor took 83.04ms. Allocated memory is still 183.5MB. Free memory was 118.5MB in the beginning and 114.0MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-12-16 04:26:56,301 INFO L158 Benchmark]: RCFGBuilder took 630.28ms. Allocated memory is still 183.5MB. Free memory was 114.0MB in the beginning and 133.6MB in the end (delta: -19.7MB). Peak memory consumption was 23.3MB. Max. memory is 8.0GB. [2023-12-16 04:26:56,301 INFO L158 Benchmark]: TraceAbstraction took 80688.42ms. Allocated memory was 183.5MB in the beginning and 257.9MB in the end (delta: 74.4MB). Free memory was 133.1MB in the beginning and 160.6MB in the end (delta: -27.5MB). Peak memory consumption was 46.4MB. Max. memory is 8.0GB. [2023-12-16 04:26:56,302 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 183.5MB. Free memory is still 136.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 210.10ms. Allocated memory is still 183.5MB. Free memory was 135.9MB in the beginning and 121.8MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 40.28ms. Allocated memory is still 183.5MB. Free memory was 121.8MB in the beginning and 118.8MB in the end (delta: 3.0MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 83.04ms. Allocated memory is still 183.5MB. Free memory was 118.5MB in the beginning and 114.0MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 630.28ms. Allocated memory is still 183.5MB. Free memory was 114.0MB in the beginning and 133.6MB in the end (delta: -19.7MB). Peak memory consumption was 23.3MB. Max. memory is 8.0GB. * TraceAbstraction took 80688.42ms. Allocated memory was 183.5MB in the beginning and 257.9MB in the end (delta: 74.4MB). Free memory was 133.1MB in the beginning and 160.6MB in the end (delta: -27.5MB). Peak memory consumption was 46.4MB. 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 executing Executor. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 86 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 80.6s, OverallIterations: 4, TraceHistogramMax: 14, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 65.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 16 mSolverCounterUnknown, 364 SdHoareTripleChecker+Valid, 64.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 364 mSDsluCounter, 1209 SdHoareTripleChecker+Invalid, 64.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 829 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 218 IncrementalHoareTripleChecker+Invalid, 240 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 380 mSDtfsCounter, 218 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 549 GetRequests, 526 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 12.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=239occurred in iteration=3, InterpolantAutomatonStates: 16, 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, 3 MinimizatonAttempts, 240 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 13.6s InterpolantComputationTime, 547 NumberOfCodeBlocks, 547 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 542 ConstructedInterpolants, 2 QuantifiedInterpolants, 3510 SizeOfPredicates, 29 NumberOfNonLiveVariables, 1957 ConjunctsInSsa, 48 ConjunctsInUnsatCore, 5 InterpolantComputations, 4 PerfectInterpolantSequences, 1793/1820 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